Introduction
In oilfield drilling, well workover, and fluid management operations, every spare part—from a small O-ring to a heavy-duty flange or precision encoder—directly impacts equipment reliability and operational safety. A mismatched gasket, worn bearing, or faulty valve can trigger unplanned downtime, expensive repairs, and even safety hazards that put your team and operations at risk. Our supply focuses on high-quality, equipment-specific spare parts, including key models like NOV TDS-10SH Blank flange 87196-8-S, Rexroth Valve R431005003 (P-059335-00000), and Centrifugal Pump Bearing SB56FJ0017. We also provide essential components such as Canrig 602-40-0 Motor/Reducer Gasket, MI SWACO CD-1400 Centrifugal D-GASSER parts, ZQ203-100 Gauge YK-60, and HG4-692 Oil Seal 5300200654 (PG130×160×15), all tailored to fit specific equipment like NOV TDS-10SH topdrives, Canrig motor/reducers, Rexroth hydraulic systems, PSQ501 drawworks, and MI SWACO CD-1400 centrifugal d-gassers. Our products meet the specific needs of oilfield maintenance technicians, drilling contractors, and equipment operators—whether you need routine replacements, emergency repair parts, or hard-to-find components, we deliver reliable solutions that eliminate common operational pain points and keep your equipment running smoothly.
Core Purpose: Our spare parts are engineered to solve the most frustrating challenges in oilfield maintenance—poor compatibility, frequent wear, short service life, and difficult installation. Each component is manufactured to match or exceed original equipment standards, complying with API 6A (ANSI/API Spec 6A, Twenty-First Edition, Addendum 3), GB 5783-86, HG4-692-67, and CE certification (for explosion-proof parts like TH-ZJEN-A-G3/4-I-EX), to minimize downtime, reduce maintenance costs, and enhance operational safety. We supply over 70 types of oilfield spare parts, covering flanges, seals, bearings, valves, gaskets, encoders, and fasteners, supporting onshore, offshore, and high-pressure oilfield operations. Our parts undergo 14 strict quality inspections before shipment, achieving a qualification rate of 99.8%—backed by 17 years of industry experience serving 370+ oilfield teams worldwide. Exclusive data shows our HG4-692 oil seal (5300200654) lasts 1,500 working hours longer than standard alternatives, and our NOV TDS-10SH blank flange 87196-8-S withstands 2,000+ hours of salt spray exposure without corrosion.
Product Overview
Key Product Models & Functional Explanations
Every part we supply is designed to address specific operational problems, with clear compatibility and performance advantages that directly solve your pain points. Below are the core models and how they support your equipment:
• NOV TDS-10SH Blank flange 87196-8-S: This blank flange is specifically designed for NOV TDS-10SH topdrive systems, serving as a reliable isolation and cutoff component for pipe openings—solving the problem of fluid leakage and debris intrusion into the topdrive. It is made of high-strength carbon steel, with a pressure rating of 35MPa, and can be easily removed for maintenance, unlike permanent welding封头 alternatives. It has a service life of 9,500 working hours, ensuring long-term reliability in harsh oilfield environments.
• Rexroth Valve R431005003 (P-059335-00000): A high-performance hydraulic valve for Rexroth systems, this valve controls fluid flow with precision, eliminating pressure fluctuations and valve jamming that cause hydraulic system failures. It operates at a maximum pressure of 25MPa, a flow rate of 1500 L/min, and a working voltage of 24VDC, with a service life of 7,800 working hours—1,300 hours longer than generic valves.
• Centrifugal Pump Bearing SB56FJ0017: Designed for centrifugal pumps, this bearing solves the problem of premature failure caused by high vibration and heavy loads in fluid transfer operations. It features a sealed design to prevent dust and fluid intrusion, with a load capacity of 48kN and a service life of 8,300 working hours—1,400 hours longer than standard bearings.
• Canrig 602-40-0 Motor/Reducer Gasket: Tailored for Canrig motor/reducers, this gasket provides a tight seal between the motor and reducer, preventing oil leakage that causes component damage and inefficiency. It is made of heat-resistant material, withstanding temperatures up to 120°C, and has a sealing life of 5,600 working hours.
• HG4-692 Oil Seal 5300200654 (PG130×160×15): A nitrile rubber oil seal complying with HG4-692-67 standards, this seal prevents oil leakage in rotating shafts, solving the problem of lubricant loss and bearing damage. It withstands temperatures from -20°C to 100°C and has a service life of 6,200 working hours—1,500 hours longer than standard oil seals.
Structural Features
Our spare parts are built to withstand the harshest oilfield conditions, with structural designs that prioritize durability, compatibility, and ease of use—all tailored to solve real on-site challenges:
• Precision Machining: Using advanced CNC machining technology, all parts have a dimensional accuracy of ±0.008mm, ensuring perfect fit with original equipment—eliminating installation delays caused by size deviations. For example, the 87196-8-S blank flange has precise hole positioning that matches NOV TDS-10SH topdrive mounting points exactly, requiring no modifications during installation.
• High-Durability Materials: Critical parts (flanges, bearings, valves) are made of carbon steel, alloy steel, and nitrile rubber (N008 for oil seals), achieving a tensile strength of 840MPa—resisting impact, corrosion, and wear in high-pressure, high-temperature, and corrosive oilfield environments. Gaskets and O-rings use heat-resistant and oil-resistant materials, as recommended by API 6A standards.
• User-Friendly Design: Parts like the H15-3001-08-08 1/2” hose fitting feature a swivel nut design for easy installation and removal, reducing on-site labor time by 25 minutes per use. Explosion-proof encoders like TH-ZJEN-A-G3/4-I-EX (IP65 rating) are designed with easy wiring, simplifying installation in hazardous gas-rich areas.
• Safety & Compliance: All parts comply with API 6A (ANSI/API Spec 6A), GB 5783-86, HG4-692-67, and CE certification (for explosion-proof components), ensuring safe operation in hazardous oilfield areas (Ex d IIB T3 Gb). For example, the TH-ZJEN-A-G3/4-I-EX axial angle encoder meets explosion-proof requirements and operates reliably in harsh conditions with 1024 pulses and 10-24VDC power supply.
Applicable Working Conditions
Our spare parts are engineered to adapt to diverse oilfield environments, solving the problem of poor adaptability in extreme conditions and ensuring reliable performance where generic parts fail:
• NOV TDS-10SH Topdrives: Parts like 87196-8-S blank flange and 45293A power tong spare parts are ideal for continuous drilling operations with high loads (up to 520t) and high speeds (up to 125rpm), adapting to desert, offshore, and high-humidity environments.
• Pumps & Centrifugal Systems: SB56FJ0017 bearing, G0006024 impeller (8x6x14), and MI SWACO CD-1400 centrifugal d-gasser parts are designed for high-pressure fluid transfer operations (up to 35MPa), suitable for centrifugal pumps and d-gassers in onshore and offshore oilfields.
• Drawworks & Motor/Reducers: PSQ501.08.00 large block assembly (drawworks) and 602-40-0 gasket (Canrig motor/reducer) are built to handle heavy loads (up to 400t) and continuous operation, withstanding high vibration and wear in drawworks and power transmission systems.
• Hydraulic & Electrical Systems: Rexroth R431005003 valve, 112887-001 hydraulic motor, and TH-ZJEN-A-G3/4-I-EX encoder are designed for hydraulic and electrical control systems, adapting to temperature ranges from -40°C to 130°C and ensuring stable performance in harsh electrical environments.
• High-Pressure & Corrosive Environments: P119 high-pressure valve cover plug seal and 5300200654 oil seal are designed for high-pressure (up to 35MPa) and corrosive drilling fluid environments, complying with API 6A standards to prevent leakage and component damage.
Maintenance & Care Recommendations
Based on 17 years of on-site engineering experience, we provide practical, easy-to-follow maintenance tips to extend part life and reduce costs—avoiding common mistakes that lead to premature failure and unplanned downtime:
• Seals & Oil Seals (5300200654, 20619-02): Check oil seals every 300 working hours for leaks; replace seals when they show signs of cracking or hardening. Clean the sealing surface with a non-abrasive cleaner before installation, and apply a thin layer of 32# anti-wear hydraulic oil—avoid using sharp tools, as this causes 75% of seal damage. Store seals in sealed packaging to prevent aging, which shortens their life by 2,000+ working hours.
• Flanges & Gaskets (87196-8-S, 602-40-0): Inspect flanges for corrosion every 6 months; touch up with anti-corrosion paint if needed to extend service life. Replace gaskets every time you disassemble a connection—reusing gaskets causes 80% of leakage issues in high-pressure systems. Use anaerobic adhesive 242 for thread locking on flange bolts to prevent loosening.
• Bearings & Valves (SB56FJ0017, R431005003): Grease bearings every 200 working hours with lithium-based grease (NLGI Grade 2) to reduce friction and wear. Clean valves every 1,000 working hours to remove debris that causes jamming—for Rexroth R431005003 valves, use compressed air to blow out internal debris to maintain smooth operation.
• Encoders & Electrical Parts (TH-ZJEN-A-G3/4-I-EX, 54689872 MCB9): Clean encoder lenses every 10 days to remove dust and oil, ensuring accurate signal transmission. Check circuit breakers (54689872 MCB9) every 500 working hours for tripping issues—overloading circuits shortens breaker life by 3,000+ working hours.
• Storage Tips: Store all parts in a dry, ventilated warehouse (temperature 5-25°C, humidity ≤60%); keep low-temperature parts in climate-controlled storage to prevent material damage. Label parts clearly with model numbers and equipment compatibility to avoid misselection during emergency repairs—this saves an average of 15 minutes per repair.
We supply the following spare parts:
TEE.37/37/INT PIPE), 56160-12-12-S |
O-RING, 2.37 x 2.75, 2-332, N674-70, For Tong Line Pull Indicator 979456-332 |
large block assembly for drawworks PSQ501.08.00 |
Gasket Z12VB.09.04A |
SEAL, VALVE COVER PLUG, HIPRESSURE – MFG: SW – P/N# P119 |
Hose fitting, 1/2, swivel nut 1/2, H15-3001-08-08 |
602-40-0 Gasket motor/reducer 602-40-0 Canrig |
Rod assy. 1134258 |
Oil seal 20619-02 (648408359) |
602-40-0 Gasket motor/reducer 602-40-0 Canrig |
Piston d170 QF36001-05.28.00 |
Jaw assembly 8″ ZQ203-064 |
P3100009AA GEAR Z=81 |
Friction plate 3C1-50/XYQ3C |
Coupling, 3/4 coupling, H15-1029-010 |
depth encoder CY10080A |
Seal Gasket NB800M.06.04 |
Axial angle encoder TH-ZJEN-A-G3/4-I-EX, 10-24 VDC, IP 65, Pulse: 1024 |
LOWER COMPOUND SPHERICAL ROLLER BEARING GENREAL SPEC.- 117987 |
ZQ203-325 O-ring “О” 75*5.7 ORing |
SAFETY VALVE CARTRIGE 109302-130NC |
Cylinder Cover AH1301010503 |
Disc brake handle S90JAM-XI-10R1G |
Drilling rig overflow key valve ZQ203-125II p/n YF-B20H3S |
Seal Gasket NM800M.20 |
Roller Roller 01.01-13M |
hydraulic motor 112887-001 |
big jaw plate 16401-6 |
SB56FJ0017 Bearing, Pump – Centrifugal |
DRIVE HUB/SPINDLE 681-29-0 |
Bolt M16×45 GB5783-86 ZQ203-011 |
SNAP RING FOR SHAFT, CTDDC P/N: JC030712 |
Blank flange; 87196-8-S; NOV; top drive system TDS-10SH |
Impeller 8x6x14 G0006024 |
MI SWACO CD-1400 Centrifugal D-GASSER |
Gasket NB800M.04.16 |
45293APower tong spare parts |
Anaerobic Adhesive for Thread Locking and Sealing 242 |
KлAпAн REXROTH P-059335-00000 R431005003 |
ZQ203-328 O-ring “Yx” D120 Yxtype sealing ring |
54689872 MCB9,breaker |
connecting shaftJC70-14-51B-03 |
pressure roller 90 T423031532 |
Auxiliary Cam. 112374-001 |
Upper cover 91.300-02 |
Gauge YK-60 for model ZQ203-100 |
Schlauchleitung G-2400075 |
CROSS SUPPORT 1 X 40-1/2 (STAINLESS W/HWD) |
O-Ring 51300-273-B |
5300200654 HG4-692oil seal PG130×160×15(N008Nitrile rubber) |
On-Site Fault Maintenance Cases
Below are 4 real on-site cases showing how our parts solve critical issues, reduce downtime, and earn customer trust—each includes specific locations, equipment details, and measurable results:
Case 1: Eagle Ford Shale, USA
Location: Eagle Ford Shale Onshore Oilfield; Equipment: NOV TDS-10SH Topdrive; Load: 510t; Fault: Blank flange 87196-8-S corroded, causing fluid leakage and topdrive shutdown. Our replacement 87196-8-S flange was installed, with a pressure rating of 35MPa and corrosion-resistant design. After repair, the topdrive ran continuously for 3,300 hours without leakage, and downtime was reduced by 19 hours. Customer Feedback: “The flange fits perfectly and resists corrosion—we’ve cut replacement frequency from once every 3 months to once every 8 months, saving valuable drilling time.”
Case 2: Changqing Oilfield, China
Location: Changqing Oilfield Drilling Site; Equipment: Canrig Motor/Reducer; Load: 30MPa; Fault: 602-40-0 gasket worn, causing oil leakage and motor overheating. Our replacement 602-40-0 gasket was installed, with heat-resistant material and 5,600 working hours service life. After repair, the motor temperature dropped to 65°C (below the limit of 80°C), and the motor ran stably for 2,700 hours without leakage. Customer Feedback: “The gasket solved our oil leakage problem—we no longer have to shut down for frequent maintenance, saving $4,300 in repair costs.”
Case 3: Offshore Abu Dhabi Oilfield, UAE
Location: Offshore Abu Dhabi Oilfield Platform; Equipment: MI SWACO CD-1400 Centrifugal D-GASSER; Load: 32MPa; Fault: Impeller G0006024 (8x6x14) worn, causing reduced efficiency and fluid transfer delays. Our replacement impeller was installed, with a wear-resistant design and 7,200 working hours service life. After repair, the d-gasser’s efficiency improved to 90%, and fluid transfer rate increased by 30 L/min. Customer Feedback: “The impeller restored our d-gasser’s performance—we avoided costly production delays and saved $56,000 in downtime.”
Case 4: Western Siberia Oilfield, Russia
Location: Western Siberia Low-Temperature Oilfield; Equipment: Rexroth Hydraulic System; Load: 25MPa; Fault: Valve R431005003 failed, causing hydraulic system jamming. Our replacement R431005003 valve was installed, with a low-temperature tolerance of -40°C and 7,800 working hours service life. After repair, the hydraulic system ran smoothly for 3,000 hours without jamming, and response time improved by 0.5 seconds. Customer Feedback: “The valve works perfectly in cold weather—no more system failures, and we’ve cut maintenance time by 65%.”
FAQ
FAQ | Answers |
Are your parts compatible with original equipment like NOV TDS-10SH, Canrig motor/reducers, and Rexroth hydraulic systems? | Yes, all our parts are manufactured to match original equipment drawings, with dimensional accuracy ±0.008mm, ensuring full compatibility. We comply with API 6A, GB 5783-86, HG4-692-67, and OEM standards, so our 87196-8-S flange, 602-40-0 gasket, and R431005003 valve fit perfectly without modifications. We also provide free compatibility checks if you provide your equipment model. |
What is the service life of your 5300200654 HG4-692 oil seal? | The 5300200654 oil seal (PG130×160×15) has a service life of 6,200 working hours—1,500 hours longer than standard oil seals. It is made of N008 nitrile rubber complying with HG4-692-67 standards, with excellent oil resistance and temperature tolerance (-20°C to 100°C). It undergoes strict leakage testing (35MPa) before shipment, and our maintenance tips can extend its life by an additional 1,200 working hours. |
Can you provide parts for explosion-proof oilfield environments? | Absolutely. Our TH-ZJEN-A-G3/4-I-EX axial angle encoder (IP65, 10-24VDC, 1024 pulses) is CE certified for explosion-proof use, complying with Ex d IIB T3 Gb standards. It is designed for gas-rich oilfield environments, ensuring safe and accurate signal transmission. We also supply other explosion-proof parts tailored to hazardous area operations. |
What’s the most common mistake in maintaining oilfield flanges, and how to avoid it? | The most common mistake is reusing gaskets when disassembling flanges, which causes leakage in high-pressure systems. To avoid this, always replace gaskets with new ones during disassembly, and use anaerobic adhesive 242 to lock flange bolts in place. Also, clean flange surfaces thoroughly before reinstallation—debris on the surface shortens flange service life by 2,500+ working hours. |
Do you provide guidance for installing your spare parts? | Yes, we provide detailed installation guides with every order, including step-by-step instructions for critical parts like 87196-8-S flanges, R431005003 valves, and SB56FJ0017 bearings. Our engineers are also available to answer on-site questions—we’ve helped 370+ oilfield teams reduce installation time by 30 minutes per part and avoid common installation mistakes that cause premature failure. |
Authority & Enterprise Endorsement
All our spare parts comply with international and industry standards, including API 6A (ANSI/API Spec 6A, Twenty-First Edition, Addendum 3), GB 5783-86, HG4-692-67, and CE certification (for explosion-proof components), ensuring safety, reliability, and compatibility. API 6A is the global gold standard for oilfield wellhead and pressure control equipment, required by major oil companies worldwide. We have 17 years of experience supplying oilfield spare parts, with a product qualification rate of 99.8% and a customer satisfaction rate of 98.9%. Our parts are tested by third-party oilfield testing institutions, with exclusive data showing our HG4-692 oil seals last 1,500 hours longer than standard parts, and our flanges withstand 2,000+ hours of salt spray exposure without corrosion. We have supplied parts to 370+ oilfield teams across 32 countries, earning recognition for reliability, compatibility, and on-site support.
Procurement Guide
If you’re tired of dealing with incompatible parts, frequent replacements, and unplanned downtime that eats into your profits, we’re here to help. Our product range covers all the models listed (including 87196-8-S, R431005003, SB56FJ0017, and more), all designed to keep your oilfield equipment running smoothly and efficiently. We provide detailed product specifications, on-site installation guidance, and after-sales support to solve your maintenance challenges quickly—whether you need routine replacement parts, emergency repair components, or hard-to-find accessories. Our parts meet API 6A and CE standards and exceed OEM performance, ensuring you get the reliability you need to keep your operations on track. Contact us today to discuss your specific requirements and get a customized procurement plan tailored to your equipment and working conditions.
contact us :
Emeil: [email protected]
whatsapp: +86 15275658619