China Hot selling ISO2531/En545/En598 Ductile Iron Pipe Fitting Universal Dismantling/Expansion Joint

Product Description

LAMAT PIPING – Ductile Iron Valves & Fittings
Items Ductile Iron Valves Ductile Iron Fittings
Name Gate Valve,Check Valve,Globe Valve,Butterfly Valve Flange Adaptor,Dismantling Joint,Double Socket,Bend
Ball Valve,Foot Valve,Air Valve,Strainer,Fire Hydrant Tee,Cross,Repair Coupling,Reducer,Cap,Flanges
H.S. Code 8481804090 735710000
Pressure PN10,PN16,PN25 PN10,PN16,PN25,PN40
Technology Casting Casting
Surface Finish Paint Coating, FBE Coating (Blue,Red,Silver, …) FBE Coating, BiHangZhou Coating
Standard DIN 3352-F4 ,DIN 3352-F5, BS5163, AWWA C509 / C515 ISO2531,EN545,EN598,BS4772,EN12842,AWWA C110 / C153
End Connection Flanged,Socketed,Threaded Flanged,Socketed
Flanges Drilling DIN2501,BS4504,ANSI B16.5,SABS1123,BS10 DIN2501,BS4504,ANSI B16.5,SABS1123,BS10,Multi-Drilled
Body Material Ductile Iron – GGG40,GGG45,GGG50;Cast Iron – GG20,GG25,GG30 Ductile Iron – GGG40,GGG45,GGG50
Bonnet Material Ductile Iron – GGG40,GGG45,GGG50;Cast Iron – GG20,GG25,GG30  
Stem Material Stainless Steel – 2CR13,SS304,SS316,SS420  
Wedge Material Ductile Iron – GGG40,GGG45,GGG50;Cast Iron – GG20,GG25,GG30  
Sealing Material EPDM / NBR / Stainless / Brass / Bronze  
Bolts & Nuts Carbont Steel with Zinc, SS304, SS316 Carbont Steel with Zinc, SS304, SS316
Size DN40 – DN900(Resilient Seal) / DN40 – DN900(Metal Seal) DN40 – DN2600
Packages Plywood Cases + Plywood Pallets + Boxes
Application Petrochemical & Gas Industry,Chemical,Machinery,Electric Power,Ship Building,Construction Water Works,Valve Industry.
Advantages High Quality + Ready Stock + Faster Delivery + Customized
Brand LMP
Certificate ISO9001,API,CE,UL/FM,WRAS

 

Company Profile

Factory & Workshop Show

Production Process Show

Packaging & Shipping

Canton Fair & Exhibitions

FAQ

Q0: Are you a factory or trading company?
A: We are a factory mainly producing pipe fittings & flanges. We also have cooperated factories to supply other piping products.
 
Q1: How do your Control the Quality?
A: We have QA & QC department who will follow up all the producing process to make sure we’re supplying correctly.
 
Q2: What Machines are you using for Manufacturing and Machining?
A: We have Forging/Stamping Machine,CNC Machine,Hole-Drilling Machine,Sandblasting Machine. All producing is in our factory except Galvanization.
 
Q3: Can we get Samples for Testing?
A: Yes,sapmles are supplied free of charge.
 
Q4: Can you accept OEM & marking our LOGO?
A: Yes,no problem if you can provide Authorization.
 
Q5: Can you offer Drawings & Datasheets?
A: Yes,Drawings & Datasheets will be sent for your confirmation before Bulk Production.
 
Q6: Can you supply MTC with EN15714 3.1/3.2 Certificate?
A: Yes,MTC will be provided after production is finished.
 
Q7: Can we visit your factory to inspect the goods before delivery?
A: Yes sure. Welcome to our factory,and we also accept Third Party Inspection like SGS,TUV,BV,etc.
 
Q8: Can you combine goods from our other suppliers to ship together?
A: Yes,we’d like to assist you to ship together to save your time and money.
 
Q9: How long is your Delivery Time?
A: It depends on quantity and products. It can be delivered in 1 week if we have Ready-Stock; if not,the General Production Time is 25 – 50 Days.
 
Q10: What’s your Payment Terms?
A: Currently we’re working with our clients under T/T,L/C,O/A,Western Union,etc.

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Connection: Screwed
Kind: Corrugated Compensator
Type: Horizontal
Head Code: Round
Material: Iron
Surface Treatment: Epoxy
Samples:
US$ 0/Piece
1 Piece(Min.Order)

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Request Sample

Customization:
Available

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Customized Request

universal joint

What is the role of needle bearings in a universal joint?

Needle bearings play a critical role in the operation of a universal joint. Here’s a detailed explanation:

A universal joint, also known as a U-joint, is a mechanical coupling that allows the transmission of rotational motion between two misaligned shafts. It consists of a cross-shaped component with needle bearings positioned at each end of the cross.

The role of needle bearings in a universal joint is to facilitate smooth rotation and efficient power transmission while accommodating the misalignment between the shafts. Here are the key functions of needle bearings:

  1. Reducing Friction: Needle bearings are designed to minimize friction and provide a low-resistance interface between the rotating components of the universal joint. The needle-like rollers in the bearings have a large surface area in contact with the inner and outer raceways, distributing the load evenly. This design reduces frictional losses and ensures efficient power transmission.
  2. Accommodating Misalignment: Universal joints are often used to transmit motion between shafts that are not perfectly aligned. Needle bearings are capable of accommodating angular misalignment, allowing the shafts to operate at different angles while maintaining smooth rotation. The flexibility of the needle bearings enables the universal joint to compensate for misalignment and transmit torque without excessive stress or wear.
  3. Supporting Radial Loads: In addition to transmitting torque, needle bearings in a universal joint also provide support for radial loads. Radial loads are forces acting perpendicular to the shaft’s axis, and the needle bearings are designed to handle these loads while maintaining proper alignment and rotation. This capability is particularly important in applications where the universal joint experiences varying loads or vibrations.
  4. Enhancing Durability: Needle bearings are designed to withstand high-speed rotation, heavy loads, and demanding operating conditions. They are typically made of hardened steel or other durable materials that offer high strength and wear resistance. The robust construction of the needle bearings ensures long-lasting performance and reliability in the universal joint.
  5. Providing Lubrication: Proper lubrication is crucial for the smooth operation and longevity of needle bearings. Lubricants, such as grease or oil, are applied to the needle bearings to reduce friction, dissipate heat, and prevent premature wear. The lubrication also helps to protect the bearings from contamination and corrosion, especially in marine or harsh environments.

Overall, needle bearings in a universal joint enable efficient power transmission, accommodate misalignment, support radial loads, enhance durability, and require proper lubrication. They are essential components that contribute to the smooth and reliable operation of the universal joint in various applications, including automotive drivelines, industrial machinery, and aerospace systems.

universal joint

Can universal joints be used in heavy-duty machinery and equipment?

Yes, universal joints can be used in heavy-duty machinery and equipment. Here’s a detailed explanation:

Universal joints are widely employed in various industrial applications, including heavy-duty machinery and equipment. They offer several advantages that make them suitable for such applications:

  • Flexibility: Universal joints are designed to transmit torque and accommodate angular misalignment between shafts. This flexibility allows for the transmission of power even when the shafts are not perfectly aligned, which is often the case in heavy-duty machinery where misalignment can occur due to structural deflection, thermal expansion, or other factors.
  • Torque Transmission: Universal joints are capable of transmitting significant amounts of torque. The torque capacity of a universal joint depends on factors such as its size, design, and the materials used. In heavy-duty machinery, where high torque levels are common, appropriately sized and robust universal joints can effectively handle the required torque transmission.
  • Compactness: Universal joints are compact in design, allowing them to be integrated into tight spaces within machinery and equipment. Their compactness enables efficient power transmission in applications where space constraints are a concern.
  • Durability: Universal joints can be manufactured from materials that provide high strength and durability, such as alloy steels or stainless steels. This durability allows them to withstand heavy loads, harsh operating conditions, and repetitive motion, making them suitable for heavy-duty machinery and equipment.
  • Cost-Effectiveness: Universal joints are often a cost-effective solution for torque transmission in heavy-duty machinery. Compared to alternative power transmission methods, such as gearboxes or direct drives, universal joints can offer a more economical option while still providing adequate performance and reliability.

However, it’s important to consider the specific requirements and operating conditions of the heavy-duty machinery when selecting and implementing universal joints. Factors such as the torque levels, rotational speed, angular misalignment, operating temperature, and maintenance practices should be carefully evaluated to ensure that the chosen universal joints are appropriately sized, rated, and maintained for reliable and safe operation.

In summary, universal joints can indeed be used in heavy-duty machinery and equipment. Their flexibility, torque transmission capabilities, compactness, durability, and cost-effectiveness make them a viable choice for power transmission in a wide range of heavy-duty applications.

universal joint

Can you provide examples of vehicles that use universal joints?

Universal joints are commonly used in various types of vehicles for transmitting torque between shafts that are not in a straight line or are at an angle to each other. Here are some examples of vehicles that use universal joints:

  • Automobiles: Universal joints are widely used in automobiles for transmitting torque from the engine to the rear wheels in rear-wheel drive vehicles. They are commonly found in the driveline, connecting the transmission or gearbox to the driveshaft, and in the driveshaft itself. Universal joints are also used in front-wheel drive vehicles for transmitting torque from the transaxle to the front wheels.
  • Trucks and commercial vehicles: Universal joints are utilized in trucks and commercial vehicles for transmitting torque between various components of the drivetrain. They can be found in the driveshaft, connecting the transmission or gearbox to the rear differential or axle assembly.
  • Off-road vehicles and SUVs: Universal joints are extensively used in off-road vehicles and SUVs that have four-wheel drive or all-wheel drive systems. They are employed in the driveline to transmit torque from the transmission or transfer case to the front and rear differentials or axle assemblies.
  • Military vehicles: Universal joints are utilized in military vehicles for transmitting torque between different components of the drivetrain, similar to their use in trucks and off-road vehicles. They provide reliable torque transfer in demanding off-road and rugged environments.
  • Agricultural and construction machinery: Universal joints are commonly found in agricultural and construction machinery, such as tractors, combines, excavators, loaders, and other heavy equipment. They are used in the drivelines and power take-off (PTO) shafts to transmit torque from the engine or motor to various components, attachments, or implements.
  • Marine vessels: Universal joints are employed in marine vessels for transmitting torque between the engine and the propeller shaft. They are used in various types of watercraft, including boats, yachts, ships, and other marine vessels.
  • Aircraft: Universal joints are utilized in certain aircraft applications, such as helicopters, to transmit torque between the engine and the rotor assembly. They allow for angular displacement and smooth transmission of power in the complex rotor systems of helicopters.
  • Industrial machinery: Universal joints find applications in various types of industrial machinery, including manufacturing equipment, conveyors, pumps, and other power transmission systems. They enable torque transmission between non-aligned or angularly displaced shafts in industrial settings.

Please note that the specific usage of universal joints may vary depending on the vehicle design, drivetrain configuration, and application requirements. Different types of universal joints, such as single joint, double joint, constant velocity (CV) joint, or Cardan joint, may be employed based on the specific needs of the vehicle or machinery.

China Hot selling ISO2531/En545/En598 Ductile Iron Pipe Fitting Universal Dismantling/Expansion Joint  China Hot selling ISO2531/En545/En598 Ductile Iron Pipe Fitting Universal Dismantling/Expansion Joint
editor by CX 2024-02-06

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