Product Description

Product Description

 

 

Specification

item	value
Warranty	3 years
Customized support	OEM, ODM, OBM
Place of CHINAMFG	China
	ZHangZhoug
Brand Name	CHINAMFG
Model Number
Technics	Casting
Connection	Welding
Shape	Equal
Head Code	Hexagon

Packing & Delivery

 

 

 

Company Profile

 

 

 

CHINAMFG Holding Group Co., Ltd. is a leading manufacturer for PPR pipes and fittings since foundation in 2004, integrating research, development, production, sales and after-sale service. Mainly producing PP-R pipes, PP-R CT pipes, PP-R aluminum composite pipes, fiber composite pipes, double-layer PP-R pipes, PP-R UV pipe, PP-R fittings, valves, tools and accessories, etc, which are widely used in water system. As a CHINAMFG company in China, we provide competitive quotation and service to customers all over the world. With rich experience on manufacturing, strong R & D team, advanced facilities and intelligent management, our products have opened a wide market around the world, being exported to more than 40 countries, such as Europe, Middle East, Southeast Asia, South America, North America, Australia, South Korea and India. Best quality, Satisfied products Made from high-quality raw materials directly from Borealis and Korea Hyosung, our products have passed the certification of AENOR, WARS and CE in Europe, ISO 9001:2008 quality management system, ISO 14001:2004 environmental management system and ISO 45001 Occupational health and safety management system. The products are manufacturing strictly according to German standard DIN8077/8078 for the pipes and DIN16962 for the fittings or ISO15874 standard. 

Certifications

FAQ

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Can hydraulic couplings handle both angular and axial misalignments simultaneously?

Yes, hydraulic couplings are designed to handle both angular and axial misalignments simultaneously. These couplings have inherent flexibility in their design, allowing them to accommodate various types of misalignments between the driving and driven shafts.

Angular misalignment occurs when the axes of the two shafts are not collinear, resulting in an angle between them. Axial misalignment, on the other hand, refers to the offset between the two shafts along their axis. Hydraulic couplings can compensate for these misalignments without sacrificing their ability to transmit torque efficiently.

The design of hydraulic couplings typically includes features such as flexible elements, torsional flexibility, or a fluid medium that allows the coupling to absorb and compensate for misalignments. When misalignment occurs, the flexible elements or fluid within the coupling act as a buffer, transmitting torque smoothly and reducing stress on the connected components.

By accommodating both angular and axial misalignments, hydraulic couplings offer several advantages in various applications:

• Reduced Wear: Hydraulic couplings’ ability to handle misalignments helps reduce wear and tear on the shafts, bearings, and other components, prolonging the life of the equipment.
• Smooth Operation: The ability to compensate for misalignments results in smoother operation and reduced vibrations, contributing to overall system performance and precision.
• Overload Protection: Hydraulic couplings can provide overload protection by allowing slippage when torque exceeds the coupling’s capacity, protecting the system from damage.
• Shock Absorption: In systems subject to shock loads or sudden changes in torque, hydraulic couplings can absorb and dampen these shocks, preventing damage to the equipment.
• Maintenance Reduction: By minimizing stress on the system components, hydraulic couplings can help reduce maintenance requirements and downtime.

It is important to note that the extent of misalignment accommodation may vary depending on the specific design and type of hydraulic coupling. Manufacturers provide guidelines and specifications for each coupling, including the maximum allowable misalignments.

Overall, hydraulic couplings’ ability to handle both angular and axial misalignments simultaneously makes them a versatile choice for various industrial applications where precision, efficiency, and reliable power transmission are essential.

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.

What are the different types of hydraulic couplings used in various industrial applications?

Hydraulic couplings come in various types and designs to suit different industrial applications. Some of the commonly used types include:

1. Jaw Couplings: Jaw couplings are versatile and widely used in industrial machinery. They consist of two hubs with interlocking jaws that transmit torque between the shafts. These couplings provide good misalignment capacity and vibration damping.
2. Disc Couplings: Disc couplings use a series of thin, flexible metal discs to transmit torque. They offer high torsional stiffness and can accommodate misalignments. They are commonly found in high-performance applications and precision equipment.
3. Fluid Couplings: Fluid couplings use hydraulic fluid to transmit torque. They are suitable for applications requiring smooth start-ups and shock absorption. These couplings are often used in heavy machinery, such as conveyors and crushers.
4. Gear Couplings: Gear couplings consist of gear teeth on the hubs that mesh with each other to transmit torque. They offer high torque capacity and can handle misalignments and shock loads. Gear couplings are commonly used in heavy-duty industrial applications.
5. Oldham Couplings: Oldham couplings use a sliding disc in the middle to transmit torque. They provide high misalignment capacity and are used in applications where shafts are not in perfect alignment.
6. Diaphragm Couplings: Diaphragm couplings use a thin metal diaphragm to transmit torque. They provide high torsional stiffness and can handle high speeds and misalignments. These couplings are used in applications like pumps and compressors.
7. Beam Couplings: Beam couplings use helical cuts in a flexible beam to transmit torque. They are lightweight and have good misalignment capacity. Beam couplings are used in precision equipment and motion control applications.
8. Universal Joints: While not a traditional hydraulic coupling, universal joints are used in fluid power transmission applications. They provide flexibility in transmitting torque at varying angles and are commonly found in drivetrains and automotive systems.

Each type of hydraulic coupling has its advantages and limitations, making them suitable for specific industrial applications based on factors like torque requirements, misalignment tolerance, and operating conditions. Proper selection and maintenance of hydraulic couplings are essential to ensure efficient power transmission and prolong the life of the machinery.

editor by CX 2024-05-07