China Professional 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

Proper Maintenance and Lubrication of Oil Couplings

Ensuring the longevity and optimal performance of an oil coupling requires following these maintenance and lubrication practices:

  • Regular Inspection: Conduct routine visual inspections to check for oil leakage, wear, and other signs of damage.
  • Cleanliness: Keep the coupling and its surroundings clean to prevent contamination of the oil and maintain proper lubrication.
  • Lubrication: Use the recommended lubricant with the appropriate viscosity and additives to ensure efficient power transmission and cooling.
  • Lubricant Level: Monitor the oil level and maintain it within the specified range to prevent overheating and ensure proper lubrication.
  • Lubricant Quality: Regularly analyze the lubricant’s condition through oil analysis to detect contamination, degradation, or excessive wear.
  • Temperature Monitoring: Keep track of operating temperatures to prevent overheating, which can degrade the lubricant and compromise coupling performance.
  • Drain and Replace: Follow the recommended oil change intervals and flush the system if necessary to remove any contaminants or degraded oil.
  • Seal Maintenance: Check and replace seals as needed to prevent oil leaks and maintain the integrity of the lubrication system.
  • Alignment: Ensure proper alignment between the driving and driven components to prevent excessive loads and premature wear.
  • Professional Maintenance: Engage in professional maintenance services at recommended intervals to address complex issues and ensure overall system health.

By adhering to these practices, you can maximize the service life and performance of your oil coupling, leading to improved machinery efficiency and reduced downtime.

fluid coupling

Types of Oils or Lubricants Used in Oil Couplings

Oil couplings typically use various types of oils or lubricants to facilitate power transmission and reduce friction between moving parts. The choice of oil depends on factors such as application, operating conditions, and temperature range. Some common types of oils used in oil couplings include:

  • Mineral Oils: These are traditional petroleum-based oils with good lubricating properties and stability under moderate temperature and load conditions.
  • Synthetic Oils: Synthetic oils are engineered lubricants with superior temperature stability, oxidation resistance, and reduced friction. They are often used in high-temperature or extreme conditions.
  • Biodegradable Oils: In environmentally sensitive applications, biodegradable oils are chosen for their eco-friendly properties and biodegradability.
  • High-Viscosity Oils: For heavy-duty applications or situations requiring high torque transmission, oils with higher viscosity are preferred to ensure proper lubrication and load-bearing capacity.
  • Specialty Oils: Certain applications may require specialty oils, such as fire-resistant oils for safety or food-grade oils for industries like food and beverage.

The selection of the appropriate oil or lubricant is critical to ensure efficient power transmission, heat dissipation, and overall coupling performance. Manufacturers and users should consult the coupling’s specifications and operating conditions to determine the most suitable oil type.

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 Professional Factory Casting UL/FM Ductile Iron Grooved Mechanical Flexible/Rigid Coupling  China Professional Factory Casting UL/FM Ductile Iron Grooved Mechanical Flexible/Rigid Coupling
editor by CX 2024-05-14


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