China OEM 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 .
 

 

Our stock

Storage

Exhibition

Packaging&Shipping

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.

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stainless steel coupling

Can Stainless Steel Couplings Handle Misalignment Between Shafts Effectively?

Yes, stainless steel couplings are designed to handle certain degrees of misalignment between shafts effectively. While they may not provide as much flexibility as some elastomeric couplings, stainless steel couplings can accommodate angular, parallel, and axial misalignments to a certain extent.

Angular Misalignment:

Stainless steel couplings can tolerate small angular misalignments between the shafts. Angular misalignment occurs when the axes of the connected shafts are not perfectly aligned. Stainless steel couplings can handle these slight deviations and still transmit torque efficiently. However, excessive angular misalignment can cause additional stress on the coupling and may lead to premature wear or failure.

Parallel Misalignment:

Stainless steel couplings can also accommodate parallel misalignment, which occurs when the shafts are not perfectly aligned along their axis but run parallel to each other. They can compensate for minor deviations and allow smooth rotation between the shafts. However, if the parallel misalignment is beyond the coupling’s rated capacity, it can lead to increased loads on the coupling and the connected equipment.

Axial Misalignment:

Stainless steel couplings can handle limited axial misalignment, where the shafts have slight axial displacement along their common axis. The coupling’s design may allow for some axial movement without compromising performance. However, it is essential to ensure that the axial misalignment does not exceed the coupling’s specified limits to avoid detrimental effects.

It is important to select the appropriate stainless steel coupling type and size based on the specific misalignment requirements of the application. Regular inspection and maintenance can also help identify and address any misalignment issues early on, ensuring the coupling continues to operate effectively and with minimal wear.

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

Advantages of Stainless Steel Couplings in Various Applications

Stainless steel couplings offer several advantages that make them suitable for a wide range of applications in diverse industries:

1. Corrosion Resistance:

The primary advantage of stainless steel couplings is their exceptional resistance to corrosion. They can withstand exposure to moisture, chemicals, and aggressive environments, making them ideal for applications in marine, chemical processing, and food industries.

2. Durability:

Stainless steel couplings are known for their strength and durability. They can handle high loads and provide reliable performance over extended periods, reducing the need for frequent replacements and lowering maintenance costs.

3. Hygienic Properties:

In industries like food, pharmaceuticals, and healthcare, stainless steel couplings are preferred due to their hygienic properties. They are easy to clean and maintain, ensuring that the transmission of power does not pose any risk of contamination.

4. Temperature Resistance:

Stainless steel couplings can operate efficiently over a wide temperature range, making them suitable for both low-temperature and high-temperature applications.

5. Versatility:

Stainless steel couplings can be used with different types of shaft materials without causing galvanic corrosion. This compatibility allows for flexibility in coupling selection for various equipment setups.

6. Aesthetic Appeal:

Stainless steel has an attractive, polished surface finish, which enhances the visual appeal of equipment where the couplings are visible.

7. Reduced Maintenance:

Thanks to their corrosion resistance and durability, stainless steel couplings require minimal maintenance, resulting in cost savings and increased uptime.

8. Safety and Reliability:

Stainless steel couplings offer high reliability in critical applications, ensuring safe and uninterrupted operation of machinery.

9. Resistance to Wear and Tear:

Stainless steel couplings resist wear and tear caused by frequent start-stop cycles or shock loads, ensuring consistent performance over time.

Overall, stainless steel couplings are favored in applications where corrosion resistance, strength, and reliability are crucial. Their versatility and ability to perform well in challenging environments make them a valuable component in a wide range of industrial machinery and equipment.

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editor by CX 2024-02-19

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