China Hot selling Restraint Multi-Function Single-Section Stainless Steel Pipe Coupling

Product Description

1. Briefs : 

*  Mainly used for varied pipe connection
*  Specific designed for plastic pipe such as PE, PVC, PPR, HDPE pipe 
*  Suit for water, gas, industry pipeline 

2. Features :

*   used for connection of 2 plastic pipe or the connection between plastic pipe and metalic pipe
*   also used for the leaking pipe repair 
*   allow angular deflection and provide restraint 
*   anticorrosive
*    easy installation and disassembly 

3.  Dimension Sheet : 
 

S/N O. D Range Working Pressure Clamp Length (mm) Size D Size H Bolt Bolt Torque
  mm bar Normal(L1) Extended(L2) mm mm mm Nm
1 17-19 32 57   35 55 M6 10
2 21-23 32 57   45 65 M6 10
3 24.5-25.5 32 57   50 70 M6 10
4 26-28 32 57   50 70 M6 10
5 31.5-32.5 32 57   55 75 M6 10
6 33-35 32 57   55 75 M6 10
7 39.5-41.5 32 57   55 75 M6 10
8 42-44 32 57 100 65 85 M6 15
9 44-45 32 57 100 66 86 M6 15
10 47-49 32 57 100 70 90 M6 15
11 53.6-54.6 32 57 100 70 90 M8 30
12 56.3-57.7 32 57 100 80 100 M8 30
13 59-62 32 80 139 85 105 M8 30
14 62-64 32 80 139 85 105 M8 30
15 75-78 28 80 139 100 120 M8 30
16 79-81 28 80 139 100 120 M8 30
17 88-92 28 107 203 110 130 M10 50
18 106-110 28 107 203 130 150 M10 50
19 109-111 28 107 203 130 150 M10 50
20 112-116 28 107 203 135 155 M10 50
21 116-119 28 107 203 140 160 M10 50
22 123-126 28 107 203 150 185 M10 50
23 131-134 28 107 203 160 190 M10 50
24 137-143 28 116 203 165 195 M12 80
25 157-161 24 116 203 185 215 M12 80
26 163-167 24 116 203 190 215 M12 80
27 166-170 24 116 203 195 225 M12 80
28 168-172 24 116 203 195 225 M12 80
29 198-201 16 155 255 240 270 M14 100
30 217-221 16 155 255 250 280 M14 100
31 250-254 16 155 255 285 315 M14 100
32 271-275 16 155 255 305 335 M14 100
33 313-317 14 155 255 340 375 M14 100
34 323-327 14 155 255 355 385 M14 100
35 354-358 14 155 255 385 420 M14 100
36 375-379 14 155 255 410 440 M14 100

Note: we accept your specific dimensions which are not included in the above list .

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stainless steel coupling

What Industries Commonly Use Stainless Steel Couplings, and Why?

Stainless steel couplings are widely used in various industries due to their excellent properties and benefits. Some of the common industries where stainless steel couplings find significant usage include:

  • Food and Beverage: Stainless steel couplings are prevalent in the food and beverage industry because of their high corrosion resistance and hygienic properties. They are suitable for applications where the coupling may come into contact with water, food products, or cleaning agents.
  • Chemical Processing: In chemical processing plants, stainless steel couplings are preferred for their resistance to chemical corrosion. They can handle various chemicals and aggressive substances, making them suitable for pumps, mixers, and other equipment in the chemical industry.
  • Pharmaceutical: The pharmaceutical industry requires equipment that meets strict hygiene standards. Stainless steel couplings are easy to clean, durable, and resist contamination, making them ideal for pharmaceutical manufacturing processes.
  • Oil and Gas: In the oil and gas sector, stainless steel couplings are used in pipelines, compressors, and drilling equipment due to their ability to withstand harsh and corrosive environments, especially in offshore drilling operations.
  • Marine: Stainless steel couplings are widely used in marine applications because of their resistance to saltwater corrosion. They are found in propulsion systems, winches, and other marine equipment.
  • Aerospace: In the aerospace industry, where weight and reliability are crucial, stainless steel couplings are used in aircraft engines and other critical components to provide high-performance power transmission.
  • Pulp and Paper: The pulp and paper industry requires equipment that can handle the moisture and chemical-laden environment of paper mills. Stainless steel couplings are corrosion-resistant and suitable for various applications in this industry.
  • Power Generation: In power plants, stainless steel couplings are used in turbines, generators, and other equipment that require reliable power transmission and resistance to harsh operating conditions.
  • Mining: The mining industry utilizes stainless steel couplings in conveyor systems, crushers, and other equipment that requires high durability and resistance to abrasive materials.

In summary, stainless steel couplings are chosen for their corrosion resistance, durability, and reliability. They offer the ability to withstand challenging environments and ensure smooth power transmission, making them a preferred choice in a wide range of industries.

stainless steel coupling

Differences Between Stainless Steel Couplings and Aluminum or Carbon Steel Couplings

Stainless steel couplings, aluminum couplings, and carbon steel couplings are commonly used in various industrial applications, but they differ in their material properties, performance characteristics, and suitability for specific environments. Here are the key differences between these types of couplings:

  1. Material Composition:
  2. – Stainless Steel Couplings: Stainless steel couplings are made from alloyed steel containing a minimum of 10.5% chromium. This chromium content creates a passive oxide layer that provides excellent corrosion resistance.

    – Aluminum Couplings: Aluminum couplings are made from aluminum, a lightweight metal known for its high strength-to-weight ratio. Aluminum offers good corrosion resistance but is not as resistant as stainless steel.

    – Carbon Steel Couplings: Carbon steel couplings are made from plain carbon steel, which has a higher carbon content. While carbon steel offers good strength and toughness, it is more susceptible to corrosion than stainless steel or aluminum.

  3. Corrosion Resistance:
  4. – Stainless Steel Couplings: Stainless steel couplings offer the highest level of corrosion resistance among the three materials. They are well-suited for use in corrosive environments, such as marine applications or food processing, where protection against rust and chemical exposure is essential.

    – Aluminum Couplings: Aluminum couplings provide moderate corrosion resistance, but they are not recommended for highly corrosive environments or applications with exposure to acidic or alkaline substances.

    – Carbon Steel Couplings: Carbon steel couplings have the lowest corrosion resistance of the three materials and may require additional coatings or treatments to protect against rust and corrosion.

  5. Strength and Durability:
  6. – Stainless Steel Couplings: Stainless steel couplings offer excellent strength and durability, making them suitable for heavy-duty applications and environments with high mechanical loads.

    – Aluminum Couplings: Aluminum couplings are lightweight and have good strength but may not be as durable as stainless steel or carbon steel couplings.

    – Carbon Steel Couplings: Carbon steel couplings provide good strength and toughness, but they may not be as durable as stainless steel couplings in corrosive environments.

  7. Weight:
  8. – Stainless Steel Couplings: Stainless steel couplings are heavier than aluminum couplings but comparable to or slightly lighter than carbon steel couplings.

    – Aluminum Couplings: Aluminum couplings are the lightest among the three materials, making them suitable for applications where weight reduction is a priority.

    – Carbon Steel Couplings: Carbon steel couplings are heavier than aluminum couplings but offer higher strength and load-bearing capacity.

  9. Temperature Tolerance:
  10. – Stainless Steel Couplings: Stainless steel couplings can withstand a wide range of temperatures, making them suitable for both high-temperature and cryogenic applications.

    – Aluminum Couplings: Aluminum couplings have good thermal conductivity but may not be suitable for extremely high-temperature applications.

    – Carbon Steel Couplings: Carbon steel couplings have good temperature tolerance but may be limited in extremely high-temperature or cryogenic environments.

The choice of coupling material depends on the specific requirements of the application, such as the operating environment, load capacity, and corrosion resistance needed. Stainless steel couplings are often preferred for applications where corrosion resistance and durability are paramount, while aluminum couplings are chosen for their lightweight properties. Carbon steel couplings find use in applications requiring good strength and moderate corrosion resistance.

stainless steel coupling

Corrosion Resistance of Stainless Steel Couplings in Harsh Environments

Yes, stainless steel couplings are highly resistant to corrosion and rust in harsh environments. This exceptional corrosion resistance is a result of the specific composition of stainless steel, which includes chromium as a major alloying element.

Chromium forms a protective layer of chromium oxide on the surface of the stainless steel, which acts as a barrier against oxygen and other corrosive elements. This passive layer prevents the metal beneath from coming into direct contact with the surrounding environment, effectively shielding the coupling from corrosion and rust.

In harsh environments where the coupling is exposed to moisture, chemicals, high temperatures, or saltwater, the corrosion-resistant properties of stainless steel ensure that the coupling remains unaffected by the corrosive agents. This makes stainless steel couplings suitable for applications in marine environments, chemical processing plants, wastewater treatment facilities, and other settings where conventional materials may succumb to corrosion over time.

Stainless steel couplings can also withstand frequent washdowns and cleaning processes without deteriorating, making them an excellent choice for industries with strict hygiene requirements, such as food and pharmaceutical manufacturing.

Overall, the ability of stainless steel couplings to resist corrosion and rust in harsh environments enhances their longevity and ensures reliable performance, making them a preferred choice for critical industrial applications.

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China Hot selling Restraint Multi-Function Single-Section Stainless Steel Pipe Coupling  China Hot selling Restraint Multi-Function Single-Section Stainless Steel Pipe Coupling
editor by CX 2024-01-12

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Stainless Steel Coupling

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