China Hot selling Stainless Steel Forged Fitting Straight Coupling ASTM A182 (F304, F309H, F310)

Product Description

Stainless Steel Forged Fitting Straight Coupling ASTM A182 (F304, F309H, F310)
Dimension
1/2″ to 4″(DN15~DN100)
Range(Wall Thickness):
3000LB to 9000LB
XS, Sch80, Sch160, XXS.
Standard                           
ASME/ANSI B16.11
MSS SP-79, MSS SP-83, MSS SP-114  
JIS B2316, JIS B2302 etc.
Material:
General Stainless steel, Super Stainless Steel, Duplex Stainless Steel (Ferritic-Austenitic Stainless Steel), Austenitic Stainless Steel, Martensitic Stainless Steel, Ferritic Stainless Steel. etc.
 
Material Grade(Only lists part):
 

TYPE ASTM EN/DIN JIS
General Stainless Steel A182:
F304, F304L, F304H, F304N, F304LN
F310, F310H, F310MoLN
F316, F316L, F316H, F316N, F316LN, F316Ti
F317, F317L
F321, F321H
F347, F347H, F347LN
F304/F304L, F316/F316L,
F317/F317L, F321/F321H.
F6a, F6b, F429, F430
S31727, S32053
F20, F44, F45, F46
F47, F48, F49, F56
F58, F62, F63, F64, F70
1.4301(X5CrNi1810)
1.4306(X2CrNi1911)
1.4301H(X5CrNBi1810H)
1.4311(X2CrNiN1810)
1.4845(X12CrNi2521)
1.4401(X5CrNiMo17122)
1.4404(X2CrNiMo171321)
1.4919(X6CrNiMo1713)
1.4406(X2CrNiMoN17122)
1.4571(X6CrNiMoTi17122)
1.4438(X2CrNIMo18164)
1.4449(X5CrNiMo1713)
1.4541(X6CrNiTi1810)
1.4541H(X6CrNiTi1810H)
1.4550(X6CrNiNb1810)
SUS304
SUS304H
SUS304L
SUS310
SUS310S
SUS316
SUS316H
SUS316L
SUS316Ti
SUS317
SUS317L
SUS321
SUS321H
SUS347
SUS347H
Duplex Steel A182:
F51(UNS S31803)
F53(UNS S32750)
F55(UNS S32760)
F60(UNS S32205)
F50, F52, F54, F57
F59, F61, F65, F66
F67, F68, F69, F71
 
1.4462(X2CrNiMoN22-5-3),
1.4410(X2CrNiMoN25-7-4)
1.4501(X2CrNiMoCuWN25-7-4)
SUS329J3L
SUS329J3LTB
SUS329J3LTP
Super Stainless Steel A182:
F904L(UNS N5714)
F44(UNS S31254 or 254SMO)
 
1.4539(X2NiCrMoCu25-20-5),
1.4547(X2NiCrMoCu20-18-7)
 
SUS890L

 

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stainless steel coupling

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.

stainless steel coupling

Reducing Vibrations and Noise in Mechanical Systems with Stainless Steel Couplings

Stainless steel couplings play a crucial role in reducing vibrations and noise in mechanical systems through the following mechanisms:

  1. Damping Properties: Stainless steel couplings often have inherent damping properties due to the elasticity of the material. When subjected to vibrations, the stainless steel absorbs and dissipates some of the vibrational energy, reducing the amplitude and impact of vibrations throughout the system.
  2. Flexibility: Stainless steel couplings are available in various designs, including flexible variants. The flexibility allows the coupling to accommodate slight misalignments between the shafts, which helps prevent the transmission of vibrations caused by misalignment to other system components.
  3. Resonance Avoidance: Resonance occurs when the natural frequency of a system matches the excitation frequency, leading to excessive vibrations. Stainless steel couplings with their inherent damping properties can help avoid resonance by absorbing and dissipating vibrational energy before it can build up and cause resonance.
  4. Isolation of Vibrations: Stainless steel couplings act as a mechanical buffer between connected shafts. They can isolate vibrations generated by one component from propagating to other parts of the system. This isolation prevents vibrations from affecting adjacent machinery or components, reducing the overall noise and vibration levels.
  5. Vibration Absorption: In systems where vibrations are prevalent, such as rotating machinery, the stainless steel coupling absorbs and dissipates some of the kinetic energy generated by the moving parts. This energy absorption helps prevent excessive vibrations from reaching critical levels, thus reducing noise and potential damage.
  6. Precision Manufacturing: High-quality stainless steel couplings are precisely engineered and manufactured, ensuring minimal runout and wobble during operation. Precise machining and balancing reduce dynamic forces that can contribute to vibrations and noise.

By effectively reducing vibrations and noise, stainless steel couplings contribute to smoother and quieter operation, extending the lifespan of mechanical components and improving overall system efficiency.

stainless steel coupling

Types of Stainless Steel Couplings

Stainless steel couplings come in various designs and configurations to suit different application requirements. Some common types of stainless steel couplings available in the market include:

1. Clamp-Type Couplings:

These couplings consist of two hubs with screws or clamps that tighten around the shafts to create a secure connection. Clamp-type couplings are easy to install and provide good torque transmission while accommodating shaft misalignments.

2. Oldham Couplings:

Oldham couplings have a unique three-piece design with two hubs connected by a center disk. The disk is made of a different material like acetal or nylon and allows for zero-backlash operation and misalignment compensation.

3. Jaw Couplings:

Jaw couplings are made of two hubs with elastomeric inserts, known as spider elements, that provide shock absorption and misalignment compensation. They are commonly used in pumps, compressors, and other machinery.

4. Disc Couplings:

Disc couplings consist of multiple thin stainless steel discs stacked together with spacer elements. They offer high torsional stiffness and are suitable for applications requiring high torque transmission and precision.

5. Bellows Couplings:

Bellows couplings use thin-walled stainless steel bellows to compensate for misalignments while maintaining a hermetic seal. They are commonly used in vacuum systems and applications requiring precision motion control.

6. Grid Couplings:

Grid couplings feature a flexible grid element between two hubs, providing excellent shock absorption and misalignment compensation. They are commonly used in heavy-duty applications.

7. Multi-Beam Couplings:

Multi-beam couplings have multiple beams that offer flexibility and compensate for misalignments while maintaining torsional stiffness. They are suitable for precise motion control applications.

Each type of stainless steel coupling has its unique advantages and is designed to meet specific performance criteria. When selecting a stainless steel coupling for a particular application, it is essential to consider factors like torque requirements, misalignment compensation, and environmental conditions to ensure optimal performance and longevity.

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China Hot selling Stainless Steel Forged Fitting Straight Coupling ASTM A182 (F304, F309H, F310)  China Hot selling Stainless Steel Forged Fitting Straight Coupling ASTM A182 (F304, F309H, F310)
editor by CX 2024-02-04

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