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.
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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