Product Introduction

This curated assortment covers all mission-critical pneumatic, mechanical, sealing, and bearing components for the XJFH-5/25 pneumatic winch, including air control valves, precision steel balls, high-pressure gaskets, wear-resistant bearings, cylinder block baffles, fuel/air rings, gearbox glands, oil seals, and self-lubricating bearings. All parts undergo factory pressure and load testing validated for the winch’s rated pneumatic operating pressure and lifting load, with full material traceability and compliance with API and GB/T standards. The lineup features corrosion-resistant alloy steel structural parts, oil-resistant elastomer seals, precision-machined bearings, and heavy-duty fasteners, fully mapped to original XJFH-5/25 winch part numbers for simplified inventory management and emergency field repairs.
Functional Performance Specifications
These XJFH-5/25 pneumatic winch spare parts deliver industry-leading offshore reliability: OEM air valves and sealing rings provide 99.8% leak-free pneumatic operation with a service life of 20,000+ operating hours; precision bearings reduce friction wear by 45%, supporting smooth winch rotation under full load; high-pressure gaskets and oil seals maintain consistent pneumatic and lubrication sealing, preventing air loss and oil leakage; gearbox components withstand heavy lifting torque loads, and self-lubricating bearings eliminate frequent re-greasing, cutting routine maintenance time by 40%.
Structural & Material Features
- OEM Precision Manufacturing: All bearings, valves, and structural components are machined to tight tolerances (±0.0003 inch), matching original XJFH-5/25 winch assembly design specifications for perfect fitment.
- Corrosion & Wear Resistance: External components use marine-grade alloy steel, seals use oil/saltwater-resistant fluoroelastomer, and bearings use hardened carbon steel to withstand harsh offshore drill floor conditions.
- Modular Sealing Design: Combined gaskets, fuel rings, and air rings create a multi-stage sealing system for pneumatic cylinders, eliminating air leakage and maintaining stable winch power.
- Load-Bearing Construction: Reinforced bearings and gearbox components are rated for the winch’s full lifting capacity, absorbing heavy shock loads during lifting operations.
- Low-Maintenance Design: Self-lubricating bearings and durable seals reduce routine upkeep, ideal for remote drill floor and moonpool installations.
Applicable Operating Conditions
These spare parts are built for harsh offshore and onshore drilling environments, optimized for the XJFH-5/25 pneumatic winch deployed on drill floors and moonpools. They perform reliably in ambient temperatures ranging from -20°F to 140°F, resist exposure to saltwater, drilling mud, moisture, and heavy rig vibration, and comply with ATEX hazardous location safety standards for offshore drilling operations. All pneumatic components are rated for continuous high-pressure air duty to support consistent winch performance.
Maintenance & Service Recommendations
- Inspect air valves, gaskets, and air/fuel rings every 3 months for wear, swelling, or leakage; replace degraded components immediately to maintain pneumatic pressure and winch power.
- Check all winch bearings (6211, 6307, 42114, 6005-2Z) semi-annually for friction or damage; replace worn bearings to ensure smooth rotation and prevent overheating.
- Inspect gearbox glands and oil seals quarterly for lubricant leakage; replace faulty seals to preserve gearbox lubrication and extend gear life.
- Clean air distributing assemblies and cylinder block baffles every 6 months to remove debris, preventing air flow blockages and winch performance drops.
- Retorque all mounting fasteners to OEM torque specifications every 8,000 operating hours, replacing damaged hardware to prevent component loosening.
- Stock critical high-wear parts (gaskets, bearings, air valves, oil seals) at recommended minimum levels to avoid unplanned XJFH-5/25 winch shutdowns.
- We supply the following spare parts:
| Pneumatic Winches – XJFH-5/25 (F)ZP for Drill Floor (2x) and Moonpool (1x) (by Taian Juling Exploiting Equipment Co. LTD) | ||
| OEM Part-No. | UoM | Description / Наименование |
| XJFH-5/35-1100 | ea | Air valve (item 15 for Air Distributing Assembly XJFH-3/35-1000Y) |
| GB308-89 | ea | Steel ball – diameter 13 (item 16 for Air Distributing Assembly XJFH-3/35-1000Y) |
| XJFH-5/35-2015 | ea | Gasket (item 20 for Air Distributing Assembly XJFH-3/35-1000Y) |
| XJFH-5/35-1016 | ea | Gasket (item 23 for Air Distributing Assembly XJFH-3/35-1000Y) |
| GB/T276-94 | ea | Bearing 6211 (item 5 for Cylinder Block Assembly XJFH-3/35-2000) |
| XJFH-5/35-2009 | ea | Baffle (item 11 for Cylinder Block Assembly XJFH-3/35-2000) |
| XJFH-5/35-2015 | ea | Gasket (item 17 for Cylinder Block Assembly XJFH-3/35-2000) |
| XJFH-5/35-2016a | ea | Fuel ring (item 18 for Cylinder Block Assembly XJFH-3/35-2000) |
| XJFH-5/35-2017a | ea | Air ring (item 20 for Cylinder Block Assembly XJFH-3/35-2000) |
| XJFH-5/35-2014 | ea | Packing δ1 (item 26 for Cylinder Block Assembly XJFH-3/35-2000) |
| GB/T276-94 | ea | Antifriction bearing 6307 (item 16 for Gear Drive Assembly XJFH-3/35-3000) |
| GB/T276-94 | ea | Bearing 6211-2z (item 19 for Gear Drive Assembly XJFH-3/35-3000) (item 5 for Reel Assembly XJFH-3/35-4000b) |
| XJFH-5/35-3019 | ea | Gasket (item 21 for Gear Drive Assembly XJFH-3/35-3000) |
| XJFH-5/35-3014 | ea | Gasket (item 22 for Gear Drive Assembly XJFH-3/35-3000) |
| GB/T283-94 | ea | Antifriction bearing 42114 (item 3 for Reel Assembly XJFH-3/35-4000b) |
| PSQ-2001 | ea | Gland (item 4 for Gearbox Assembly PSQ-2000) |
| PSQ-2002 | ea | Gearbox gland (item 5 for Gearbox Assembly PSQ-2000) |
| ea | Oil seal 25x35x10 (item 6 for Gearbox Assembly PSQ-2000) | |
| GB/T276-1987 | ea | Bearing 6005-2Z (item 17 for Gearbox Assembly PSQ-2000) |
| ea | Self-lubricating bearing 3030 (item 18 for Slider Assembly PSQ-1000) | |
Field Failure Repair Case Studies
Case 1: Pneumatic Air Valve Leakage
An XJFH-5/25 winch suffered severe air leakage from a faulty air distributing valve, reducing lifting power. Installing the OEM XJFH-5/35-1100 air valve eliminated leakage, restoring full pneumatic winch performance.
Case 2: Winch Bearing Wear & Friction
Worn 6211 bearings in the gear drive assembly caused excessive friction and noisy winch operation, slowing lifting speed. Replacing the OEM precision bearings restored smooth, quiet rotation.
Case 3: Cylinder Block Gasket Degradation
A degraded cylinder block gasket led to air pressure loss, making the winch unresponsive. Swapping in OEM XJFH-5/35-2015 gaskets sealed the assembly, regaining full winch functionality.
Frequently Asked Questions (FAQ)
| Question | Answer |
| Are these parts exclusively compatible with the XJFH-5/25 pneumatic winch? | Yes, this catalog features OEM-matched parts engineered solely for the XJFH-5/25 (F)ZP pneumatic winch and its配套 subassemblies, with direct drop-in fitment. |
| Do these parts meet API 7K offshore drilling standards? | Absolutely, all components comply with API 7K drilling equipment standards and GB/T mechanical specifications, suitable for drill floor and moonpool use. |
| Can these bearings withstand heavy winch lifting loads? | Yes, the OEM precision bearings are rated to handle the XJFH-5/25 winch’s full rated lifting capacity, with high wear resistance for heavy-duty use. |
Procurement Guidance
This XJFH-5/25 pneumatic winch spare parts catalog serves as both a formal oilfield procurement benchmark and a hands-on technical troubleshooting reference, designed to eliminate the risks of substandard aftermarket parts that fail prematurely in harsh offshore conditions, reduce long-term winch maintenance expenses, and uphold the safety and operational reliability of your drill floor and moonpool lifting systems. Every part is a verified OEM-certified component that guarantees perfect fitment, consistent high-load performance, and full adherence to API, GB/T, and ATEX safety standards, making it the definitive resource for maintaining XJFH-5/25 pneumatic winches.