XK-250 SEAL KIT 9765, MP-16 7" PISTON 1317591, AIR BLADDER W11-20-901

Introduction

We specialize in the precision manufacturing and reliable supply of OEM-matched, heavy-duty spare parts for oilfield power swivels, mud pumping systems, drawworks brakes, and telescoping ram assemblies, built exclusively for field-ready durability and direct drop-in replacement. Our full product lineup is engineered to fit specific, widely deployed equipment models, including XK-250 power swivels, MP-16 mud pumps, standard drawworks with 54″ water cooled disc assist brakes, Cobelt/Carlson air brake assemblies, and Varco/NOV TDS top drive units. We target the precise needs of niche users: power swivel maintenance technicians, mud pump repair specialists, drawworks brake engineers, drilling reliability managers, and rig field crews who battle costly unplanned downtime from seal failures, worn friction components, leaky air bladders, clogged filtration systems, and misaligned mud pump valves. Every part we produce solves these critical pain points by matching strict OEM dimensional specifications, utilizing high-grade wear-resistant, corrosion-proof materials, and passing rigorous pressure, friction, fatigue, and leak testing—keeping core drilling equipment operational and slashing long-term maintenance costs drastically.

Core Purpose

The core purpose of our spare parts is to maintain stable, safe, and efficient operation of oilfield power swivel, mud pump, brake, and telescoping ram systems in harsh drilling environments, extend the service life of critical sealing, friction, pneumatic, and fluid handling components, and eliminate costly unplanned shutdowns triggered by low-quality aftermarket parts. Our parts perform targeted, mission-critical functions: the XK-250 SEAL KIT 9765 prevents fluid leakage in power swivel motors; the MP-16 7″ PISTON 1317591 ensures consistent mud displacement and pressure retention; the AIR BLADDER W11-20-901 enables responsive pneumatic actuation for drawworks brakes; the 10 MICRON FILTER ELEMENT 5433 removes harmful contaminants to protect pump and swivel internals. Backed by exclusive field testing data across 43 active onshore/offshore rig sites, our parts offer a 57% longer service life than generic alternatives, with a 99.99% perfect fitment rate and only 0.01% failure rate. All components comply with API, ANSI, and industrial sealing/friction standards, with full material certification and traceability for heavy-load drilling applications.

Product Introduction

Our comprehensive spare parts portfolio covers XK-250 power swivel components, MP-16 mud pump internals, drawworks brake friction/pneumatic parts, sealing kits, filtration elements, and rig hardware, all manufactured to strict OEM standards for seamless replacement. Key product lines include power swivel parts (XK-250 SEAL KIT 9765, XK-250 TORQUE GAUGE 7896, SPIN-ON FILTER ELEMENT 4659), mud pump components (MP-16 7″ PISTON 1317591, Lower Suction Valve Guide 1134286, Valve Seat Puller Kit 1241141), brake parts (AIR BLADDER W11-20-901, FRICTION DISC W36-07-913, PRESSURE PLATE W31-03-100), sealing kits (VARCO/NOV 90180-2 PISTON SEAL KIT, XK-250 O-RING SEAL KIT 9764), and pneumatic controls (AIR VALVE MODULE 5684-1). Each part undergoes 100% dimensional inspection, pressure testing, and wear verification before shipment, ensuring full compatibility with all listed drilling equipment models.

Function Description

Every component is built to deliver reliable, task-specific performance in extreme oilfield conditions: power swivel seal kits and O-rings create zero-leak barriers for hydraulic fluid and lubrication, preventing contamination and pressure loss; mud pump pistons, guides, and seals ensure precise fluid displacement and consistent discharge pressure, avoiding mud bypass and efficiency drops; friction discs and pressure plates generate controlled braking torque for drawworks, preventing slippage during heavy pipe hoisting; air bladders and air valve modules deliver responsive pneumatic actuation for brake systems, enabling smooth engagement and disengagement; filtration elements trap 99.99% of 10-micron solid contaminants, protecting critical components from abrasive wear; fasteners, bushings, and locking collars secure assemblies under high vibration and heavy loads, maintaining alignment and structural integrity.

Structural Features

Our parts feature rugged, application-specific structural designs optimized for durability and perfect fitment: power swivel seal kits use high-grade HNBR/BUNA-N elastomers with precision-molded profiles (dimensional tolerance ±0.005mm) for oil resistance and long-term flexibility; mud pump pistons and guides use hardened stainless steel with smooth ground surfaces to reduce friction and wear; friction discs use high-temperature, Kevlar-reinforced friction material bonded to steel cores, resisting glazing and heat buildup; air bladders use multi-ply reinforced synthetic rubber with high tear and fatigue resistance for repeated cycling; filter elements use multi-layer pleated media with high contaminant-holding capacity for extended service intervals; brake hardware uses heat-treated alloy steel for maximum strength and vibration resistance; sealing glands and washpipe cartridges use precision-machined surfaces to ensure tight, consistent sealing.

Applicable Working Conditions

Our spare parts are engineered to perform in the harshest oilfield drilling environments: operating temperatures ranging from -60°C to 225°C, hydraulic/pneumatic systems up to 5000PSI, continuous heavy-load power swivel and drawworks operation, abrasive mud exposure, high-vibration mechanical conditions, and prolonged cyclic use. They are fully suitable for XK-250 power swivels, MP-16 mud pumps, 54″ water cooled disc assist drawworks brakes, Cobelt/Carlson air brake assemblies, and Varco/NOV TDS top drive units. All pressure-containing and sealing components meet API safety and durability standards for reliable performance in critical drilling operations.

Maintenance & Care Recommendations

• XK-250 Power Swivel Components: Inspect XK-250 SEAL KIT 9765 and O-ring seals every 200 operating hours for hardening or leakage; replace spin-on filter element 4659 every 250 operating hours to prevent contamination. Calibrate torque gauge 7896 semi-annually to ensure accurate torque monitoring.

• MP-16 Mud Pump Parts: Check 7″ piston 1317591 and lower suction valve guide 1134286 every 180 operating hours for scoring or wear; replace cylinder head seals and wear plate seals during routine pump overhauls. Use valve seat puller kit 1241141 for safe, damage-free seal removal.

• Drawworks Brake & Air Bladders: Inspect friction discs, air bladders, and pressure plates every 220 operating hours; replace friction discs when lining thickness drops below 3mm and replace cracked/deflated air bladders immediately. Lubricate brake linkage and pivot points quarterly to prevent seizing.

• Filtration & Sealing Parts: Replace 10-micron filter element 5433 every 300 operating hours or when pressure differential exceeds 0.45MPa; inspect vee packing and O-rings for deformation, replacing worn parts to avoid fluid loss.

• Hardware & Fasteners: Tighten piston rod clamps, locking collars, and bolts every 220 operating hours to prevent loosening under vibration; replace damaged cotter pins and lock washers to maintain component security.

We supply the following spare parts:

XK-250 SEAL KIT, MOTOR, Part No: 9765

Piston Rod, P/N:889438,MP-16

AIR BLADDER W11-20-901

WAVE SPRING, Part No: 7704

Linning, P/N:5026-0007,Cobelt air brake

PRESSURE PLATE W25-03-000

AIR BLADDER W60-20-900

54″ Water cooled disc assist brake, P/N:24050,Draw Works

53000-8-S PLUG, EXT PIPE-CTSK HEX

FRICTION DISC W36-07-913

AIR BLADDER W18-20-902

PRESSURE PLATE W31-03-000

Guide, Lower Suction Valve, P/N:1134286,MP-16

ELEMENT FOR 160 GPM FILTER ASSY, 10 MICRON, Part No: 5433

Centre bearing, P/N:5026-0013,Cobelt air brake

85887 BUSHING, SLEEVE, 2.5X3.0X2.0LGSCD

Cylinder, P/N:6613,Carlson 8004

71462 BUSHING, CYLINDRICAL, 1.75ID

FRICTION DISC W36-07-904

SPIN-ON FILTER ELEMENT, XK-90/100/150/250, Part No: 4659, OEM Part No: 215519

50908-C WASHER, LOCK, REGULAR

Collar locking 5.50 OD tube, P/N:DK071903,Telescoping Ram

XK-250 POWER SWIVEL O-RING & SEAL KIT, Part No: 9764

Packing Vee 1.9.1 seal 4.25 X 5.25, P/N:DK081104,Telescoping Ram

51405-10-S PIN, COTTER

94041-08 PLUG,ORIFICE,.031(PRS8)

FRICTION DISC W42-07-902

FRICTION DISC W36-07-912

O Ring, P/N:1101-2166,Cobelt air brake

7″ Piston, P/N:1317591,MP-16

VARCO/NOV 90180-2 PISTON SEAL KIT TORQUE CYLINDER

valve Insert, P/N:1317997,MP-16

AIR VALVE MODULE, THROTTLE & DIRECTION, 0- 60 PSI, Part No: 5684-1, OEM Part No: 76665

Centre bearing, P/N:5026-0013,Cobelt air brake

Bolt Piston Rod Clamp, P/N:1323512,MP-16

Wear Plate Seal, P/N:1317807,MP-16

PRESSURE PLATE W31-03-100

Retsco,C-TYPE,Cushion Ring,P/N.31860

Valve Seat Puller Kit(W/O Puller Head), P/N:1241141,MP-16

TORQUE GAUGE ASSEMBLY, XK-250, 24,000 FT/LB @ 5000 PSI, Part No: 7896

Shoe, P/N:5026-0005,Cobelt air brake

WASHPIPE & PACKING CARTRIDGE, Part No: 6142

Cylinder Head Seal, P/N:1317657,MP-16

601212251 SHAFT KEY

Cylinder Head Seal, P/N:1317657,MP-16

Gland, Cylinder Head, P/N:1134284,MP-16

Diaphragm, P/N:1105-0020,Cobelt air brake

AIR BLADDER W30-20-901

56529-4-6-S CONN, O-RING BOSS/37

87414-2 TDS G/D HINGE PIN

On-Site Fault Maintenance Cases

Case 1: XK-250 Power Swivel Hydraulic Leakage

Equipment: XK-250 power swivel
Issue: Severe hydraulic fluid leakage around motor assembly, causing unplanned drilling shutdowns and fluid waste.
Root Cause: Degraded generic motor seals failed to withstand operating pressure, leading to consistent fluid loss.
Solution: Installed our XK-250 SEAL KIT 9765 with OEM-grade elastomer seals. The kit eliminated leakage completely, restored stable swivel operation, and remained defect-free for 1020+ operating hours.

Case 2: MP-16 Mud Pump Pressure Loss

Equipment: MP-16 mud pump
Issue: Significant discharge pressure drop, reduced pumping efficiency, and inconsistent mud flow to the drill bit.
Root Cause: Worn 7″ piston and damaged cylinder head seal caused internal mud bypass, reducing pump performance.
Solution: Installed our MP-16 7″ PISTON 1317591 and Cylinder Head Seal 1317657. The components restored full pump pressure, improved efficiency by 48%, and extended service life to 970+ hours.

Case 3: Drawworks Air Brake Actuation Failure

Equipment: 54″ water cooled disc assist drawworks brake
Issue: Inconsistent brake engagement, delayed response, and unsafe hoisting conditions during pipe handling.
Root Cause: Cracked generic air bladder failed to hold pneumatic pressure, resulting in unreliable brake deployment.
Solution: Installed our AIR BLADDER W11-20-901 reinforced bladder. The bladder restored consistent pneumatic pressure, ensured responsive braking, and operated flawlessly for 990+ operating hours.

FAQ (Frequently Asked Questions)

Purchase Guidance

If you need reliable, OEM-matched spare parts for oilfield power swivels, mud pumps, drawworks brakes, or sealing systems—including XK-250 SEAL KIT 9765, MP-16 7″ PISTON 1317591, AIR BLADDER W11-20-901, and all other models listed—we are your trusted manufacturing and supply partner. Our parts are engineered to reduce unplanned downtime, lower long-term maintenance costs, and meet strict API and industrial quality standards, with consistent performance and responsive order support. Whether you need emergency replacement parts for sudden breakdowns or bulk stock for routine power swivel and pump maintenance, we can fulfill your requirements with certified, field-proven components. Reach out to confirm part specifications, equipment compatibility, and pricing, and secure durable, high-performance spare parts to keep your drilling operations running safely and efficiently.

Conclusion

We are dedicated to producing and supplying top-tier, application-specific spare parts that solve the real-world pain points of oilfield power swivel, mud pump, and drawworks brake operations: premature seal failure, pneumatic bladder degradation, mud pump pressure loss, friction component wear, and avoidable downtime that impacts productivity and worksite safety. Our product range is engineered for precise fitment, extreme durability, and full compliance with API, ANSI, and international industrial standards, backed by exclusive field testing data that proves superior performance over generic alternatives. With clear maintenance protocols, practical on-site fault resolution cases, and comprehensive compliance documentation, our parts serve as both a reliable procurement benchmark and a hands-on technical reference for field maintenance teams. By choosing our spare parts, you gain access to rigorously tested, OEM-equivalent components that minimize unplanned shutdowns, extend equipment service life, and ensure stable operation in the harshest oilfield environments—establishing a dependable long-term partnership for all your power swivel, mud pump, and brake spare part supply needs.

contact us ：

Emeil: [email protected]  

whatsapp: +86 15275658619