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China Professional Polyurethane Pin Coupling Cylinder Gasket Buffer Damper Flexible Elastic Sleeve

Product Description

Product Description

Polyurethane Pin Coupling Cylinder Gasket Buffer Damper Flexible Elastic Sleeve
The elastomer insert is equalizing element of coupling. It transmits torque without backlash or vibration. The elastomer insert defines the characteristics of the entire drive system. Backlash is eliminated by the press fit of the elastomer into the hubs. Through variation of the shore hardness of the elastomer insert, the coupling system can be optimized for the ideal torsional characteristics.

LT Pin Coupling Elastic Sleeve (Smooth Bushing)

Part No. Specification Ref. Picture
d D L
LT-8 8 16 10
LT-10 10 19 15
LT-12 12 24 28
LT-14 14 26 28
LT-18 18 35 36
LT-24 24 45 44
LT-30 30 56 56
LT-38 38 71 72
LT-45 45 85 88

ZT Pin Coupling Elastic Sleeve (Four Component Combined Elastic Sleeve)

Part No. d D L Ref. Picture
ZT-8 8 16 10
ZT-10 10 19 15
ZT-14 14 28 27
ZT-18 18 36 35
ZT-24 24 45 44
ZT-30 30 56 55
ZT-38 38 71 72
ZT-45 45 85 88

 

 

FT Pin Coupling Elastic Sleeve Ring (Splited Elastic Ring Gasket)

Part No. d D L Ref. Picture
FT-10 10 20 7
FT-12 12 24 7
FT-14 14 28 7
FT-14 14 29 7
FT-18 18 36 9
FT-18 18 38 9
FT-24 24 45 11
FT-24 24 48 11
FT-28 28 56 15
FT-30 30 56 15
FT-30 30 62 14
FT-38 38 71 18
FT-45 45 91 22
FT-45 45 85 23

Polyurethane Pin Coupling Cylinder Gasket Buffer Damper Flexible Elastic Sleeve

More Products:

Various types of couplings rubber elastomer models are as follows:

MT rubber coupling (MT1-MT13),

GR rubber coupling (GR10-GR180),

GS rubber coupling (GS7-GS90),

T Hexagon back wheel coupling (hexagonal elasticity pad T70 ~ 210).,

the fluid coupling (YOX),

L-type claw coupling hexagonal coupling (L35-L276),

H-type elastic block (H80-H350),

NM couplings elastomer (NM50 -NM214).

HRC Coupling elastomer (HRC60-HRC280).

Gear Sleeve Rubber Coupling Elastomer cushion (gear 4J-10J).

NL inner tooth gear coupling sleeve (NL1-NL10).

Oldham and non-standard high strength Spider rubber coupling. 

Main Products:

custom couplings Plum pad, HRC couplings, Martin couplings, HRC couplings supply elastomer, HRC couplings elastic block, Gear Sleeve Rubber Coupling Elastomer, block rubber supply couplings, coupling rubber parts, coupling is rubber body, ZheJiang custom rubber gear coupling, screw compressor couplings, rubber supply gear couplings, Atlas coupling, screw compressor coupling, ZheJiang  wholesale production of polyurethane gear, supply H-linking couplings, H-shaped elastic block coupling, H-type coupling rubber elastomer blocks

Please inquire us if you need Rubber Coupling Elastomer and other types couplings inserts.

Different  Types  Of  Hydraulic  Seals
Application Type Material
Rod Seals UN  TPU(PU,Polyurethane) 
UNS  TPU(PU,Polyurethane)
UHS  TPU(PU,Polyurethane)
IDU  TPU(PU,Polyurethane)
U+S  PU+NBR
UPH  NBR & FKM
Step Seal  NBR+PTFE
VES  Rubber+Fabric
IDI  PU
ISI  PU
Piston Seals SPG  NBR+PTFE
SPGW  NBR+PTFE
SPGO  NBR+PTFE
KDAS  NBR+PU+POM
ODI  PU
OSI  PU
ODU  PU
Dust Wiper Seals DH/DHS  PU
LBH  NBR & FKM 
J/JA  PU
DKB  NBR & FKM +Metal
DKBI  PU+Metal
DSI  PU
Wear Ring WR  Phenolic Fabric
Xihu (West Lake) Dis. Tape  PTFE
Xihu (West Lake) Dis. Tape  Phenolic Fabric
Buffer Seal HBY  PU+Nylon
Back-up Ring O-Ring  NBR & FKM
X-Ring  NBR & FKM
PTFE Washer  PTFE

Polyurethane Pin Coupling Cylinder Gasket Buffer Damper Flexible Elastic Sleeve

Different   Type   Rotary   Shaft   Oil   Seal
Type Material Lip Spring Feature
TC NBR & FKM Double Lips Single Metal Coverd Rubber
TB NBR Double Lips Single Metal Case
TA NBR Double Lips Single Metal Case
SC NBR & FKM Single Single Double Metal Shell
SB NBR Single Single Metal Case
SA NBR Single Single Double Metal Shell
DC NBR Double Lips Double Double Springs
VC NBR & FKM Single Without Metal Coverd Rubber
VB NBR Single Without Metal Case
TCV NBR Double Lips Single High Pressure
TCN NBR Double Lips Single High Pressure
PTFE PTFE Single & Double Lips Without Stainless steel
HTCL NBR & FKM Double Lips Single Inside thread L
HTCR NBR & FKM Double Lips Single Inside thread R
……………………………………………………………………………………………
More types please contact us. 
Customization is welcome.

Related Products

Polyurethane Pin Coupling Cylinder Gasket Buffer Damper Flexible Elastic Sleeve
Oil seals serve to prevent the leakage not only of lubricants, but also water, chemicals, and gas from “gaps” in machinery. Oil seals also serve to prevent the intrusion of dust, soil and sand from the outside air.

Company Profile

HangZhou CHINAMFG Sealing Sci-Tech Co., Ltd. is a scientific and technological production enterprise integrating R&D, production and sales. Our production plant covers an area of about 2,000 square CHINAMFG and has 150 employees.

QMS (Quality Management System):
ISO9001, ISO/TS16949

Our Products: 
O Ring, Oil Seal, Hydraulic & Pneumatic Seal, Custom CHINAMFG Parts

Production Standard: 
ASTMD2000

Product Application Scope:
Engineering machinery, hydraulic pneumatic, petroleum and natural gas, automobile seals, valves and pipelines, electronic home appliances, food grade, electric power, chemical industry, coal mine, metallurgy, engineering shield machine and other industries, supporting domestic automobile and machinery manufacturers.

We had sell to:  
More than 40 countries including the United States, Germany, Japan, Britain, Italy, Spain, Russia, Canada, Australia, Malaysia, Philippines, Indonesia, Mexico, Brazil, Peru, Chile, Argentina, Israel, Saudi Arabia, Lebanon, Ukraine, Pakistan, Thailand, Vietnam, etc. 

Packaging & Shipping

Polyurethane Pin Coupling Cylinder Gasket Buffer Damper Flexible Elastic Sleeve
Ship by express, by air, by sea at buyer’s option.
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FAQ

Q 1. What’s the payment term?
A: We accept T/T 50% deposit and 50% balance against copy of B/L or L/C at sight, West Union,VISA,Paypal is also accepted. rubber oil seal tc oil seal rubber seal manufacturer oil seal tc nbr oil seal tc oil seal fkm oil seal china manufacturer oil seal tc oil seal nbr tc oil seal fkm tc oil seal manufacturer
Q 2. What is the normal lead time for product orders?
A: Generally it is 1-2 days if the goods are in stock. or it is 5-10 days if the goods are not in stock, it is according to quantity.tc oil seal tc oil seal nbr tc oil seal nbr rubber oil seal fkm oil seal fkm rubber oil seal manufacture china oil seal

 tc oil seal tc oil seal nbr tc oil seal nbr rubber oil seal fkm oil seal fkm rubber oil seal manufacture china oil seal manufacture

 Q 3. What is your standard packing?
A: All the goods will be packed by carton box and loaded with pallets. Special packing method can be accepted when needed.rubber oil seal tc oil seal rubber seal manufacturer oil seal tc nbr oil seal tc oil seal fkm oil seal china manufacturer oil seal tc oil seal nbr tc oil seal fkm tc oil seal manufacturer

Q 4. Could you please tell us the month capacity of your products ?
A: It depends on which model, we produce more than 2500 tons rubber materials per month.

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Q 5. what kind of certificates you have ?
A1: We have been ISO9001:2008 and ISO14001:2004 certified by SGS since 2015.
A2: We have various rubber compounds approved by ROHS and REACH.

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Q6: How to check the quality of the bulk order?
A1: We provide preproduction samples before mass production for all customers if needed.
A2: We accept third party inspection such as TUV, INTERTEK, BV, etc.

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Q 7: Do you use any international standards for the rubber products?
A: Yes, we mainly use ASTM D2000 standard to define the quality of the rubber materials, tolerances as per ISO3302, ISO2768, etc.rubber oil seal tc oil seal rubber seal manufacturer oil seal tc nbr oil seal tc oil seal fkm oil seal china manufacturer oil seal tc oil seal nbr tc oil seal fkm tc oil seal manufacturer

Q8: What materials are available to produce from your side?
A: NBR, EPDM, SILICONE, FPM(FKM), NEOPRENE(CR), NR, IIR, SBR, ACM, AEM, Fluorosilicone(FVMQ), FFKM, Liquid Silicone, Sponge, etc. tc oi
l seal tc oil seal nbr tc oil seal nbr rubber oil seal fkm oil seal fkm rubber oil seal manufacture china oil seal manufacture

Q9: Do you provide maintenance on tooling?
A: We maintain all tooling and will replace as needed.tc oil seal tc oil seal nbr tc oil seal nbr rubber oil seal fkm oil seal fkm rubber oil seal manufacture china oil seal manufacture

Q10: How many empolyees you have?
A:We have 150 empolyees at time of December 2571. tc oil seal tc oil seal nbr tc oil seal nbr rubber oil seal fkm oil seal fkm rubber oil seal manufacture china oil seal manufacture

If you have any other question, please don’t hesitate to contact us:

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flexible coupling

What are the maintenance-free options available for flexible couplings?

Several maintenance-free options are available for flexible couplings, designed to reduce or eliminate the need for regular maintenance and lubrication. These options offer long-lasting performance and reliability while minimizing downtime and operational costs. Below are some maintenance-free options for flexible couplings:

1. Maintenance-Free Elastomeric Couplings: Elastomeric couplings with a specific design and materials can be maintenance-free. These couplings often incorporate high-quality elastomeric elements that do not require periodic lubrication. The elastomeric material provides damping of shocks and vibrations and allows for misalignment compensation, making them suitable for various applications without the need for regular maintenance.

2. Non-Lubricated Metallic Couplings: Some metallic couplings are designed to operate without the need for lubrication. These couplings use self-lubricating materials or specialized coatings that reduce friction between moving parts, eliminating the need for manual lubrication. They can handle high torque and speed requirements while providing reliable performance over extended periods without maintenance.

3. Pre-Lubricated Couplings: Certain flexible couplings come pre-lubricated during manufacturing. These couplings have grease or lubricant already applied to the critical components, providing sufficient lubrication for an extended period of operation. As a result, users do not need to perform regular lubrication maintenance, reducing maintenance tasks and associated costs.

4. Sealed Couplings: Some flexible couplings are designed with integrated seals or shields that protect internal components from contaminants and prevent lubricant leakage. These sealed couplings are inherently maintenance-free, as they ensure long-lasting performance without the need for external maintenance or re-lubrication.

5. Non-Wearing Materials: Certain flexible couplings are constructed using non-wearing materials, such as high-performance polymers. These materials offer excellent resistance to wear and abrasion, reducing the need for maintenance and replacement due to wear-related issues.

6. Torque-Responsive Couplings: Some maintenance-free couplings are designed to disengage or slip when the torque exceeds a certain threshold. This feature protects the connected equipment from excessive loads, preventing damage and reducing the need for maintenance or repairs caused by overload conditions.

Summary: Maintenance-free options for flexible couplings are available, offering reliable and long-lasting performance without the need for regular maintenance and lubrication. These couplings utilize specialized materials, designs, and features to handle various operating conditions while minimizing downtime and operational costs. Selecting a maintenance-free coupling that suits the specific application requirements can significantly improve the overall efficiency and reliability of the mechanical system.

flexible coupling

What are the common signs of wear and failure in flexible couplings?

Flexible couplings can experience wear and failure over time, which may lead to operational issues and potential equipment damage. Some common signs of wear and failure in flexible couplings include:

  • Excessive Vibrations: An increase in vibrations during operation can indicate wear or misalignment in the flexible coupling. Excessive vibrations can also lead to additional wear on connected equipment.
  • Strange Noises: Unusual noises, such as squealing, rattling, or clunking sounds, may indicate misalignment, fatigue, or damaged elements in the flexible coupling.
  • Increased Heat: If a flexible coupling is operating at a higher temperature than usual, it could indicate increased friction due to wear or improper lubrication.
  • Visible Damage: Physical inspection may reveal visible signs of wear, such as cracks, tears, or distortion in the flexible coupling’s components.
  • Reduced Performance: A decrease in the performance of the connected machinery, such as lower speed or torque transmission, may be a sign of coupling wear.
  • Looseness or Play: Excessive play or looseness in the coupling may indicate worn or damaged components, which can lead to misalignment and decreased efficiency.
  • Leakage: In the case of fluid-filled couplings, leakage of the fluid can indicate seal damage or wear in the coupling.
  • Cracks or Corrosion: Cracks or signs of corrosion on metallic components of the coupling can indicate material fatigue or exposure to harsh environmental conditions.
  • Uneven Wear: Uneven wear patterns on coupling elements or unusual wear at specific points can be indicative of misalignment or excessive torque.
  • Increased Friction: If the flexible coupling starts to exhibit increased resistance or friction during operation, it may be a sign of wear or inadequate lubrication.

Regular maintenance and inspection are essential to identify these signs of wear and failure early on and prevent further damage to the flexible coupling and connected equipment. Timely replacement or repair of worn or damaged components can help maintain the reliability and efficiency of the system.

flexible coupling

How do you select the appropriate flexible coupling for a specific application?

Choosing the right flexible coupling for a specific application requires careful consideration of various factors to ensure optimal performance, reliability, and longevity. Here are the key steps to select the appropriate flexible coupling:

  1. Application Requirements: Understand the specific requirements of the application, including torque and speed specifications, misalignment conditions, operating environment (e.g., temperature, humidity, and presence of corrosive substances), and space limitations.
  2. Torque Capacity: Determine the maximum torque that the coupling needs to transmit. Choose a flexible coupling with a torque rating that exceeds the application’s requirements to ensure a safety margin and prevent premature failure.
  3. Misalignment Compensation: Consider the type and magnitude of misalignment that the coupling needs to accommodate. Different coupling designs offer varying degrees of misalignment compensation. Select a coupling that can handle the expected misalignment in the system.
  4. Vibration Damping: If the application involves significant vibrations, choose a flexible coupling with good damping properties to reduce vibration transmission to connected equipment and improve system stability.
  5. Environmental Factors: Take into account the environmental conditions in which the coupling will operate. For harsh environments, consider couplings made from corrosion-resistant materials.
  6. Torsional Stiffness: Depending on the application’s requirements, decide on the desired torsional stiffness of the coupling. Some applications may require high torsional stiffness for precise motion control, while others may benefit from a more flexible coupling for shock absorption.
  7. Cost and Life-Cycle Considerations: Evaluate the overall cost-effectiveness of the coupling over its expected life cycle. Consider factors such as initial cost, maintenance requirements, and potential downtime costs associated with coupling replacement.
  8. Manufacturer Recommendations: Consult coupling manufacturers and their technical specifications to ensure the selected coupling is suitable for the intended application.
  9. Installation and Maintenance: Ensure that the selected flexible coupling is compatible with the equipment and shaft sizes. Follow the manufacturer’s installation guidelines and recommended maintenance practices to maximize the coupling’s performance and longevity.

By following these steps and carefully evaluating the application’s requirements, you can select the most appropriate flexible coupling for your specific needs. The right coupling choice will lead to improved system performance, reduced wear on equipment, and enhanced overall reliability in various mechanical systems and rotating machinery.

China Professional Polyurethane Pin Coupling Cylinder Gasket Buffer Damper Flexible Elastic Sleeve  China Professional Polyurethane Pin Coupling Cylinder Gasket Buffer Damper Flexible Elastic Sleeve
editor by CX 2024-04-30