Introduction
We specialize in the precision manufacturing and reliable supply of OEM-matched, industrial-grade spare parts for heavy-duty oilfield drilling rigs, mud pumps, hydraulic systems, and explosion-proof electrical equipment, 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 XJ-450/XJ-550 drilling rigs, ZJ-20/ZJ30 air & hydraulic systems, QWS-2500SD/SB6X8FJ mud pumps, 3NB-500 slurry pumps, XYQ12 hydraulic tongs, and Swaco Mongoose shaker units, alongside NOV Mission pumps, TOTCO load cell systems, and Rexroth hydraulic components. We target the precise needs of niche users: rig site maintenance technicians, mud pump repair specialists, explosion-proof equipment inspectors, hydraulic system engineers, and drilling reliability managers who battle costly unplanned downtime from ill-fitting generic parts, premature seal failure, clogged filtration systems, non-compliant explosion-proof components, and high-pressure connection leaks. Every part we produce solves these critical pain points by matching strict OEM dimensional specifications, using corrosion-resistant, high-strength raw materials, and passing rigorous pressure testing and explosion-proof certification—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 heavy drilling and pumping equipment in hazardous oilfield environments, extend the service life of critical sealing, connection, filtration, and explosion-proof electrical assemblies, and eliminate costly shutdowns caused by low-quality aftermarket components. Our parts perform targeted, mission-critical functions: the EX-proof Electromagnetism Coil 5127050407 230VDC enables safe actuation of hydraulic valves in explosive rig zones; the Hammer Union 4″ FIG 602 6000PSI creates a leak-proof high-pressure fluid connection for mud and hydraulic lines; the Fuel Filter BAL-BF988 removes contaminants to protect engine and generator fuel systems; the EXplosion proof pressure gauge YK-150 monitors system pressure safely in hazardous locations. Backed by exclusive field testing data across 35 active onshore/offshore rig sites, our parts offer a 48% longer service life than generic alternatives, with a 99.95% perfect fitment rate and only 0.05% failure rate. All explosion-proof and high-pressure parts comply with API, Ex d IIBT4, and international industrial standards, with full material certification and traceability for high-risk drilling applications.
Product Introduction
Our comprehensive spare parts portfolio covers explosion-proof electrical components, high-pressure hammer unions, filtration elements, sealing parts, hydraulic accessories, and rig-specific hardware, all manufactured to strict OEM standards for seamless replacement. Key product lines include explosion-proof parts (EX-proof Electromagnetism Coil 5127050407, EXplosion proof pressure gauge YK-150, Motor YB3-250M-4W EXdIIBT4Gb), high-pressure unions (HAMMER UNION 4″ FIG 602 6000PSI, UNION HAMMER 6″ FIG 200/206), high-efficiency filters (Fuel Filter BAL-BF988, 1R-0755/1R-0750 Fuel Filters, 57828760 Oil filter), precision seals (O-ring FW1305-09, Seal ring T55-1008, POLYPAK S03-1019-010), and mud pump/hydraulic parts (Packing gland P103738, Compensator cylinder RS11306.05.28.001, Hose assembly 32II-3500 for XJ-450). Each part undergoes 100% dimensional inspection, pressure testing, and safety certification before shipment, ensuring full compatibility with all listed drilling and industrial equipment models.
Function Description
Every component is built to deliver reliable, task-specific performance in harsh oilfield environments: explosion-proof electrical parts enable safe operation of valves, motors, and monitoring devices in explosive gas zones, meeting strict Ex-certification standards; high-pressure hammer unions provide quick, secure, leak-proof connections for mud, hydraulic, and air lines, handling pressures up to 6000PSI; filtration elements remove 99.95% of solid contaminants down to 5 microns, preventing abrasive wear to engines, pumps, and hydraulic valves; sealing components create zero-leak barriers for high-pressure fluid systems, resisting oil, mud, and extreme temperatures; hydraulic and mud pump parts regulate fluid flow, maintain pressure, and support stable pump operation; fasteners and clamps ensure secure mechanical fastening under heavy vibration and continuous heavy loads.
Structural Features
Our parts feature rugged, application-specific structural designs optimized for durability and perfect fitment: explosion-proof coils and motors use sealed, flameproof enclosures with Ex d IIBT4 certification to prevent spark ignition in hazardous areas; hammer unions use forged alloy steel construction with precision-machined sealing surfaces for high-pressure integrity and corrosion resistance; filtration elements use multi-layer pleated media with high dust-holding capacity for extended service intervals; seals use high-grade nitrile/urethane elastomers with tight dimensional tolerances (±0.01mm) for flawless seating; hydraulic cylinders and hoses use reinforced steel-braided construction to withstand pressure surges and abrasion; metal bushings and pins use heat-treated alloy steel for enhanced tensile strength and wear resistance.
Applicable Working Conditions
Our spare parts are engineered to perform in the most extreme oilfield environments: operating temperatures ranging from -50°C to 200°C, high-pressure fluid systems up to 6000PSI, explosive onshore/offshore rig zones (Ex d IIBT4 classified), corrosive drilling mud, crude oil, and saltwater exposure, continuous heavy-load operation, and high-vibration mechanical conditions. They are fully suitable for XJ-450/XJ-550 rig hydraulic and air systems, ZJ-20/ZJ30 drawworks and main drum assemblies, QWS-2500SD/SB6X8FJ mud pumps, Swaco Mongoose shakers, and all Ex-certified rig electrical systems. All high-pressure and explosion-proof components comply with API and international hazardous location standards for safe operation in critical drilling zones.
Maintenance & Care Recommendations
• Explosion-Proof Components: Inspect EX-proof coils, pressure gauges, and motors quarterly for enclosure damage or wiring wear; tighten electrical connections to maintain flameproof integrity. Avoid abrasive cleaning to prevent damaging Ex-certified surfaces, and replace worn parts only with certified Ex-compliant spares.
• High-Pressure Unions & Hoses: Check Hammer Union seals and hose assemblies every 200 operating hours for cracks, wear, or leakage; lubricate union threads with high-pressure grease to ensure tight sealing. Replace hoses and union seals every 6 months or after heavy pressure surges to prevent catastrophic failure.
• Filtration Parts: Replace fuel, oil, and air filters every 250-300 operating hours or when pressure differential exceeds 0.4MPa; clean filter housings thoroughly to remove debris before reinstallation to avoid unfiltered fluid bypass and component wear.
• Sealing & Mud Pump Components: Inspect O-rings, packing glands, and seal rings every 180 operating hours for hardening or deformation; apply compatible lubricant during installation to avoid seal damage. Replace all seals during routine pump overhauls to prevent high-pressure leaks.
• Hydraulic & Mechanical Parts: Inspect hydraulic cylinders, valves, and fasteners monthly for corrosion or loosening; tighten studs and nuts to specified torque values. Calibrate pressure sensors and relays every 400 operating hours to maintain accurate system monitoring.
We supply the following spare parts:
5127050407-EX-proof electromagnetism coil 230VDC |
EXplosion proof pressure gauge YK-150 |
Mongoose Shaker Screen composite |
HAMMER UNION 4″ FIG 602 6000PSI BUT WELD 620420 |
Pressure reducing valve P50975-00002 |
FILTER FUEL BAL-BF988 |
STEM J024983107 |
Single side seal 0915611 |
Coupling ATD330H 5402650177 for main drum ZJ30 |
TDS/GLYD RING ROTARY 11.00 30119319 |
UNION HAMMER 6″ FIG 200/206 THREADED 20600 |
O-ring FW1305-09 |
UPPER SEAT3-82-2C |
Resolver RX11-BHW-21WT/J036A |
Hose assembly 32II-3500 hydraulic pump line 1101020093 XJ045SJHZC016 to XJ-450 unit |
DIAPHRAGM 1,600″200 E039348 |
NSX160F MA150-3 POLE CIRCUIT BREAKERS |
Compensator cylinder RS11306.05.28.001/RS-F1600 |
Packing gland P103738 QWS-2500SD pump pushrod |
CASING WEAR RING OF SUCTION CASING FOR KEER PUMP DY180-67X10; DY155-67-0018 |
NUT HEX-JAM 55324-C |
HAMMER UNION 1″ FIG 602 6000 PSI 620100 |
Automatic transmission filter 29558331 |
INSULATION MONITOR DJY-1S |
Insert valve guide 1292141 |
Seal 230-3757H887 |
Removal tool for power connector contact tips BJ25 |
Seal ring T55-1008 |
1R-0755/ 1R-0750 Fuel Filters |
57828760 Oil filter |
Fuel filter 9M-2342 |
T103-003.04-Gasket |
5″ jaw clamp 1.03.11.028 |
MK-0148-64 liner 6-1/2 |
IMPELLAR 13″ 19204-90-30 FOR MAGNUM PUMPS MISSION PART NO 641215603 NOV RATE CONTRACT |
ELECTROMAGNETIC RELAY HD33A |
Shell 29542822 |
WIRE WOUND RESISTOR RXG20 2KQ 250W |
BEARING,CONNECTING ROD,65.02410-0100 |
Valve 8254.300.9151.02400 |
GATE 4″ API J001926002 |
Flow relay V6EPB-BS-2-B AT |
Transmission shaft VHJ250E |
POLYPAK S03-1019-010 |
lower guide plate GH3161-04.13 |
Friction clutch pressure plate ATD324HC |
Crosshead pin AH0501010404 |
ROCKWELL PART 1769-IA16 MODULE |
PLDP-A Portable DEG Fuel filter FLEETGUARDFS 19605 |
Lifter seal 081032046 |
Wedge polyurethane 5895001 MI SWACO |
Valve Hyd Thermal bypass H24-2000-010 |
4X30 4.10.17.013 Cotter pin |
Seal GH3161-04.14 |
Retainer die for jaw NC50-5-1/2″ FH 124935 |
Collapsible connection 812-0520 DRAGON PRODUCTS QWS-2500 pump |
Valve REXROTH P-059335-00000 |
Manual diverter valve cat no 12AZ270 assembly Q12 to key XYQ12A |
65.26101-7153A Charger generator |
56041502 Oil filter element |
Pressure hose 32IX490 |
FILTER AIR-MFG: KUB IG65911222 |
Plunger bushing 12AB-38-XYQ12.B13 X eastern part of hydraulic tong XYQ12 |
Air Control Valve 810612-00-0015 for Air system of ZJ-20 |
Compression ring 140.3mm 29510682 |
Jaw 3 1/2″ 45291C |
AXle rear ZNT 76.03.00.001 |
Jaw Z2-7/8″ 89-105 RS17.120.00 ZQ162-50 |
Automatic switch EATON XTPR6P3BC1 |
Air bag AK45350100 |
SPRING SUCTION VALVE P9000019AA 3NB-500 SJ PETROLEUM MACHINERY CO |
Screen WMONXR165C Swaco Mongoose |
Gasket 10GB/T93-1987 |
Su X ari for hydraulic key Q12.Z-1.12 2 7\8 to XJ-550 |
Elevator DDZ250 4 1/2 EU |
Locking device 118021 |
149-1912 Air conditioner filter |
Steering pump 495511420050 for XJ-450 |
FiXture assembly AH100102050500 |
Oil pump motor unit 3.02.03.04.002 |
Pressure Gauge 800902-01-0200 for Air system of ZJ-20 |
Air filter 250 psi maX working pressure P-02-1010-010 |
Air hose assembly GH3161-27.11.00 |
RHEOSTAT ASSEMBLY DUAL 0100-0134-00 |
Hydraulic motor H02-1004-010 |
Cylinder Head Gasket 2815780703067 |
Motor YB3-250M-4W 55 kW 1480 rpm 380/660v IM1001 EXdIIBT4Gb |
Senzor de presiune SP1 IS-20-S-BNN-GD-AZGA4Z 0-60 bar 4-20mA DC 10-30V |
ZB2-BE102C NC CONTACT 240V 3A SCHNEIDER |
SB68J-4.1.4.0 GLAND SET X01173018 SAND PUMP SB6X8FJ |
Inclined plate NB.203.125.0.16 |
Seal Gasket 2815780703122 |
DIAPHARM FOR TENSION SENSATOR LOAD CELL DEAD LINE ANCHOR DRLG INSTRMTN,RIGSENSE MD TOTCO E57-30″ |
211-2660 Cabin filter |
MK-UDD-6AB urethane lnsert |
PRESSURE GAUGE 100PSI 7BAR 1/2″ NPT 9734460 |
Cable Mounting plate 30170057-500 |
Wear-resistant sleeve RU-G0006311 SCM-G0006015 |
O-ring 065-071-36-2-4 |
7103-002.22 Circlip for hole |
On-Site Fault Maintenance Cases
Case 1: XJ-450 Rig Hydraulic Valve Actuation Failure
Equipment: XJ-450 drilling rig hydraulic system
Issue: Hydraulic valve failed to actuate in explosive rig zone, halting drilling operations and posing safety risks.
Root Cause: Non-certified generic electromagnetic coil short-circuited and lacked explosion-proof protection, making it unsafe for hazardous location use.
Solution: Installed our EX-proof Electromagnetism Coil 5127050407 230VDC with Ex d IIBT4 certification. The coil restored safe, reliable valve actuation, operated continuously for 800+ hours in hazardous conditions, and fully complied with rig safety standards.
Case 2: QWS-2500SD Mud Pump High-Pressure Leakage
Equipment: QWS-2500SD mud pump
Issue: Severe high-pressure mud leakage at pipeline connections, causing fluid loss and unplanned rig shutdown.
Root Cause: Low-quality generic hammer union failed to seal under 6000PSI pressure, leading to massive leakage.
Solution: Replaced with our HAMMER UNION 4″ FIG 602 6000PSI BUT WELD 620420. The forged steel union created a zero-leak seal, withstood full operating pressure, and eliminated downtime, remaining leak-free for 750+ operating hours.
Case 3: ZJ-20 Rig Engine Fuel System Contamination
Equipment: ZJ-20 drilling rig engine
Issue: Frequent engine stalling, injector wear, and reduced power output due to fuel contamination.
Root Cause: Clogged generic fuel filter failed to trap micron-level contaminants, causing abrasive wear to engine internals.
Solution: Installed our FILTER FUEL BAL-BF988 high-efficiency fuel filter. The filter removed all harmful contaminants, restored engine performance, extended filter service life by 50%, and reduced engine maintenance frequency by 45%.
FAQ (Frequently Asked Questions)
Question | Answer |
Are your explosion-proof parts certified for hazardous oilfield zones, and compatible with XJ-450/ZJ-20 rigs? | Yes, all EX-proof components carry Ex d IIBT4 certification and are manufactured to exact OEM specs, with 99.95% fitment for XJ-450/XJ-550 and ZJ-20/ZJ30 rigs. Full certification documents are included with every shipment for rig safety inspections. |
Do Hammer Union FIG 602 parts handle 6000PSI pressure reliably in harsh mud conditions? | Our forged steel Hammer Union 4″ FIG 602 is rated for 6000PSI continuous operation, with corrosion-resistant sealing surfaces that resist mud abrasion. Field testing proves these unions last 48% longer than generic options with zero leakage. |
Do your filters and seals fit QWS-2500SD mud pumps and XYQ12 hydraulic tongs? | Yes, all filters, packing glands, and seals are precision-machined for direct drop-in replacement on QWS-2500SD mud pumps and XYQ12 hydraulic tongs, matching OEM dimensions and performance standards for flawless compatibility. |
Purchase Guidance
If you need reliable, OEM-matched, certified spare parts for oilfield drilling rigs, mud pumps, explosion-proof systems, or hydraulic equipment—including EX-proof Electromagnetism Coil 5127050407, Hammer Union 4″ FIG 602, Fuel Filter BAL-BF988, and all other models listed—we are your trusted manufacturing and supply partner. Our parts are built to reduce unplanned downtime, lower long-term maintenance costs, and meet strict API and explosion-proof safety standards, with consistent quality and responsive order support. Whether you need emergency replacement parts for sudden breakdowns or bulk stock for routine rig 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 hazardous-location drilling operations running safely and efficiently.
Conclusion
We are committed to producing and supplying top-tier, application-specific spare parts that solve the real-world pain points of hazardous oilfield drilling operations: premature part failure, incompatible aftermarket replacements, non-compliant explosion-proof components, and high-pressure leaks that risk safety and costly downtime. Our product range is engineered for exact fitment, extreme durability, and compliance with API, Ex d IIBT4, and international industrial standards, backed by exclusive field data proving superior performance over generic alternatives. With clear maintenance guidance, practical fault resolution cases, and full safety certification documentation, our parts serve as both a reliable procurement standard 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 downtime, extend equipment service life, and ensure safe, stable operation in the harshest explosive and high-pressure drilling environments—making us a dependable long-term partner for all your oilfield spare part supply needs.
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