Product Description

 

Product Parameters

 

 

Description	Welding nipple, barrel nipple, close nipple, merchant coupling, welding coupling, kc nipple, hose nipple
Thread	BSPP, BSPT, NPT, DIN thread, male and female thread
Surface	Natural surface, sandblasting, galvanized (hot dip galvanized, cold/electrical galvanize) or polishing finished.
Material	Stainless steel 304, Stainless steel 316/316l, carbon steel, weld and seamless
Thickness	thickness, sch10, sch20, sch40, sch80, sch160, XH, XXH and so on, pressure 150lb and 3000psi.

Company Profile

Different kinds of products are available in our company. We’re pleased to get your Inquiry and we will reply you as soon as possible. We stick to the principle of “quality first, service first, continuous improvement and innovation to meet the customers” for the management and “zero defect, zero complaints” as the quality objective.

   HangZhou Gangyu Metal Products Co., Ltd.

Different kinds of products are available in our company. We’re pleased to get your Inquiry and we will reply you as soon as possible. We stick to the principle of “quality first, service first, continuous improvement and innovation to meet the customers” for the management and “zero defect, zero complaints” as the quality objective.

We have a certain influence in the industry and are willing to cooperate with new and old customers for mutual benefit, and provide comprehensive services! The products sold by the company are suitable for various fields such as engineering, coal mining, textiles, electricity, boilers, machinery,industry, etc.

The service philosophy of the service industry is: Professional operation, honest service, and customer first; Enterprise oriented and service oriented; High quality service and meticulous maintenance; Quality first, service first, and people-oriented.

Hard and solid, honest commitment, practical results “: Strive for a CHINAMFG corporate foundation with a tough work style; Promise first-class enterprise services with honest beliefs; The spirit of practical work creates efficient corporate performance

Certifications

 

Packaging & Shipping

 

FAQ

 

Q: Are you Manufacturer or Trading company?
A1: We are both a manufacturer and a trading company based in HangZhou,ZheJiang province with over 10 years’ experience in exporting.
Q: What’s your main products?
A2: Our main products is including Stainless Steel Strip grade in 201,301,304,304L,316L, 430, 410L.
Q:Do you provide samples ?
A3: Yes, we could offer the sample for free charge but the cost of freight is by receiver, normally.

Why choose us?

1.   With 10 years’ experience in Stainless Steel strip manufacturing.
2.   Competitive Price and Best Services.
3.   Work with many famous brands,such as Tisco,Baosteel.
4.   Strong production capacity.
5.   Excellent exprience of after-sale service.

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Temperature and Pressure Limits of Stainless Steel Couplings

The temperature and pressure limits of stainless steel couplings can vary depending on the specific design, size, and material of the coupling. In general, stainless steel couplings are known for their excellent temperature and pressure resistance, making them suitable for a wide range of applications, including high-temperature and high-pressure environments.

Temperature Limits:

Stainless steel couplings can typically handle a wide temperature range, from as low as -100°C (-148°F) to as high as 800°C (1472°F) or even higher for specialized high-temperature applications. However, the exact temperature limits depend on factors such as the grade of stainless steel used, the presence of any seals or elastomeric components, and the intended application. Some stainless steel couplings are specifically designed for extreme temperatures in industries like aerospace, oil and gas, and chemical processing.

Pressure Limits:

Stainless steel couplings are known for their excellent strength and resistance to pressure. They can handle pressures ranging from a few hundred PSI (pounds per square inch) to several thousand PSI, depending on the coupling’s size and design. High-pressure stainless steel couplings are commonly used in hydraulic systems, oil and gas pipelines, and heavy machinery applications where reliable sealing and pressure containment are critical.

It is important to consult the manufacturer’s specifications and technical data to determine the exact temperature and pressure limits of a specific stainless steel coupling model. Using the coupling within the specified limits ensures optimal performance and avoids potential failure or damage.

Causes of Failure in Stainless Steel Couplings and Prevention

Stainless steel couplings are designed for durability and reliability, but like any mechanical component, they can experience failure under certain conditions. Understanding the potential causes of failure and taking preventive measures can help ensure the longevity and performance of stainless steel couplings. Some common causes of failure include:

1. Overloading: Exceeding the maximum torque or load capacity of the coupling can lead to deformation or breakage. To prevent overloading, it’s essential to choose a coupling with the appropriate torque and load ratings for the specific application.

2. Misalignment: Misalignment between shafts can create additional stresses on the coupling, leading to premature wear and failure. Regularly inspect and adjust shaft alignment to ensure it stays within the coupling’s allowable limits.

3. Corrosion: While stainless steel is corrosion-resistant, it is not immune to corrosion, especially in harsh environments with exposure to corrosive substances. Regular cleaning and maintenance can help prevent corrosion-related failure.

4. Fatigue: Repeated cycles of loading and unloading can cause fatigue failure in the coupling. Ensure that the coupling’s rated fatigue life matches the application’s requirements and replace worn-out couplings promptly.

5. Installation Errors: Improper installation, such as insufficient tightening of set screws or improper keyway fitting, can lead to coupling slippage and failure. Follow the manufacturer’s guidelines for correct installation procedures.

6. Contamination: Foreign particles or debris can get trapped between the coupling’s mating surfaces, leading to uneven loading and premature wear. Keep the coupling and surrounding area clean to avoid contamination-related issues.

7. Temperature Extremes: Extreme temperature variations can affect the material properties of the coupling and lead to failure. Choose couplings rated for the temperature range of the application.

8. Vibration and Resonance: Excessive vibration or resonance can cause stress concentrations in the coupling, leading to fatigue failure. Dampen vibrations and resonance using appropriate mounting and isolation techniques.

9. Material Defects: Occasionally, manufacturing defects in the stainless steel coupling can cause premature failure. Source couplings from reputable manufacturers with a track record of quality and reliability.

Preventive Measures: To prevent failure and ensure optimal performance, consider the following preventive measures:

• Choose the right coupling type and size for the application’s torque and load requirements.
• Regularly inspect and maintain the coupling, checking for signs of wear, misalignment, or contamination.
• Ensure proper installation following the manufacturer’s guidelines.
• Monitor operating conditions and address any unusual vibrations or temperature variations promptly.
• Perform regular shaft alignment checks to avoid excessive misalignment.
• Use protective measures such as seals or covers to prevent contamination and corrosion.
• Monitor coupling fatigue life and replace worn-out couplings before they reach their fatigue limit.

By understanding the potential causes of failure and implementing appropriate preventive measures, users can increase the reliability and longevity of stainless steel couplings in their applications.

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 2024-02-04