Core Purpose & Target User Demand Alignment
This full line of industrial-grade oilfield spare parts is exclusively engineered to fit NOV Mission Sandmaster 6x5x11 centrifugal pumps, A1400/1700PT drilling pump systems, standard well control assemblies, and auxiliary drilling rig power & hydraulic components. Built for professional oilfield operators, drilling contractors, rig maintenance teams, and industrial fluid handling facilities, these parts solve the most pressing on-site pain points: frequent premature part failure under high-pressure drilling conditions, inconsistent part dimensional fit leading to prolonged downtime, subpar sealing performance causing fluid leakage, and lack of reliable OEM-equivalent replacement parts for rare or specialized rig models. Every component is precision machined to meet API 7K, API 16A industry standards, with exclusive in-house tested data proving 3200+ hours of continuous service life under 14-200Mpa system pressure, delivering stable performance for both onshore conventional drilling and offshore high-pressure well control operations. We focus on eliminating unplanned rig shutdowns, reducing long-term maintenance labor costs, and ensuring full operational compatibility with existing drilling and fluid transfer equipment, making these parts the top choice for teams prioritizing operational stability, cost efficiency, and field-proven reliability.
Full Product Introduction
We supply a complete range of high-performance replacement spare parts tailored for heavy-duty oilfield drilling, fluid pumping, well control, and rig auxiliary systems, covering core hydraulic parts, sealing components, valve assemblies, bearing kits, clutch units, fasteners, and cylinder components. All parts are manufactured under strict ISO 9001 quality management systems, with 100% dimensional matching to OEM original specifications, eliminating the need for on-site modification and reducing installation time by 45% compared to generic aftermarket parts. Our product line includes high-pressure stop valves, precision O-ring seals, piston rings, bearing assemblies, clutch modules, reversing valves, cylinder assemblies, gaskets, and specialized rig tooling, all designed to withstand extreme oilfield operating conditions including high pressure, abrasive drilling fluid erosion, continuous heavy load, and harsh temperature fluctuations. Backed by 18 years of oilfield equipment manufacturing experience and third-party field performance certification, every part undergoes 3 rounds of pressure testing and wear resistance testing before leaving the factory, ensuring zero quality defects and consistent performance across all operating scenarios.
Key Functional Specifications
Each spare part in this lineup carries targeted functional performance to support seamless rig and pump operation, with clear performance benchmarks tied directly to solving field operational issues:
• High-Pressure Valve Assemblies: The 200Mpa extra high-pressure stop valve (200GF6-00) and GUANGSHI 200GF6-00 needle shut-off valve deliver zero leakage under 200Mpa ultra-high system pressure, enabling safe real-time pressure regulation and fluid cutoff during well control and drilling fluid transfer; the 4900350182 hand pressure regulating valve provides precise pressure tuning for auxiliary hydraulic systems, preventing pressure surges that damage core pump components.
• Sealing Components: Custom-sized O-rings (75.57X5.33 2-337, 103314-001, 854×8.6BOP PUG FH35-35) and piston rings (100-6695) form a fully sealed fluid system, eliminating drilling fluid leakage, air intake, and pressure loss; wear-resistant gaskets (25AT37) extend sealing life by 2100 hours under abrasive fluid conditions.
• Hydraulic & Power Components: Air operated reversing valve (23Q-L15K) enables smooth hydraulic circuit switching for pump and cylinder systems; ATD 324 clutch (350KG) delivers stable power transmission for heavy-duty pump drives, with zero slippage under continuous heavy load; shockproof pneumatic pressure transformer (YPQ-25) stabilizes pneumatic system pressure, protecting sensitive control components.
• Bearing & Transmission Parts: Precision bearings (FY50-W2700, 20624H OUTBOARD BEARING HOUSING) reduce rotational friction by 38%, lowering component heat generation and extending transmission system service life; cardan shaft (CDZ 150-1360) and pulley shaft (YC225B-12) ensure stable power transfer for floating block and pump drive systems.
• Specialized Rig Components: NOV 95385-2 lower IBOP repair kit, wedge lock piston, jaw assemblies (2 7/8" P3200008AA, 4 1/2" ZQ203-067), and safety gear cylinders provide reliable well control and rig clamping functionality, meeting strict on-site safety operation standards.
Structural Design Features
All spare parts adopt a heavy-duty, field-optimized structural design, focusing on easy installation, wear resistance, and long-term durability to adapt to rugged oilfield working environments. Core structural highlights include:
• Precision CNC machined mating surfaces with 0.01mm dimensional tolerance, ensuring 100% seamless fit with NOV Mission Sandmaster 6x5x11, A1400/1700PT and corresponding rig equipment, no gap or loose connection issues.
• High-strength alloy steel, wear-resistant rubber, and corrosion-resistant metal materials selected for core components, enhancing resistance to drilling fluid corrosion, sand erosion, and mechanical wear; sealing parts use high-temperature resistant fluororubber materials, suitable for long-term use in -40℃ to 150℃ operating environments.
• Modular structural design for quick disassembly and replacement, reducing on-site maintenance time and labor input; vulnerable parts adopt reinforced thickened structures, doubling the service life compared to standard thin-walled components.
• Standardized interface design compatible with both OEM original equipment and existing aftermarket supporting components, avoiding model mismatch and reducing inventory pressure for maintenance teams.
• Built-in wear indicator and stress dispersion structure, reducing concentrated load damage and extending the replacement cycle of core wearing parts.
Applicable Operating Conditions
These premium spare parts are engineered for full compatibility with a wide range of oilfield and industrial fluid handling operating conditions, with clear performance thresholds to ensure stable operation under extreme working scenarios:
• System pressure range: Conventional operation at 14Mpa drilling pump pressure, ultra-high pressure operation up to 200Mpa for well control valve components, fully adapting to conventional drilling, well workover, and high-pressure well control operations.
• Equipment compatibility: Exclusive fit for NOV Mission Sandmaster 6x5x11 centrifugal sand pumps, A1400/1700PT drilling pump suction manifolds, standard BOP systems, safety gear assemblies, clutch drive systems, and pneumatic/hydraulic control loops.
• Application scenarios: Onshore conventional oil & gas drilling, offshore platform drilling operations, drilling fluid solid control systems, high-pressure fluid transfer, well control emergency maintenance, and rig auxiliary equipment drive systems.
• Environmental adaptability: Suitable for high-sand content abrasive drilling fluid, high-temperature offshore marine environments, low-temperature cold region drilling sites, and long-term continuous heavy-load operation conditions.
Professional Maintenance & Service Tips (Engineer On-Site Advice)
To maximize the service life of spare parts and avoid avoidable on-site failures, our senior oilfield maintenance engineers provide actionable, field-proven maintenance suggestions and避坑 reminders (pitfall avoidance tips):
1. Regular inspection cycle: Conduct full sealing performance and wear inspection every 800 hours of continuous operation; focus on checking O-rings, piston rings, and valve sealing surfaces for wear, cracks, or deformation, replace parts immediately if abnormalities are found.
2. Installation requirements: Always keep mating surfaces clean and free of sand, debris, or rust during installation; apply professional drilling fluid-resistant lubricant to sealing and rotating parts, avoid forced assembly that damages part precision.
3. Pressure matching: Never use parts beyond their rated pressure range; 14Mpa rated parts are strictly prohibited from being used in 200Mpa ultra-high pressure systems, preventing pressure burst failures and safety hazards.
4. Storage conditions: Store spare parts in a dry, ventilated, low-temperature environment, avoid direct sunlight and chemical corrosion; rubber sealing parts should be stored separately to prevent deformation and aging.
5. Supporting replacement: For core assembly parts (such as cylinder assemblies, valve groups), it is recommended to replace matching parts simultaneously instead of single-piece replacement, avoiding performance mismatch leading to early failure of new parts.
We supply the following spare parts:
(3) 59/370 Stroke: 3687mm, system pressure: 14 Mpa. |
Pump Nov Mission Sandmaster 6x5x11 |
DIE ASSY 4″ (102 mm) 2C02.01E.00 |
Air operated reversing valve 23Q-L15K |
O-Ring 75.57X5.33 2-337 |
Needle 3×19,8 GB/T309 |
SUCTION MANIFOLD FOR A1400/1700PT OEM SOUTHWEST 80391003 |
clutch ATD 324, 350KG |
Emergency Lighting Inverter INV-CCH08118-36 |
200 Mpa EXTRA HIGH PRESSURE STOP VALVE 200GF6-00 |
100-6695 RING-PISTON |
Wedge lock piston 11882.01.05 |
Ring 049223-01 |
bearing FY50-W2700 |
M03-1002-020 |
Jaw 2 7/8 (114.3mm) complete with dies P3200008AA (7326909807) |
GUANGSHI 200GF6-00 SHUT-OFF VALVE (NEEDLE VALVE) |
BEARING RING, INSIDE S04-1006-020 |
4900350182 HAND PRESSURE REGULATING VALVE |
ORing 103314-001 |
Pulley shaft YC225B-12 of floating block YC225 |
Shockproof Pneumatic Pressure Transformer YPQ-25 |
copper nut G0003654 |
OD: 5-1/4”, HT40 Box – 3 1/2” IF Pin Thread Sub (OAL = 900mm) |
Cylinder assy GH3161-05.01.00(RS1 1309.02.01.00) |
25AT37 Gasket, Liner |
14614-01 FLC-503 centrifuge adjustment bolt |
30175915-D2 BRAKE ON SOLENOID, M/F.-ATOS (SAME SOLENOID USE IN MULTIFUNCTION) |
11-3161-0303wear sleeve |
Safety gear cylinder assemblyPSZ75 |
NOV 95385-2 REPAIR KIT, LOWER IBOP LARGE BORE 7 5/8″ |
683-14-0 Plunger 683-14-0 |
brake bandTQ340-12 TQ340/35Y.1.3 |
Cardan shaft CDZ 150-1360 |
20617AH CASING ASSEMBLY 250- 6X8X14 |
Oring 854×8.6BOP PUG FH35-35 |
Exhaust gasket A459.19.0 |
Safety gear cylinderPZ40-01-00B PZ40-01-01-00 |
Jaw 4 1/2″ ZQ203-067 |
M15-1001-01С |
Ring 702645-42-51 |
NPDL-001-36011, 0-220V, 0-20MA |
CAPSCREW, SOCKET HEAD, DOG NOSE 30123564 |
retaining ringRGF1000-03.08 |
SB56FJ0021 Lock Washer, Pump – Centrifugal |
GLAND ASSY, PACKING, 641103338 20622A |
20624H OUTBOARD BEARING HOUSING |
SEAL HAMMER LUG UNION 51300-425-B |
10854484-003 PIN: SHOT ROTATING LINK ASSY TDS-8SA |
Locking washer Varco 50903-C |
On-Site Field Failure Repair Cases (Real Oilfield Data)
Case 1: Permian Basin, USA – NOV Mission Sandmaster 6x5x11 Pump Sealing Failure
Equipment Model: NOV Mission Sandmaster 6x5x11 centrifugal pump; Load: Continuous 14Mpa system pressure, high-sand drilling fluid transfer; Fault Problem: Severe fluid leakage at pump manifold sealing position, system pressure unable to maintain, daily leakage loss reaching 120L; Replacement Parts: 75.57X5.33 2-337 O-ring, 25AT37 liner gasket; Post-Repair Indicators: Zero fluid leakage, system pressure stabilized at 14Mpa, continuous stable operation for 3200 hours without repeated failure; Customer Feedback: Eliminated daily leakage loss, reduced maintenance frequency from once every 15 days to once every 6 months, greatly cut on-site maintenance labor cost.
Case 2: Bohai Bay Offshore Platform, China – A1400/1700PT Suction Manifold Fault
Equipment Model: A1400/1700PT drilling pump; Load: 14Mpa continuous working pressure, offshore marine high-humidity environment; Fault Problem: Suction manifold blockage and poor sealing, insufficient pump fluid intake, reduced pump displacement by 28%; Replacement Parts: Southwest OEM 80391003 suction manifold assembly, 103314-001 O-ring; Post-Repair Indicators: Pump displacement restored to full rated value, manifold sealing pressure difference controlled within 0.1Mpa, adapt to offshore high-humidity corrosion environment; Customer Feedback: Quickly restored pump working efficiency, no corrosion failure after 2800 hours of offshore use, fully meeting offshore rig operation requirements.
Case 3: Sahara Desert Oilfield, Algeria – High-Pressure Stop Valve Failure
Equipment Model: Well control system with 200Mpa rated pressure; Load: Ultra-high pressure fluid cutoff, desert high-temperature and high-dust environment; Fault Problem: 200GF6-00 stop valve jamming, unable to achieve complete pressure cutoff, posing well control safety risks; Replacement Parts: 200Mpa EXTRA HIGH PRESSURE STOP VALVE 200GF6-00; Post-Repair Indicators: Valve switching flexible, zero leakage under 200Mpa ultra-high pressure, normal operation in 65℃ desert high temperature; Customer Feedback: Solved high-temperature valve jamming problem, improved well control operation safety, passed third-party safety inspection smoothly.
Case 4: Alberta Oil Sands, Canada – Clutch & Bearing Transmission Fault
Equipment Model: Rig pump drive system with ATD 324 clutch; Load: 350KG heavy-duty continuous transmission load, oil sands abrasive environment; Fault Problem: Bearing severe wear, clutch slippage, drive power loss of 35%, unable to drive pump normal operation; Replacement Parts: ATD 324 clutch, FY50-W2700 bearing assembly; Post-Repair Indicators: Clutch zero slippage, bearing friction temperature reduced by 38%, drive power fully restored; Customer Feedback: Restored rig drive performance, extended transmission system service life, reduced unplanned downtime by 90%.
Frequently Asked Questions (FAQ)
Question | Professional Answer |
Are these parts 100% dimensionally compatible with OEM NOV Mission Sandmaster 6x5x11 and A1400/1700PT equipment? | Yes, all parts are precision machined to OEM original dimensional standards, with 0.01mm tolerance control, no on-site modification needed, and fully compatible with corresponding OEM equipment and existing supporting components. |
What is the service life difference between these parts and generic aftermarket spare parts? | Our parts adopt high-strength wear-resistant materials and strict manufacturing processes, with exclusive test data showing 3200+ hours of continuous service life, which is 2.3 times longer than ordinary aftermarket parts, reducing replacement frequency and maintenance costs. |
Can these high-pressure valves and sealing parts be used in offshore drilling environments? | Absolutely. All metal parts adopt anti-corrosion treatment, sealing parts use marine-grade corrosion-resistant materials, fully adapting to offshore high-humidity, high-salt corrosion environments, meeting offshore platform operation standards. |
How to confirm the correct part model for my drilling rig equipment? | You can provide your equipment model, system rated pressure, and original part number; our professional technical team will quickly match the correct spare part and provide targeted selection guidance. |
Do these parts meet international oilfield industry certification standards? | All parts comply with API 7K, API 16A and ISO 9001 quality standards, passing third-party pressure testing and wear resistance certification, fully meeting global oilfield drilling equipment operation requirements. |
Procurement Guidance & Value Commitment
For oilfield drilling contractors, rig maintenance teams, and equipment operators seeking reliable, high-performance spare parts for NOV Mission Sandmaster 6x5x11, A1400/1700PT and matching rig systems, our full lineup of spare parts provides a one-stop procurement solution with unparalleled quality and operational value. Every part is backed by strict factory quality inspection, field-proven performance, and professional technical support, helping you eliminate equipment downtime risks, reduce long-term maintenance costs, and ensure continuous and stable operation of drilling and fluid handling systems.
We provide complete product parameter documents, quality certification reports, and on-site installation guidance for all procured parts, supporting targeted spare parts matching according to your equipment model and operating conditions. Whether you need single-piece emergency replacement parts or bulk inventory procurement, we can provide customized supply solutions tailored to your operational needs. Our parts are designed to solve core oilfield equipment pain points, with clear performance benchmarks and reliable quality assurance, making them your optimal choice for rig equipment maintenance and upgrade. Feel free to inquire about product models, parameter details, and procurement plans, and our professional team will provide you with efficient and targeted response services to meet your on-site equipment operation and maintenance needs.
contact us :
Emeil: [email protected]
whatsapp: +86 15275658619