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500/125 Oilfield Air Tube Clutch - Heavy-Duty Transmission from China Suppliers and Factory for Drilling Equipment
Product Specifications
| Chinese Model | 500/125 |
| Temperature Rating | -20°C to 70°C |
| Clutch Rim Material | 45# Steel (Equivalent to AISI 1045) |
| Air Tube Material | Nitrile Rubber (NBR) |
| Service Life | Under normal operating conditions, the air tube typically lasts 1~3 years, the friction plate assemblies provides 3,000~5,000 working hours, while the steel rim can remain in service for more than 10 years; with proper maintenance, the overall service life of the clutch can be significantly extended. |
| Application | This pneumatic clutch is widely applied across the oil and gas drilling industry as a critical component of rig power transmission systems. Its primary applications include: |
| Rotary Tables | Smooth torque delivery for stable drilling rotation. |
| Drawworks | Precise engagement and controlled braking during hoisting operations. |
| Mud Pumps | Reliable power transfer for high pressure fluid circulation. |
| Offshore and Onshore Rigs Transmission System | Proven adaptability to extreme environments, including HPHT (high pressure, high temperature) conditions. |
| Third Party Witness & Inspection Report Available | Bureau Veritas (BV), CCS, ABS, SJS etc. |
Product Features
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High Torque Transmission Capable of reliably transmitting large torque loads, suitable for high power drilling applications.
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Air-Controlled Engagement Inflatable air bladder ensures progressive engagement and disengagement, reducing shock loads on the drivetrain.
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Durable Construction Fabric-reinforced rubber element with steel driving plates, engineered for long service life under continuous operation.
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Serviceability Modular design allows convenient replacement of friction elements and air tube without dismantling major assemblies.
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Operational Safety Built-in release mechanism prevents over inflation and ensures stable pressure control.
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Compliance Manufactured under oilfield industry standards and Chinese GB industry standards, ensuring global compatibility and interchangeability.
OEM Equivalent / Compatible Product Part Numbers
By combining a high strength structural design with ease of maintenance, the 500/125 pneumatic clutch offers drilling contractors a dependable solution that enhances rig uptime, reduces maintenance costs, and ensures compliance with international safety standards.
Product Details
Frequently Asked Questions (FAQ)
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Q What is the 500/125 pneumatic clutch used for?The 500/125 pneumatic clutch is a critical power transmission component widely used in oil and gas drilling rigs. It is applied in rotary tables, drawworks, mud pumps, and both offshore and onshore rig transmission systems, delivering reliable torque transfer under demanding operating conditions.
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Q What is the expected service life of the 500/125 pneumatic clutch?Under normal operating conditions, the air tube typically lasts 1–3 years, the friction plate assemblies provide 3,000–5,000 working hours, and the steel rim can remain in service for more than 10 years. With proper maintenance, the overall service life can be significantly extended.
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Q What materials are used in the construction of this clutch?The clutch rim is made from 45# Steel (equivalent to AISI 1045), providing high structural strength and durability. The air tube is manufactured from Nitrile Rubber (NBR), which offers excellent resistance to oil and temperature variations within the rated range of -20°C to 70°C.
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Q Can the friction elements and air tube be replaced without full disassembly?Yes. The 500/125 pneumatic clutch features a modular design that allows convenient replacement of friction elements and the air tube without dismantling major assemblies. This significantly reduces downtime and lowers maintenance costs during rig operations.
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Q Is the 500/125 clutch suitable for HPHT (high pressure, high temperature) environments?Yes. The clutch has proven adaptability to extreme environments, including HPHT conditions encountered in both offshore and onshore drilling operations. Its robust construction and reliable pressure control mechanism make it well-suited for these demanding applications.
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Q What third-party inspection certifications are available for this product?Third-party witness and inspection reports are available from recognized international certification bodies including Bureau Veritas (BV), CCS, ABS, and SJS, ensuring the product meets global quality and safety standards.