Product Description

HangZhou Haozheng Hydraulic Machinery Equipment Co., Ltd.

HangZhou Haozheng Hydraulic Machinery Equipment Co., Ltd. is a manufacturer that started researching, developing, manufacturing and selling hydraulic pumps earlier in China. The main hydraulic products include A10VSO\PVH\PAVC\A11VO\A4VSO\PV\PVXS and other series of plunger pumps and hydraulic spare parts, which are exported to Canada, the United States, Mexico, Brazil, Norway, Italy, France, the United Kingdom, Russia, South Africa, Kenya, Saudi Arabia and others. It is widely used in steel mills, power plants, engineering machinery, mining machinery, industrial equipment, metallurgical machinery, injection molding, oil drilling, ports and ships and other fields.
product-group/nMBGJqeDbgVC/Parker-Piston-Pump-catalog-1.html

product-group/ZeNaotCEAgVi/Rexroth-Piston-Pump-catalog-1.html

product-group/jeJAcxmvuIfG/Vikcers-Piston-Pump-catalog-1.html

product-group/BqFfjLEznPVk/Hydraulic-pump-parts-catalog-1.html

Product Description

 

Series	Mode	Control	displacement cm³/rev	Flow L/min	Bar	Rpm	Power/kw	Cm	Kg
HZA10VSO/31R	a10vso18	DR/DFR/DFR1/DFLR/DRS/DRG/ED72/ED71	18	27-59.4	280-350bar	3300-3900	12.6-27.7	26x20x22	12
	a10vso28		28	42-84		3000-3600	20-39	29x23x26	15
	a10vso45/31r		45	68-117		2600-3100	32-55	32x24x27	21
	a10vso71/31r		71	107-15		2200-2600	50-73	37x27x30	33
	a10vso100/31r		100	150-200		2000-2400	93-70	47x26x31	45
	a10vso140/31r		140	210-252		1800-2100	118-98	47x28x37	60
HZA101VSO/32R	a10vso45/32r		45	67.5-81	280-350bar	1800	31-38		30
	a10vso71/32r		71	106.7-128		1800	50-59.7	42x27x29	47
	a10vso100/32r		100	150-180		1800	70-84	47x27x32	69
	a10vso140/32r		140	210-252		1800	98-118	51x29x37	73
	a10vso180/32r		180	270-324		1800	125-151		78

Our Products

 

We provide various models of axial variable displacement piston pumps and accessories, including the CHINAMFG brand’s A11VO, A10VSO, A11VO, the Vikers brand’s PVH, PVXS, PVB, PVM, and the CHINAMFG brand’s PAVC, PVP, PV. We also offer the Cate tractor modified version PVH 6E-3136 series. Therefore, hydraulic pumps can be customized according to displacement, control method, flange port, etc.

 

 

 

Company Profile

 

 

 

FAQ

1.What’s the application for pump?

Construction equipment Steel factory or Power plant Industrial equipment Related hydraulic system

2.What about the MOQ?

MOQ:1pcs.

3.Are you manufacturer?  And what’s the delivery time?

Yes, we are manufacturer and have our own factory. Generally, its in stock for common models, 1-3 days will be finished and sent to customer in time.

4.Which payment methods are accepted?

We usually accept T/T,L/C,Western union,Trade assurance,VISA Card.

5.How about the inspection and Guarantee of products?

We promise: all products are tested before ship, to confirm it will be working and  in good conditions when customers get. Also, we offer 12-month guarantee, if it doesn’t work due to quality issue in the period, we will send spares to repair for free. Accordingly, the pump will work last at least 18 months.

6 What about your after-sale service?

If there is any question in use, please talk with your sales manager at any time, so we will know your problems are and help to solve.

We can provide ODM and OEM service

Production capacity:

Product Line Name	Production Line Capacity	Actual Units Produced(Previous Year)
A10VSO Series Piston Pump,HG Series Gear Pump,PAVC Series Piston Pump,PV Series Piston Pump,PVH Series Piston Pump	2

Export Market Distribution:

Market		Total Revenue (%)
North America		6
South America		4
Eastern Europe		8
Southeast Asia		2
Africa		3
Oceania		2
Mid East		2
Eastern Asia		1
Western Europe		3
Central America		2
Northern Europe		2
Southern Europe		3
South Asia		2
Domestic Market		60

Production Machinery:

Machine Name	Brand & Model No.	Quantity	Number of Year(s) Used	Condition
CNC Machining Center	Confidential	8	2	acceptable
CNC Lathe	Confidential	4	2	acceptable
Surface Grinder	Confidential	1	2	acceptable
Cylindrical Grinder	Confidential	1	2	acceptable
Hydraulic Gear Drawing Machine	Confidential	1	2	acceptable
Horizontal Honing Machine	Confidential	1	2	acceptable
Ordinary Lathe	Confidential	1	2	acceptable
Pressure Washer	Confidential	1	2	acceptable
Milling Machine	Confidential	1	2	acceptable

Testing Machinery:

Machine Name	Brand & Model No.	Quantity	Number of Year(s) Used	Condition
Hydraulic Test Bench	Confidential	1	1	acceptable

/* January 22, 2571 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1

Are there specialized hydraulic couplings for high-pressure or high-flow applications?

Yes, there are specialized hydraulic couplings designed to meet the demands of high-pressure and high-flow applications. These specialized couplings are engineered to handle the increased loads, pressures, and flow rates typically encountered in industrial settings where heavy-duty equipment and machinery are used. Here are some types of hydraulic couplings commonly used in such applications:

• High-Pressure Hydraulic Couplings: High-pressure hydraulic couplings are constructed with robust materials and advanced sealing technologies to withstand extreme pressure levels. They are commonly used in hydraulic systems that operate at pressures exceeding standard hydraulic system limits. These couplings ensure reliable power transmission and prevent leakage or failure under high-pressure conditions.
• Quick-Disconnect Couplings: Quick-disconnect couplings, also known as quick-release or quick-connect couplings, are designed for rapid and efficient connection and disconnection of hydraulic lines. They are prevalent in high-flow applications where frequent connections and disconnections are necessary, such as in construction equipment, agricultural machinery, and manufacturing processes.
• Multi-Couplings: Multi-couplings allow the simultaneous connection of multiple hydraulic lines with a single motion. These couplings are suitable for applications with complex hydraulic circuits, such as material handling systems and mobile hydraulics. They simplify the connection process and minimize downtime during equipment setup or maintenance.
• High-Flow Hydraulic Couplings: High-flow hydraulic couplings are designed to accommodate large volumetric flow rates in hydraulic systems. They feature larger passageways and flow channels to reduce pressure drop and ensure efficient fluid transfer in applications like heavy machinery, material handling, and large-scale industrial processes.
• Flush Face Couplings: Flush face couplings provide a leak-free connection when connected or disconnected. They are suitable for high-pressure applications where minimizing fluid loss during connection and disconnection is critical for safety and environmental reasons.
• Flat Face Couplings: Flat face couplings are ideal for high-pressure applications where cleanliness and contamination control are essential. Their flat mating surfaces prevent trapping debris during connection, making them suitable for construction equipment, mining machinery, and other rugged applications.
• High-Temperature Hydraulic Couplings: High-temperature hydraulic couplings are designed to operate in extreme temperature environments, such as those encountered in hot industrial processes or near machinery generating significant heat. They use specialized seals and materials that can withstand elevated temperatures without compromising performance.

Specialized hydraulic couplings are engineered to handle the unique challenges posed by high-pressure or high-flow applications, ensuring safe, efficient, and reliable operation in demanding industrial environments. When selecting a hydraulic coupling for such applications, it’s crucial to consider factors like the specific pressure and flow requirements, environmental conditions, compatibility with the hydraulic fluid, and the overall system design to achieve optimal performance and safety.

How do hydraulic couplings ensure efficient torque transmission and prevent fluid leaks?

Hydraulic couplings are designed with specific features to ensure efficient torque transmission and prevent fluid leaks, making them vital components in hydraulic systems. These features contribute to the overall performance and reliability of the hydraulic system. Here’s how hydraulic couplings achieve these goals:

• High-Quality Materials: Hydraulic couplings are manufactured using high-quality materials, such as steel, stainless steel, brass, or other durable alloys. These materials offer excellent strength and wear resistance, allowing the couplings to withstand high torque and pressure loads without deforming or leaking.
• Precision Machining: Hydraulic couplings undergo precise machining processes to achieve tight tolerances and smooth surfaces. This ensures proper alignment and mating of coupling components, minimizing energy losses and enhancing torque transmission efficiency.
• Sealing Mechanisms: Hydraulic couplings incorporate various sealing mechanisms to prevent fluid leaks. O-rings, seals, or face seals are common sealing methods used in hydraulic couplings. When the coupling components are connected, the seals create a secure barrier, preventing hydraulic fluid from escaping the system.
• Leak-Free Designs: Modern hydraulic couplings often feature leak-free designs that minimize the risk of fluid leakage during operation. These designs utilize advanced sealing technologies and tight tolerances to ensure a reliable and durable connection, even under high-pressure conditions.
• Threaded Connections: Many hydraulic couplings use threaded connections, such as NPT, BSP, JIC, or SAE threads, to create a secure and leak-resistant joint. Properly tightened threaded connections maintain the integrity of the hydraulic system, reducing the likelihood of leaks.
• Quick-Connect Couplings: Quick-connect hydraulic couplings are designed for rapid and easy connection and disconnection, often without the need for additional tools. These couplings use internal valves and seals to ensure a leak-free connection when engaged and prevent fluid leaks when disengaged.
• Hermetically Sealed Couplings: In specific applications, hermetically sealed hydraulic couplings use magnetic coupling technology to provide a non-contact, leak-free transmission of torque and power. These couplings have no physical contact points, making them suitable for critical environments or systems handling hazardous fluids.

The combination of these design features ensures that hydraulic couplings efficiently transmit torque from one component to another while maintaining a secure and reliable seal to prevent fluid leaks. This is particularly important in hydraulic systems, where fluid leakage can lead to reduced performance, increased maintenance, and potential safety hazards.

Proper selection, installation, and maintenance of hydraulic couplings are crucial to optimize their torque transmission capabilities and prevent fluid leaks. Regular inspections and replacement of worn-out seals or damaged couplings are essential to ensure the continued efficiency and safety of the hydraulic system.

In summary, hydraulic couplings play a crucial role in efficient torque transmission and fluid sealing in hydraulic systems. Their robust construction, precision engineering, and advanced sealing technologies contribute to the overall performance and reliability of hydraulic machinery and equipment.

How do you select the appropriate hydraulic coupling for specific fluid handling needs?

Selecting the right hydraulic coupling for specific fluid handling needs involves considering several critical factors to ensure optimal performance and reliability. Here’s a step-by-step guide to help you make an informed choice:

1. Fluid Type: Identify the type of fluid that the coupling will handle. Different fluids have varying viscosities and chemical properties, which can impact the compatibility and material selection for the coupling.
2. Operating Pressure and Temperature: Determine the maximum operating pressure and temperature that the coupling will experience. Ensure that the selected coupling is rated to handle the expected pressure and temperature levels without failure or deformation.
3. Torque Requirements: Calculate the required torque capacity based on the power transmission needs of your system. Choose a coupling that can handle the anticipated torque while considering safety factors.
4. Misalignment Tolerance: Evaluate the potential misalignments that may occur between the shafts in your system. Choose a coupling that offers sufficient misalignment tolerance to accommodate these variations without imposing excessive stress on the equipment.
5. Vibration and Shock: Consider the level of vibration and shock the coupling will experience during operation. Select a coupling that can dampen vibrations and absorb shocks to protect the system components and ensure stable performance.
6. Installation and Maintenance: Assess the ease of installation and maintenance requirements of the coupling. A well-designed coupling should be easy to install, inspect, and maintain, reducing downtime and maintenance costs.
7. Environmental Factors: Take into account the environmental conditions in which the coupling will operate. Factors such as exposure to moisture, chemicals, dust, or extreme temperatures may affect the choice of coupling materials and coatings.
8. Space Constraints: Consider the available space for installing the coupling. Some applications may have limited space, necessitating the use of compact or low-profile couplings.
9. Coupling Type: Based on the above considerations, choose the most suitable coupling type for your specific fluid handling needs. Consider options such as jaw couplings, disc couplings, fluid couplings, gear couplings, or other specialized couplings based on your application requirements.

It’s essential to consult with coupling manufacturers or industry experts if you have specific or challenging application requirements. They can provide valuable insights and recommendations to ensure you select the right hydraulic coupling that meets your fluid handling needs and maximizes the efficiency and reliability of your system.

editor by CX 2024-04-04

Product Description

HangZhou Haozheng Hydraulic Machinery Equipment Co., Ltd.

HangZhou Haozheng Hydraulic Machinery Equipment Co., Ltd. is a manufacturer that started researching, developing, manufacturing and selling hydraulic pumps earlier in China. The main hydraulic products include A10VSO\PVH\PAVC\A11VO\A4VSO\PV\PVXS and other series of plunger pumps and hydraulic spare parts, which are exported to Canada, the United States, Mexico, Brazil, Norway, Italy, France, the United Kingdom, Russia, South Africa, Kenya, Saudi Arabia and others. It is widely used in steel mills, power plants, engineering machinery, mining machinery, industrial equipment, metallurgical machinery, injection molding, oil drilling, ports and ships and other fields.
product-group/nMBGJqeDbgVC/Parker-Piston-Pump-catalog-1.html

product-group/ZeNaotCEAgVi/Rexroth-Piston-Pump-catalog-1.html

product-group/jeJAcxmvuIfG/Vikcers-Piston-Pump-catalog-1.html

product-group/BqFfjLEznPVk/Hydraulic-pump-parts-catalog-1.html

Product Description

 

Series	Mode	Control	displacement cm³/rev	Flow L/min	Bar	Rpm	Power/kw	Cm	Kg
HZA10VSO/31R	a10vso18	DR/DFR/DFR1/DFLR/DRS/DRG/ED72/ED71	18	27-59.4	280-350bar	3300-3900	12.6-27.7	26x20x22	12
	a10vso28		28	42-84		3000-3600	20-39	29x23x26	15
	a10vso45/31r		45	68-117		2600-3100	32-55	32x24x27	21
	a10vso71/31r		71	107-15		2200-2600	50-73	37x27x30	33
	a10vso100/31r		100	150-200		2000-2400	93-70	47x26x31	45
	a10vso140/31r		140	210-252		1800-2100	118-98	47x28x37	60
HZA101VSO/32R	a10vso45/32r		45	67.5-81	280-350bar	1800	31-38		30
	a10vso71/32r		71	106.7-128		1800	50-59.7	42x27x29	47
	a10vso100/32r		100	150-180		1800	70-84	47x27x32	69
	a10vso140/32r		140	210-252		1800	98-118	51x29x37	73
	a10vso180/32r		180	270-324		1800	125-151		78

Our Products

 

We provide various models of axial variable displacement piston pumps and accessories, including the CHINAMFG brand’s A11VO, A10VSO, A11VO, the Vikers brand’s PVH, PVXS, PVB, PVM, and the CHINAMFG brand’s PAVC, PVP, PV. We also offer the Cate tractor modified version PVH 6E-3136 series. Therefore, hydraulic pumps can be customized according to displacement, control method, flange port, etc.

 

 

 

Company Profile

 

 

 

FAQ

1.What’s the application for pump?

Construction equipment Steel factory or Power plant Industrial equipment Related hydraulic system

2.What about the MOQ?

MOQ:1pcs.

3.Are you manufacturer?  And what’s the delivery time?

Yes, we are manufacturer and have our own factory. Generally, its in stock for common models, 1-3 days will be finished and sent to customer in time.

4.Which payment methods are accepted?

We usually accept T/T,L/C,Western union,Trade assurance,VISA Card.

5.How about the inspection and Guarantee of products?

We promise: all products are tested before ship, to confirm it will be working and  in good conditions when customers get. Also, we offer 12-month guarantee, if it doesn’t work due to quality issue in the period, we will send spares to repair for free. Accordingly, the pump will work last at least 18 months.

6 What about your after-sale service?

If there is any question in use, please talk with your sales manager at any time, so we will know your problems are and help to solve.

We can provide ODM and OEM service

Production capacity:

Product Line Name	Production Line Capacity	Actual Units Produced(Previous Year)
A10VSO Series Piston Pump,HG Series Gear Pump,PAVC Series Piston Pump,PV Series Piston Pump,PVH Series Piston Pump	2

Export Market Distribution:

Market		Total Revenue (%)
North America		6
South America		4
Eastern Europe		8
Southeast Asia		2
Africa		3
Oceania		2
Mid East		2
Eastern Asia		1
Western Europe		3
Central America		2
Northern Europe		2
Southern Europe		3
South Asia		2
Domestic Market		60

Production Machinery:

Machine Name	Brand & Model No.	Quantity	Number of Year(s) Used	Condition
CNC Machining Center	Confidential	8	2	acceptable
CNC Lathe	Confidential	4	2	acceptable
Surface Grinder	Confidential	1	2	acceptable
Cylindrical Grinder	Confidential	1	2	acceptable
Hydraulic Gear Drawing Machine	Confidential	1	2	acceptable
Horizontal Honing Machine	Confidential	1	2	acceptable
Ordinary Lathe	Confidential	1	2	acceptable
Pressure Washer	Confidential	1	2	acceptable
Milling Machine	Confidential	1	2	acceptable

Testing Machinery:

Machine Name	Brand & Model No.	Quantity	Number of Year(s) Used	Condition
Hydraulic Test Bench	Confidential	1	1	acceptable

/* January 22, 2571 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1

How do hydraulic couplings contribute to reducing vibrations and noise in hydraulic systems?

Hydraulic couplings play a crucial role in reducing vibrations and noise in hydraulic systems, providing several mechanisms that help dampen and absorb these unwanted effects. Here’s how hydraulic couplings contribute to vibration and noise reduction:

• Torsional Flexibility: Hydraulic couplings are designed with torsional flexibility, allowing them to twist and absorb torsional vibrations that may occur during operation. As the fluid flows through the coupling, it acts as a damping medium, attenuating vibrations and minimizing their transmission to the rest of the system.
• Vibration Isolation: The inherent flexibility of hydraulic couplings helps isolate vibrations between the driving and driven components of the hydraulic system. This isolation prevents vibrations from propagating through the system, reducing the overall vibration levels and promoting smoother operation.
• Shock Absorption: In systems subject to sudden changes in load or pressure, hydraulic couplings can act as shock absorbers. They cushion the impact of these shock loads, preventing them from reverberating through the system and causing noise or damage to sensitive components.
• Damping Characteristics: Hydraulic couplings, especially those utilizing a hydraulic fluid medium, exhibit excellent damping characteristics. The fluid dissipates energy by converting kinetic energy into heat energy, effectively reducing the system’s resonant vibrations and noise.
• Smooth Power Transmission: Hydraulic couplings provide smooth power transmission between the driving and driven elements. The absence of jerks or sudden changes in torque helps in minimizing vibrations and noise generation, leading to quieter operation.
• Compensation for Misalignments: Hydraulic couplings can compensate for certain misalignments between the shafts they connect. By accommodating misalignments, the couplings reduce the stress on the system components, mitigating vibrations that might arise from misalignment-induced forces.
• Elimination of Metal-to-Metal Contact: In certain couplings, the use of elastomeric or flexible elements eliminates direct metal-to-metal contact between the driving and driven shafts. This reduces transmission of vibrations and noise, resulting in a quieter system.

By incorporating these vibration and noise-reducing features, hydraulic couplings enhance the overall performance and longevity of hydraulic systems. They contribute to a more pleasant working environment by minimizing noise levels and reducing the risk of fatigue failure caused by excessive vibrations. Additionally, reduced vibrations help prevent premature wear and extend the lifespan of system components, ultimately leading to cost savings and improved efficiency in industrial applications.

Where can I find reputable suppliers or manufacturers of hydraulic couplings for my specific hydraulic system requirements?

Finding reputable suppliers or manufacturers of hydraulic couplings is essential to ensure the quality, performance, and compatibility of the couplings with your specific hydraulic system requirements. Here are some methods and sources to help you locate reliable hydraulic coupling suppliers:

1. Online Directories and Marketplaces: Utilize online industrial directories and marketplaces that list hydraulic coupling manufacturers and suppliers. Websites like ThomasNet, Alibaba, and IndustryNet can provide comprehensive listings with company profiles and product offerings.
2. Trade Shows and Exhibitions: Attend trade shows and exhibitions focused on fluid power and hydraulic components. These events offer an opportunity to meet suppliers in person, see product demonstrations, and discuss your specific requirements directly with the manufacturers.
3. Industry Associations: Many industry associations, such as the International Fluid Power Society (IFPS) or the National Fluid Power Association (NFPA), maintain directories of member companies that offer hydraulic couplings and related products. These associations often have strict membership criteria, which can serve as a marker of reputable companies.
4. Online Search Engines: Conduct a targeted search using online search engines. Use specific keywords related to your hydraulic system requirements, such as “high-pressure hydraulic couplings” or “quick-connect hydraulic couplings,” along with your location to find local suppliers.
5. Manufacturer Websites: Visit the websites of well-known hydraulic coupling manufacturers. Reputable manufacturers often provide detailed product information, specifications, and contact details, making it easier to assess their suitability for your requirements.
6. Customer Reviews and Testimonials: Look for customer reviews and testimonials to gauge the reputation and customer satisfaction of potential hydraulic coupling suppliers. Positive feedback from other customers can be an indicator of reliable and reputable manufacturers.

When evaluating hydraulic coupling suppliers, consider the following factors to ensure they meet your specific requirements:

• Product Range: Check if the supplier offers a diverse range of hydraulic couplings, including the types, sizes, and configurations that match your needs.
• Quality Assurance: Inquire about the supplier’s quality control processes and certifications to ensure their hydraulic couplings meet industry standards and regulatory requirements.
• Customization Options: If your hydraulic system requires specialized couplings, confirm if the supplier can provide customization options to meet your unique specifications.
• Technical Support: Assess the supplier’s technical expertise and support capabilities to assist with product selection, installation, and troubleshooting.
• Pricing and Delivery: Obtain competitive pricing and inquire about delivery lead times to ensure the supplier can meet your budget and project timelines.
• After-Sales Service: Inquire about the supplier’s after-sales service, warranty policies, and availability of spare parts to ensure long-term support for your hydraulic couplings.

By conducting thorough research and due diligence, you can find reputable suppliers or manufacturers of hydraulic couplings that align with your specific hydraulic system requirements. Working with reliable suppliers will help you obtain high-quality couplings that contribute to the efficient and reliable operation of your hydraulic system.

Are there specific pressure and temperature limits for different hydraulic coupling designs?

Yes, different hydraulic coupling designs have specific pressure and temperature limits, and these limits can vary based on the coupling type and construction materials. Here are some general considerations regarding pressure and temperature limits for common hydraulic coupling designs:

• Jaw Couplings: Jaw couplings typically have a pressure rating ranging from 1000 psi to 5000 psi (6.9 MPa to 34.5 MPa) and can handle temperatures from -20°C to 120°C (-4°F to 248°F). These couplings are suitable for various industrial applications with moderate pressure and temperature requirements.
• Disc Couplings: Disc couplings offer higher pressure and temperature capabilities compared to jaw couplings. Their pressure rating can range from 2000 psi to 6000 psi (13.8 MPa to 41.4 MPa), and they can handle temperatures between -50°C to 150°C (-58°F to 302°F). These couplings are commonly used in high-performance and precision equipment.
• Fluid Couplings: Fluid couplings are suitable for applications requiring smooth start-ups and shock absorption. Their pressure limits can range from 150 psi to 3000 psi (1.03 MPa to 20.7 MPa), and they can handle temperatures from -40°C to 150°C (-40°F to 302°F). These couplings are often used in heavy machinery, such as conveyors and crushers.
• Gear Couplings: Gear couplings have a higher pressure rating, typically ranging from 2500 psi to 8000 psi (17.2 MPa to 55.2 MPa), and can handle temperatures from -20°C to 150°C (-4°F to 302°F). These couplings are commonly used in heavy-duty industrial applications with high torque requirements.
• Oldham Couplings: Oldham couplings have pressure limits ranging from 500 psi to 3000 psi (3.4 MPa to 20.7 MPa) and can handle temperatures between -30°C to 100°C (-22°F to 212°F). They are suitable for applications where shafts are not in perfect alignment.
• Diaphragm Couplings: Diaphragm couplings offer high pressure and temperature capabilities. Their pressure rating can range from 3000 psi to 10000 psi (20.7 MPa to 68.9 MPa), and they can handle temperatures from -50°C to 200°C (-58°F to 392°F). These couplings are commonly used in high-speed and high-temperature applications like pumps and compressors.
• Beam Couplings: Beam couplings typically have a pressure rating ranging from 1000 psi to 4000 psi (6.9 MPa to 27.6 MPa) and can handle temperatures between -40°C to 150°C (-40°F to 302°F). They are commonly used in precision equipment and motion control applications.

It’s essential to consult the manufacturer’s specifications and guidelines for each specific hydraulic coupling design to ensure it is suitable for the intended application’s pressure and temperature requirements. Using a coupling within its specified limits ensures safe and reliable operation and maximizes the performance and lifespan of the hydraulic system.

editor by CX 2024-04-04

Product Description

HangZhou Haozheng Hydraulic Machinery Equipment Co., Ltd.

HangZhou Haozheng Hydraulic Machinery Equipment Co., Ltd. is a manufacturer that started researching, developing, manufacturing and selling hydraulic pumps earlier in China. The main hydraulic products include A10VSO\PVH\PAVC\A11VO\A4VSO\PV\PVXS and other series of plunger pumps and hydraulic spare parts, which are exported to Canada, the United States, Mexico, Brazil, Norway, Italy, France, the United Kingdom, Russia, South Africa, Kenya, Saudi Arabia and others. It is widely used in steel mills, power plants, engineering machinery, mining machinery, industrial equipment, metallurgical machinery, injection molding, oil drilling, ports and ships and other fields.
product-group/nMBGJqeDbgVC/Parker-Piston-Pump-catalog-1.html

product-group/ZeNaotCEAgVi/Rexroth-Piston-Pump-catalog-1.html

product-group/jeJAcxmvuIfG/Vikcers-Piston-Pump-catalog-1.html

product-group/BqFfjLEznPVk/Hydraulic-pump-parts-catalog-1.html

Product Description

 

Series	Mode	Control	displacement cm³/rev	Flow L/min	Bar	Rpm	Power/kw	Cm	Kg
HZA10VSO/31R	a10vso18	DR/DFR/DFR1/DFLR/DRS/DRG/ED72/ED71	18	27-59.4	280-350bar	3300-3900	12.6-27.7	26x20x22	12
	a10vso28		28	42-84		3000-3600	20-39	29x23x26	15
	a10vso45/31r		45	68-117		2600-3100	32-55	32x24x27	21
	a10vso71/31r		71	107-15		2200-2600	50-73	37x27x30	33
	a10vso100/31r		100	150-200		2000-2400	93-70	47x26x31	45
	a10vso140/31r		140	210-252		1800-2100	118-98	47x28x37	60
HZA101VSO/32R	a10vso45/32r		45	67.5-81	280-350bar	1800	31-38		30
	a10vso71/32r		71	106.7-128		1800	50-59.7	42x27x29	47
	a10vso100/32r		100	150-180		1800	70-84	47x27x32	69
	a10vso140/32r		140	210-252		1800	98-118	51x29x37	73
	a10vso180/32r		180	270-324		1800	125-151		78

Our Products

 

We provide various models of axial variable displacement piston pumps and accessories, including the CHINAMFG brand’s A11VO, A10VSO, A11VO, the Vikers brand’s PVH, PVXS, PVB, PVM, and the CHINAMFG brand’s PAVC, PVP, PV. We also offer the Cate tractor modified version PVH 6E-3136 series. Therefore, hydraulic pumps can be customized according to displacement, control method, flange port, etc.

 

 

 

Company Profile

 

 

 

FAQ

1.What’s the application for pump?

Construction equipment Steel factory or Power plant Industrial equipment Related hydraulic system

2.What about the MOQ?

MOQ:1pcs.

3.Are you manufacturer?  And what’s the delivery time?

Yes, we are manufacturer and have our own factory. Generally, its in stock for common models, 1-3 days will be finished and sent to customer in time.

4.Which payment methods are accepted?

We usually accept T/T,L/C,Western union,Trade assurance,VISA Card.

5.How about the inspection and Guarantee of products?

We promise: all products are tested before ship, to confirm it will be working and  in good conditions when customers get. Also, we offer 12-month guarantee, if it doesn’t work due to quality issue in the period, we will send spares to repair for free. Accordingly, the pump will work last at least 18 months.

6 What about your after-sale service?

If there is any question in use, please talk with your sales manager at any time, so we will know your problems are and help to solve.

We can provide ODM and OEM service

Production capacity:

Product Line Name	Production Line Capacity	Actual Units Produced(Previous Year)
A10VSO Series Piston Pump,HG Series Gear Pump,PAVC Series Piston Pump,PV Series Piston Pump,PVH Series Piston Pump	2

Export Market Distribution:

Market		Total Revenue (%)
North America		6
South America		4
Eastern Europe		8
Southeast Asia		2
Africa		3
Oceania		2
Mid East		2
Eastern Asia		1
Western Europe		3
Central America		2
Northern Europe		2
Southern Europe		3
South Asia		2
Domestic Market		60

Production Machinery:

Machine Name	Brand & Model No.	Quantity	Number of Year(s) Used	Condition
CNC Machining Center	Confidential	8	2	acceptable
CNC Lathe	Confidential	4	2	acceptable
Surface Grinder	Confidential	1	2	acceptable
Cylindrical Grinder	Confidential	1	2	acceptable
Hydraulic Gear Drawing Machine	Confidential	1	2	acceptable
Horizontal Honing Machine	Confidential	1	2	acceptable
Ordinary Lathe	Confidential	1	2	acceptable
Pressure Washer	Confidential	1	2	acceptable
Milling Machine	Confidential	1	2	acceptable

Testing Machinery:

Machine Name	Brand & Model No.	Quantity	Number of Year(s) Used	Condition
Hydraulic Test Bench	Confidential	1	1	acceptable

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What materials, such as steel or brass, are commonly used in manufacturing hydraulic couplings?

Hydraulic couplings are manufactured using a variety of materials, and the choice of material depends on the specific application requirements and the operating conditions of the hydraulic system. Some common materials used in manufacturing hydraulic couplings include:

• Steel: Steel is one of the most widely used materials for hydraulic couplings due to its excellent strength, durability, and resistance to wear and corrosion. Carbon steel, stainless steel, and alloy steel are commonly used to manufacture hydraulic couplings for a wide range of applications.
• Brass: Brass is another popular material for hydraulic couplings, especially in low-pressure and non-corrosive environments. Brass couplings offer good conductivity and are commonly used in fluid systems that require electrical grounding.
• Aluminum: Aluminum couplings are lightweight and have good corrosion resistance. They are often used in applications where weight reduction is critical, such as aerospace and marine industries.
• Cast Iron: Cast iron couplings provide high strength and durability, making them suitable for heavy-duty industrial applications with higher pressures and temperatures.
• Stainless Steel: Stainless steel couplings are preferred for applications where resistance to corrosion and chemical exposure is essential. They are commonly used in the food and pharmaceutical industries.
• Plastics: Some hydraulic couplings are made from various plastics, such as polypropylene or nylon. Plastic couplings are lightweight, corrosion-resistant, and suitable for low-pressure applications.
• Bronze: Bronze couplings offer good corrosion resistance and are commonly used in marine and offshore applications.
• Titanium: Titanium couplings are used in specialized applications where high strength and corrosion resistance are required, such as in the chemical and petrochemical industries.

Each material has its advantages and limitations, and the selection of the appropriate material depends on factors such as the operating pressure, temperature, chemical compatibility, weight requirements, and cost considerations of the specific hydraulic system.

Manufacturers of hydraulic couplings provide detailed specifications and material options for their products, enabling users to choose the most suitable coupling material for their application needs.

Can hydraulic couplings be retrofitted into existing hydraulic systems for improved performance?

Yes, hydraulic couplings can be retrofitted into existing hydraulic systems to enhance performance, improve reliability, and address specific system requirements. Retrofitting hydraulic couplings can be a cost-effective way to upgrade older systems without the need for extensive modifications or complete replacements.

Retrofitting hydraulic couplings may be beneficial for several reasons:

• Improved Efficiency: Upgrading to modern hydraulic couplings with better design features can reduce energy losses and improve overall system efficiency. For example, switching from older, less efficient couplings to newer, more streamlined designs can optimize fluid flow and reduce pressure drop.
• Leak Reduction: Older hydraulic systems may experience fluid leaks due to worn-out or damaged couplings. Retrofitting with new, high-quality couplings equipped with advanced sealing technologies can significantly reduce the risk of leaks, leading to better system reliability and environmental safety.
• Higher Pressure and Flow Capabilities: Newer hydraulic couplings may offer higher pressure and flow ratings, allowing the system to handle increased demands or heavier loads. This can be crucial for applications that require more power and performance.
• Material Compatibility: In some cases, existing hydraulic systems may have components made from materials that are not compatible with certain hydraulic fluids. Retrofitting with appropriate couplings can ensure compatibility and prevent corrosion or other fluid-related issues.
• Space Constraints: Modern hydraulic couplings often come in more compact designs, which can be advantageous for systems with limited space. Retrofitting with smaller couplings may allow for better system integration and improved layout.
• Environmental Compliance: Retrofitting hydraulic couplings can help align the system with current environmental regulations and industry standards, reducing the risk of potential fines or non-compliance issues.

Before retrofitting hydraulic couplings, careful evaluation of the existing system is necessary to ensure compatibility and identify specific areas for improvement. Factors such as thread type, size, pressure rating, flow capacity, and material compatibility must be considered to select the appropriate couplings for the retrofit.

It’s essential to consult with hydraulic coupling manufacturers or experienced fluid power professionals when planning a retrofit. They can provide guidance on suitable coupling options and recommend the necessary modifications or adjustments to optimize system performance.

In conclusion, retrofitting hydraulic couplings into existing hydraulic systems can be a viable solution for enhancing performance, reducing leaks, and achieving better overall efficiency and reliability. It allows businesses to leverage the latest advancements in hydraulic coupling technology to extend the lifespan and improve the functionality of their existing hydraulic systems.

How do hydraulic couplings accommodate misalignment and prevent overload during operation?

Hydraulic couplings are designed to accommodate misalignment and prevent overload during operation, ensuring smooth and efficient power transmission. Here’s how they achieve this:

1. Misalignment Accommodation: Hydraulic couplings can handle different types of misalignment between the driving and driven shafts. This includes angular misalignment, radial misalignment, and axial misalignment. The design of the coupling allows it to flex and compensate for these misalignments, reducing stress on the system components and preventing premature wear.
2. Torsional Flexibility: Hydraulic couplings offer torsional flexibility, which means they can twist and absorb torsional vibrations that may occur during operation. This capability helps to dampen vibrations and reduce the impact of shock loads on the system, enhancing the overall performance and protecting sensitive components.
3. Slip Mechanism: In applications where overload protection is critical, some hydraulic couplings feature a slip mechanism. When the torque exceeds a certain threshold, the coupling slips, disengaging the driving and driven elements. This slip mechanism prevents damage to the system and its components by acting as a safety feature under high-load conditions.
4. Hydraulic Fluid Damping: The hydraulic fluid present in the coupling acts as a damping medium. When torque is transmitted from the driving element to the driven element, the fluid dampens the transmission of vibrations, providing a smoother and quieter operation while reducing wear and tear.
5. Gradual Start-up: During system start-up, hydraulic couplings provide gradual power transmission. As the fluid flow builds up and pressure increases, the coupling gradually engages, minimizing the shock and stress on the system. This gradual start-up is particularly beneficial for systems with heavy loads and delicate components.
6. Continuous Power Transmission: Hydraulic couplings maintain continuous power transmission even when there are slight misalignments or variations in operating conditions. The ability to accommodate misalignments and fluctuations in torque allows the system to operate reliably and efficiently over time.

By accommodating misalignments, damping vibrations, and providing overload protection, hydraulic couplings ensure the smooth and reliable operation of hydraulic systems. Their versatility and adaptability make them suitable for a wide range of industrial applications, where precision, efficiency, and protection against shock loads are essential requirements.

editor by CX 2024-03-15