China manufacturer Stainless Steel Pipe Fittings 304 1/4″-4″ NPT/BSPT Female Thread Coupling

Product Description

 

Product Name Threaded Coupling
Material Stainless steel
Shape Equal
Casting Size DN8-DN100
Thread Standard BSPT BSP NPT
MOQ 100
Delivery Time 15days
Shipping Port HangZhou
Shipping Terms FOB,CIF,EXW

Company Profile

HangZhou LuWei Valve and Fittings Co.,Ltd ., located in China Valve City -Xihu (West Lake) Dis. District .Is a design,development ,casting and processing of high -tech valve fittings,the company has first -class CNC machine tools and testing equipment, and in strict accordance with the ISO9001international quality standard system of production ,testing ,sales and service ,to ensure product quality .
The company has mainly produces and sells : stainless steel threaded fittings , ball valves ,threaded valves ,quick , welding pipe fittings ,pneumatic valves ,etc., can also call custom non-standard products .our products are widely used in petroleum ,chemical ,metallurgical,pharmaceutical ,refrigeration ,light industry ,electricity , environmental protection and so on industry . Products are exported to many countries and regions ,won the majority of customer recognition .
 

 

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FAQ

1. Are you a manufacturer or trading company?
We are a professional valves and fittings manufacturer with 6 years’ experience.
We have done business with our customers well.

2. What is payment method?
For samples: T/T, western union.
For orders: T/T or L/C.

3. Do you offer free samples?
We can provide free samples and you should pay the freight. After you place an order, we will give back the freight. 

4. Do you offer OEM service and can you product as our drawings?
Yes. We offer OEM service.
We accept custom design and we have a professional design team who can design products based on your requirements.
And we can develop new products according to your samples or drawings. 

5. Do you accept our design on boxes?
Yes. We accept custom design on boxes. 

6. What’s your delivery time?
Generally, we will arrange shipment with 30 days after receiving the deposit.
If urgent, we can also meet your requirement.

7. Is your price higher than other companies?
Since we have been a professional manufacturer for 6 years, we can control our quality and costs well. 
So our prices are very competitive.And we dedicate to establishing long-term and friendly relationships with all the customers.

stainless steel coupling

Can Stainless Steel Couplings Withstand High Torque and Heavy Loads?

Yes, stainless steel couplings are designed to withstand high torque and heavy loads in various industrial applications. Stainless steel is known for its excellent mechanical properties, including high strength and durability, making it well-suited for coupling systems that experience significant loads.

Stainless steel couplings are available in different designs, such as rigid couplings, flexible couplings, and beam couplings, each offering specific benefits in terms of torque transmission and load-carrying capacity.

Rigid Stainless Steel Couplings: Rigid couplings provide a solid connection between shafts and are ideal for applications where precise shaft alignment and torque transmission are crucial. They can handle high torque and heavy loads without any noticeable deformation or backlash. Rigid couplings are commonly used in machinery that requires precise motion control and accurate synchronization.

Flexible Stainless Steel Couplings: Flexible couplings, also known as misalignment couplings, can accommodate some degree of shaft misalignment while transmitting torque and handling heavy loads. They are designed to maintain a constant velocity ratio even in situations where shafts are not perfectly aligned. Flexible stainless steel couplings can help reduce stress on bearings and other components by compensating for misalignments and dampening vibrations, making them suitable for various industrial machinery and power transmission systems.

Beam Stainless Steel Couplings: Beam couplings are a type of flexible coupling that uses a helical cut in a stainless steel beam to provide flexibility. They are capable of handling high torque and moderate misalignments while maintaining a compact design. Beam couplings are commonly used in motion control systems, encoders, and other precision equipment that requires torque transmission with minimal backlash.

The load-carrying capacity and torque handling capability of stainless steel couplings depend not only on the design but also on the specific grade and size of the coupling. When selecting a stainless steel coupling for high torque and heavy load applications, it’s essential to consider factors such as the operating environment, shaft sizes, misalignment requirements, and overall system specifications.

In summary, stainless steel couplings are well-suited for applications that require withstanding high torque and heavy loads. Proper selection and installation of the appropriate coupling type and size will ensure optimal performance and reliability in demanding industrial settings.

stainless steel coupling

Stainless Steel Couplings in High-Temperature Applications

Stainless steel couplings are well-suited for high-temperature applications due to their excellent thermal stability and resistance to oxidation. The structural integrity of stainless steel couplings remains largely unaffected within certain temperature ranges, making them suitable for use in various industrial processes that involve elevated temperatures.

The performance of stainless steel couplings in high-temperature conditions is primarily attributed to the unique properties of stainless steel alloys. Stainless steel contains chromium, which forms a protective oxide layer on the surface when exposed to oxygen. This passive oxide layer, also known as chromium oxide, acts as a barrier against further oxidation and corrosion, enhancing the material’s resistance to heat and scaling.

The temperature limits for stainless steel couplings depend on the specific grade of stainless steel used. Common stainless steel grades like 304 and 316 have different temperature thresholds, but they can typically withstand temperatures ranging from 600°C to 925°C (1112°F to 1700°F) without significant loss of structural integrity.

For extreme high-temperature applications, specialized stainless steel alloys with higher nickel and chromium content, such as Inconel or Hastelloy, may be used. These alloys can withstand even higher temperatures, often exceeding 1000°C (1832°F) while maintaining their mechanical properties.

However, it’s essential to consider other factors such as thermal expansion and mechanical loads when using stainless steel couplings in high-temperature applications. High temperatures can cause thermal expansion and contraction, leading to misalignment or additional stress on the coupling. Engineers and designers should carefully account for these factors to ensure proper functioning and longevity of the coupling in such environments.

In summary, stainless steel couplings can be used in high-temperature applications without significant loss of structural integrity, provided the operating temperatures fall within the limits of the specific stainless steel grade used. Proper consideration of thermal expansion and other mechanical factors is crucial to ensuring the coupling’s optimal performance and reliability.

stainless steel coupling

Industry Standards and Certifications for Stainless Steel Couplings

Yes, there are industry standards and certifications that govern the manufacturing and performance of stainless steel couplings. These standards ensure that the couplings meet specific quality and safety requirements for various applications.

Some of the common industry standards and certifications for stainless steel couplings include:

  • American National Standards Institute (ANSI): ANSI sets standards for various industrial components, including couplings. ANSI standards ensure the couplings’ dimensional accuracy, material quality, and performance characteristics.
  • International Organization for Standardization (ISO): ISO provides globally recognized standards for couplings, among other products. ISO standards cover areas like coupling design, materials, and manufacturing processes.
  • American Society for Testing and Materials (ASTM): ASTM standards define the material properties and testing procedures for stainless steel couplings, ensuring their durability and reliability.
  • European Committee for Standardization (CEN): CEN develops European standards for couplings, adhering to the European Union’s regulations for quality and safety.
  • Underwriters Laboratories (UL): UL is a certification organization that tests and certifies couplings for compliance with safety and performance standards. UL-listed couplings have undergone rigorous testing and evaluation.

When selecting stainless steel couplings, it is essential to ensure that they comply with relevant industry standards and carry appropriate certifications. These standards and certifications provide assurance of the coupling’s quality, performance, and safety, making them suitable for specific applications.


editor by CX 2023-12-04

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