Product Description

Industrial Pumps Rolling Bearing Variable Speed Hydraulic Coupling

Application:

Hydraulic coincidence machines which are series of products of extensively applied to steel plant, power plant, mine, etc.. After matching with belt machine, grinding machine and machineries that at odds with the community, such as air blower and water pump, hydraulic coincidence machines have the fine characteristics of flexible transmission and isolated and sprain shaking. In addition to that they can economize on electricity in a large amount and they are the energy-conserving product that the country popularized especially.

Our products range:

+YOTCGP series Variable speed fluid coupling
+YOTCG series Variable speed fluid coupling
+YOTCHP series Variable speed fluid coupling
+YOTCHZ series Variable speed fluid coupling
+YOTCQ series Variable speed fluid coupling
+YOTCHF series Variable speed fluid coupling
+Constant fluid coupling, such YOX, TVA series.

Sample Product Photos:

Feature of Technique:

1.Maximum output speed * in the type No. should be specified in order.
2.The rated slip is 1.5-3%.The maximum total mechanical efficiency>=95%.
3..For centrifugal machine-gal with load characteristics of  M a n2 .step less speed regulation over range of 1-1/5 is available.
For constant torque drives with M=C a range of 1-1/3 may be provided.
4.All of these are supported can by rolling bearing or sliding bearing.

YOTCGP TYPE Variable Speed Hydraulic Fluid Coupling Specification:
 

type	input rotational speed (r/min)	rotation power (kw)
YOTCGP500	1000	20~65
	1500	65~210
	3000	550~1600
YOTCGP560	1000	35~105
	1500	115~340
	3000	950~2740
YOTCGP580	1000	35~105
	1500	115~410
	3000	950~3250
YOTCGP600	750	20~65
	1000	50~150
	1500	170~500
YOTCGP650	750	30~95
	1000	70~220
	1500	240~700
YOTCGP700	750	45~135
	1000	110~320
	1500	350~1000
YOTCGP750	600	30~100
	750	60~190
	1000	145~460
	1500	490~1420
YOTCGP800	600	45~130
	750	80~250
	1000	200~580
	1500	610~1960
YOTCGP875	600	70~200
	750	130~410
	1000	310~910
	1500	1060~3060
YOTCGP920	600	110~330
	750	230~675
	1000	400~1170
YOTCGP1000	600	130~500
	750	250~1571
	1000	615~1770
YOTCGP1050	500	125~365
	600	220~640
	750	400~1150
	1000	780~2260
YOTCGP1150	500	180~710
	600	310~1250
	750	640~1860
	1000	1500~4400
YOTCGP1250	500	300~870
	600	530~1535
	750	790~2280
YOTCGP1320	500	395~1142
	600	695~2015
	750	1030~2990

Details Photos of YOTCGP Variable Speed hydraulic fluid coupling:

Production Equipment Photos:

Package and Delivery:

Mainly Cooperation Customer:

Power Plant, Cement Mill, Industrial Water Supplier, Raw material yard, ore beneficiation, sinter plant and pellet, coke oven plant, iron making plant, steel making plant.

Successful Projects Feedback:

Note: We also accept the repair work projects, and provide spare parts for variable speed fluid coupling. 
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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.

What are the standard sizes and thread types available for hydraulic couplings?

Hydraulic couplings come in a variety of sizes and thread types to accommodate different hydraulic system requirements. The standard sizes and thread types are specified based on industry standards and regional norms. Here are some common standard sizes and thread types for hydraulic couplings:

• Thread Types:
  • NPT (National Pipe Thread): NPT is a widely used thread type in North America. It has a tapered thread design and requires thread sealants like Teflon tape to ensure a leak-free connection.
  • BSP (British Standard Pipe): BSP is commonly used in Europe and many other parts of the world. It can have parallel (BSPP) or tapered (BSPT) threads and often requires thread sealants for a secure connection.
  • JIC (Joint Industry Council): JIC threads have a 37-degree flare angle and are prevalent in hydraulic systems. They provide a reliable metal-to-metal seal without the need for thread sealants.
  • SAE (Society of Automotive Engineers): SAE threads are commonly used in mobile hydraulic applications. They have a 45-degree flare angle and offer excellent sealing capabilities.
  • ORFS (O-Ring Face Seal): ORFS fittings feature a flat face with an O-ring seal. They are suitable for high-pressure applications and provide a reliable leak-free connection.
• Standard Sizes:
  • Hydraulic couplings are available in various standard sizes, typically measured in inches or millimeters. Common sizes for hydraulic couplings include 1/4″, 3/8″, 1/2″, 3/4″, 1″, and 1 1/4″ for smaller couplings and up to larger sizes like 2″, 2 1/2″, and 3″ for heavy-duty industrial applications.
  • Metric sizes, such as 6 mm, 10 mm, 12 mm, 16 mm, and 20 mm, are also commonly used in hydraulic systems, especially in countries that follow the metric system.
  • Some specialized hydraulic systems may require custom sizes to meet specific application needs.

It’s important to note that while these thread types and sizes are commonly used, there may be other proprietary or industry-specific thread types and sizes depending on the manufacturer or application requirements. When selecting hydraulic couplings, it’s essential to ensure that the chosen couplings match the thread type and size of the corresponding components in the hydraulic system to ensure a proper and secure connection.

Hydraulic coupling manufacturers often provide detailed specifications and technical information about their products, including the available thread types and sizes, to help users select the right couplings for their specific hydraulic system needs.

Can you explain the working principle of a hydraulic coupling and its advantages over other coupling types?

A hydraulic coupling operates based on the principle of hydraulic fluid transmission to transfer power from one shaft to another. It consists of two main parts: the input (driving) element and the output (driven) element, both of which have specially designed vanes or blades submerged in hydraulic fluid.

When the input element rotates, it creates a flow of hydraulic fluid around the vanes. The fluid flow generates pressure on the output element, causing it to start rotating. This pressure difference between the input and output elements facilitates the transfer of torque and power from the driving shaft to the driven shaft.

The working principle of a hydraulic coupling allows it to accommodate misalignments and torsional vibrations. It effectively isolates shock loads, provides overload protection, and dampens vibrations, making it ideal for various industrial applications.

Advantages of hydraulic couplings over other coupling types include:

1. Misalignment Tolerance: Hydraulic couplings can handle significant shaft misalignments, reducing wear and tear on the system and prolonging the life of the components. Other coupling types may have limitations in this regard.
2. Vibration Damping: Hydraulic couplings can effectively dampen vibrations, preventing damage to connected equipment and promoting smoother operation. This advantage is especially critical in precision machinery and applications where vibrations can affect accuracy and performance.
3. Overload Protection: Hydraulic couplings offer built-in overload protection. When the torque exceeds a certain threshold, the fluid coupling slips or disengages, preventing damage to the system and its components. Other coupling types may not have this automatic overload protection.
4. Smooth Start-up: Hydraulic couplings provide gradual power transmission during start-up, which helps minimize shock and stress on the system. This feature is beneficial for systems with heavy loads or delicate components.
5. Quiet Operation: Due to their vibration-damping properties, hydraulic couplings contribute to quieter operation, reducing noise levels in the machinery compared to some other coupling types.
6. Wide Range of Applications: Hydraulic couplings are suitable for a wide range of industrial applications, including heavy machinery, mining equipment, conveyors, pumps, and more. Their adaptability and robust performance make them a popular choice in various industries.

While hydraulic couplings offer many advantages, the selection of the appropriate coupling type ultimately depends on the specific requirements of the application, such as torque, speed, misalignment, and environmental conditions. Properly choosing and maintaining the coupling can significantly improve the efficiency, reliability, and overall performance of fluid power transmission systems in industrial settings.

editor by CX 2024-05-08