China supplier Factory Casting UL/FM Ductile Iron Grooved Mechanical Flexible/Rigid Coupling

Product Description

Product Description

 Factory Casting UL/FM Ductile Iron Grooved Mechanical Flexible/Rigid Coupling

Ductile iron grooved pipe fittings and couplings (FM and UL approved) mainly including 2 kinds of grooved products:
(1) the pipe fittings function on connecting and sealing such as rigid coupling, flexible coupling, mechanical tee and grooved flange,
(2) the pipe fittings function on connecting and transition such as bend, tee, cross, reducer.

 

Specification

 

Name Rigid coupling, Flexible coupling, 90° Elbow, 45° Elbow, 22.5° Elbow, 11.25° Elbow, Split Flange, Adaptor Flange, Cap
Tee, Reducing Tee(Grooved/Threaded), Mechnical Tee(Grooved/Threaded), U-bolted Mechnical Tee
Cross, Reducing Cross(Grooved/Threaded), Mechnical Cross(Grooved/Threaded)
Reducer(Grooved/Threaded), Grooved Eccentric Reducer
H.S. CODE 735710000
Technology Casting
Connections Grooved-Thread End, Grooved End
Pressure Rate 300PSI / 2.07MPa
Size 1” – 12”
Pipe O.D. 33.7MM – 323.9MM
Surface Finish Epoxy Powder,Painting,Galvanization,Dacromet (in Red/Orange/Blue/White Color)
Design Standard American Standard ANSI/ASTM
European Standard EN
British Standard BS
Germany Standard DIN
Japanese Standard JIS
ISO Standard ISO
Thread Standard ASME B.1.20.1 / EN15716 / DIN2999 / ISO7-1 / ISO228 / IS554 / BS EN15716 / BS 21.173
Material Standard Ductile Iron confirms to ASTM A-536 Gr65-45-12,EN1563,JIS G5502,QT450-12
Gasket Material EPDM,NBR or Silicon Rubber
Bolts & Nuts ISO 898-1class 8.8
Flanges Standard PN series or Class series
Packages Plywood Cases or Plywood Pallets or Boxes
Application Fire Fighting System,Petrochemical & Gas Industry,Chemical,Machinery,Electric Power,Construction Water Works,Valve Industry,etc.
Advantages High Quality + Ready Stock + Faster Delivery + Customized
Brand LMP
Certificate ISO9001,API,CE,UL/FM

 

 

 

Company Profile

 

 

We are a leading manufacturer of pipe fittings and valves establised in 1996
1.  We have over 20 years experience in exporting pipeline products.
2.  5 factories,complete 100+ projects every year.
3.  Your 1 more good choice for better customer service.

Certifications

FAQ

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fluid coupling

Protection Against Leaks and Contamination in Oil Couplings

Oil couplings are designed with various features and practices to prevent leaks and contamination, ensuring their reliable operation:

  • Sealing Mechanisms: High-quality seals and gaskets are used at critical points to prevent oil leakage and entry of contaminants.
  • Seal Maintenance: Regular inspection and replacement of seals and gaskets help maintain their integrity and prevent leaks.
  • Enclosures: Some oil couplings are housed within protective enclosures that shield them from external debris, dust, and moisture.
  • Oil Filtration: Some systems incorporate oil filtration units to remove contaminants and particles from the oil before it enters the coupling.
  • Oil Analysis: Regular oil analysis helps monitor the condition of the lubricant and detect contaminants or degradation early.
  • Proper Installation: Precise installation and alignment reduce the risk of seal damage and misalignment-related leaks.
  • Clean Environment: Maintaining a clean operating environment minimizes the likelihood of contaminants entering the coupling.
  • Oil Reservoir Design: Well-designed reservoirs and chambers within the coupling can prevent oil from escaping and contaminants from entering.
  • Seal Design: Advanced seal designs with protective features can provide enhanced resistance to leaks and contamination.

Through these protective measures, oil couplings can effectively safeguard against leaks and contamination, ensuring their continued performance and reliability.

fluid coupling

Industry Standards and Guidelines for Oil Couplings

While there are no specific industry standards or guidelines exclusively dedicated to oil couplings, their design and usage often fall within broader standards related to mechanical power transmission components. Some relevant standards include:

  • ISO Standards: International Organization for Standardization (ISO) standards, such as ISO 9001 for quality management systems and ISO 14691 for industrial fans, provide general guidelines that may apply to oil coupling manufacturers.
  • AGMA Standards: The American Gear Manufacturers Association (AGMA) produces standards related to various types of mechanical power transmission equipment, which could encompass aspects of oil coupling design and manufacturing.
  • API Standards: The American Petroleum Institute (API) develops standards for equipment used in the oil and gas industry, which may include guidelines for components like oil couplings.

Additionally, manufacturers and users of oil couplings should follow best practices, engineering principles, and guidelines for lubrication and maintenance to ensure optimal performance and longevity of the coupling.

fluid coupling

Types of Oil Couplings for Specific Uses

Oil couplings come in different variations, each designed to suit specific applications and operating conditions. Some common types include:

  • 1. Constant-Fill Fluid Couplings: These couplings maintain a constant level of fluid, providing consistent torque transmission and smooth operation. They are often used in applications requiring precise control and constant torque delivery.
  • 2. Variable-Fill Fluid Couplings: These couplings allow for variable fluid levels, enabling adjustable torque transmission and speed control. They find applications in situations where speed modulation is essential, such as conveyors and certain industrial processes.
  • 3. Start-Up Fluid Couplings: These specialized couplings provide high torque during startup, helping heavy machinery overcome initial inertia. Once the machinery is up to speed, the coupling allows for smooth and efficient power transmission.
  • 4. Slip Torque Limiters: These couplings are designed to protect equipment from sudden overloads. They slip when the torque exceeds a preset limit, preventing damage to the machinery.
  • 5. Centrifugal Couplings: These couplings use centrifugal force to engage and disengage the transmission of torque based on the rotational speed. They are commonly used in applications like lawn mowers and other small machinery.
  • 6. Fan Fluid Couplings: These couplings are often used in cooling systems for fans and blowers. They allow for variable speed operation and protect the equipment from sudden load changes.
  • 7. Torque Converters: While technically a type of fluid coupling, torque converters are commonly used in automotive applications. They provide variable torque multiplication and enable smooth shifting in automatic transmissions.

The choice of oil coupling type depends on factors such as the desired torque characteristics, speed control requirements, and the specific demands of the application.

China supplier Factory Casting UL/FM Ductile Iron Grooved Mechanical Flexible/Rigid Coupling  China supplier Factory Casting UL/FM Ductile Iron Grooved Mechanical Flexible/Rigid Coupling
editor by CX 2024-05-07


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