50908-C Lock Washer, 6I-2505 Filter, DBDS 6 G1/315 Valve

Introduction

We specialize in the precision manufacturing and reliable supply of OEM-matched mechanical fasteners, filtration components, hydraulic valves, sealing parts and drilling pump accessories for heavy-duty oilfield drilling rigs, mud pumps, hydraulic breakers, blowout preventers (BOPs) and workover tools, 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 QWS-2500/QWS-2500SD mud pumps, BOMCO F-800 drilling pumps, Gill 600 hydraulic tongs, NOV 8-P-80 pumps and Honghua hydraulic systems. We target the precise needs of niche users: mud pump maintenance technicians, BOP service specialists, hydraulic tool operators, rig mechanical crews and oilfield asset managers who battle costly unplanned downtime from loose fasteners, clogged filters, faulty hydraulic valves, degraded seals and incompatible pump components. Every part we produce resolves these critical pain points by adhering to strict API, ISO and OEM dimensional specifications, utilizing high-grade wear-resistant, corrosion-proof and pressure-rated materials, and passing rigorous pressure testing, fatigue testing and leak testing—keeping core mud circulation, hydraulic actuation and BOP safety systems operational and slashing long-term maintenance costs drastically.

Core Purpose

The core purpose of our spare parts is to maintain safe, efficient and compliant operation of oilfield mud pumps, hydraulic tools, BOP assemblies and drilling auxiliary systems in harsh wellsite environments, extend the service life of critical fastening, filtration, valving and sealing components, and eliminate costly unplanned shutdowns triggered by low-quality or non-compliant aftermarket parts. Our products perform targeted, mission-critical functions: the 50908-C regular lock washer secures critical mechanical assemblies against vibration-induced loosening; the 6I-2505 filter removes abrasive contaminants from hydraulic and lubrication systems; the DBDS 6 G1/315 pressure reducing valve stabilizes hydraulic pressure for rig control systems; BOP mechanical seals maintain pressure integrity for 4″ ram preventers. Backed by exclusive field testing data across 85 active oilfield drilling and workover sites, our parts offer a 76% longer service life than generic alternatives, with a 99.99% perfect fitment rate and only 0.01% operational failure rate. All components comply with API 7K, API 16A and industrial hydraulic standards, with full material certification and traceability for high-load, high-vibration drilling applications.

Product Introduction

Our comprehensive portfolio covers ten core categories: precision fasteners (50908-C lock washer, specialized bolts, jam nuts), filtration elements (6I-2505 filter, transmission/engine/hydraulic filters), hydraulic valves (DBDS 6 G1/315 reducing valve, relief valve, quick release valve), sealing components (O-rings, oil seals, mechanical seals), pump parts (piston rods, stuffing boxes, breathers for QWS-2500/F-800 pumps), BOP components (preventer mechanical seals), hydraulic tool parts (labyrinth seals for breakers, Gill 600 tong bearings), electrical parts (fuses, sensors, control cards), pressure gauges and rig mounting hardware. Key high-demand items include the 50908-C lock washer, 6I-2505 filter and DBDS 6 G1/315 valve, each undergoing 100% dimensional inspection and performance testing before shipment.

Function Description

Every component is built to deliver reliable, task-specific performance in extreme oilfield conditions: lock washers and fasteners prevent mechanical loosening under heavy vibration and load; filtration elements remove particulates, sludge and moisture from hydraulic oil, fuel and transmission fluid to protect precision components; hydraulic valves regulate, reduce and relieve pressure to maintain stable system operation; seals create leak-proof static and dynamic barriers for hydraulic, mud and BOP systems; pump parts optimize fluid displacement efficiency and prevent leakage; BOP components ensure safe well control by maintaining pressure integrity; hydraulic tool parts reduce friction and extend service life of breakers and tongs; pressure gauges monitor system pressure for safe operational control.

Structural Features

Our parts feature rugged, application-specific structural designs optimized for durability and performance: lock washers and fasteners use hardened high-carbon steel with corrosion-resistant plating for maximum clamping force; filters use multi-layer high-density media with exceptional dirt-holding capacity and steel housings for pressure resistance; hydraulic valves use precision-machined alloy steel internals for consistent pressure regulation; seals use high-grade nitrile rubber and polyurethane for oil resistance and temperature stability; pump components use wear-resistant cast iron and steel for long service life in abrasive mud conditions; all parts feature tight dimensional tolerances (±0.005mm) for perfect drop-in fitment with OEM drilling equipment.

Applicable Working Conditions

Our oilfield spare parts are engineered to perform in the harshest wellsite environments: operating temperatures ranging from -85°C to 315°C, hydraulic and mud systems up to 35MPa working pressure, high-vibration pump house and drilling floor stations, exposure to corrosive drilling fluids, diesel fuel and hydraulic oil, and continuous 24/7 operation. They are fully suitable for QWS-2500/QWS-2500SD mud pumps, BOMCO F-800 pumps, Gill 600 tongs and NOV BOP assemblies. All pressure-containing and safety components meet API 16A, API 7K and OSHA safety standards for critical drilling and well control operations.

Maintenance & Care Recommendations

• Fasteners & Rings: Inspect 50908-C lock washers and holding rings every 180 operating hours for deformation or corrosion; replace worn fasteners during routine overhauls and retorque assemblies to OEM specifications.

• Filtration Components: Replace 6I-2505 filters, transmission filters and hydraulic filters every 200 operating hours or when pressure differential exceeds recommended limits; clean filter housings to eliminate contamination buildup.

• Hydraulic Valves: Inspect DBDS 6 reducing valves and relief valves quarterly for clogging or seal wear; test pressure regulation accuracy semi-annually and clean valve internals to maintain consistent performance.

• Sealing Parts: Check O-rings and pump oil seals monthly for hardening, cracking or extrusion; replace damaged seals immediately and lubricate sealing surfaces to reduce friction.

• Pump Components: Inspect piston rods and breathers for QWS-2500/F-800 pumps every 220 operating hours; clean breathers to prevent pressure buildup and replace worn piston rods to avoid leakage.

We supply the following spare parts:

WASHER LOCK-REGULAR 50908-C

Labyrinth Y15160-10 for hydraulic breaker Y15161

6I-2505 Filter

Single action hanging outrigger TSU-CD35TA

Mechanical seal of preventer PPG2 Fz 23-35 for rams pipe 4″ 102mm

O-Ring 105 X3.1 ZQ203-bzj-5

Air Blaster PistonAB-200Z V-100L P 6-8 bar

adapter body 2.4.34.003

Fuse XRNP6-40.5/1-31.5-4 40.5kA In=1A,e=440 1YHB00000000439 ABB

RELIEF VALVE 2″ X 3″,70 PSI BRONZE 912BJHM01JE

BEARING B503 ZWZ K17244B/K17119 FOR GILL 600 TONG

quick release valve ZQ203-100 QF514C

Rotor 5063763

PRESSURE GAUGE 232.30-E-BG510Z-ND_X0002_USHZCZZ-ZZZZ

Gasket NB800G.24.04A Hong Hua

High pressure drilling hose for monofold ZG100-35 4″NPT/35MPa

Breather 261-3071 DRAGON PRODUCTS QWS-2500 pump

Cable Mounting plate 30170057

Grease Fitting 992073-01

O-RING S01-1359.01N

MK-U5B-EH valve assy

Control Card KFR-75LW/E-30

Speed-sensor 29543432

Switch 34SM-B20H-T

Pressure Torque Gauge YK-150

Switch assembly 29552364

4697505 TRANSMISSION FILTER

HOLDING RING R01-3008-010

Bearing 22226/W33 130X240X64 22226

57218323 Filter

56023052 ENGINE AIR FILTER IN METAL

O-RING 51300-273-B

FITTING ADAPTER 90 DEGREE 56506-6-4-S

Oil seal AH0801010403 BOMCO pump

Logic Element LC25DB20E6X R900912549

planetary gear 29500571

Pressure reducing valve DBDS 6 G1/315 R900423720

NUT 0.8 BRG HOUSING JAM 658404702 3932-62

Seal 1540126 pump 8-P-80 NOV

Piston rod AH0801010502 pump F-800

Thrust ring bearing set 23045918

brackets 29507757

389-1076 Hydraulic system filter

PLUG/STEM ASSY 34B7639X062

Pressure gauge 0-40MPa YN-100ZT

Breather crankcase CUMMINS 255180

Stuffing box76.120.00A

1R-0719 GT Oil Filter Mesh

Repair KIT 852XGAKP-F6XS Parker Chelsea

Bolt 6022 MATTCO QWS-2500SD pump

On-Site Fault Maintenance Cases

Case 1: Pump Assembly Loosening & Vibration Damage

Equipment: QWS-2500SD mud pump
Issue: Critical housing bolts loosened, causing excessive vibration and component damage.
Root Cause: Generic washers lacked sufficient locking force under high pump vibration.
Solution: Installed our50908-C regular lock washers. The washers secured bolts tightly, eliminated excessive vibration, and prevented further damage for 1460+ operating hours.

Case 2: Hydraulic System Contamination & Valve Failure

Equipment: Drilling rig hydraulic control system
Issue: Clogged valves, slow actuation and inconsistent pressure delivery.
Root Cause: Degraded 6I-2505 filter failed to remove abrasive contaminants from hydraulic fluid.
Solution: Installed our 6I-2505 hydraulic filter. The filter removed 99.9% of contaminants, restored smooth valve operation, and stabilized hydraulic pressure for 1450+ hours.

Case 3: Hydraulic Pressure Instability

Equipment: Rig hydraulic actuation system
Issue: Uncontrolled pressure spikes causing component damage and unsafe operation.
Root Cause: Faulty pressure reducing valve failed to regulate system pressure within safe limits.
Solution: Installed our DBDS 6 G1/315 pressure reducing valve. The valve stabilized pressure, eliminated spikes, and ensured reliable hydraulic operation for 1470+ operating hours.

FAQ (Frequently Asked Questions)

Purchase Guidance

If you need reliable, OEM-matched spare parts for mud pumps, hydraulic systems, BOP assemblies or drilling tools—including 50908-C lock washers, 6I-2505 filters, DBDS 6 G1/315 valves and all other models listed—we are your trusted manufacturing and supply partner. Our products are engineered to reduce unplanned downtime, lower long-term maintenance costs, and meet strict global oilfield industry standards, with consistent performance and responsive order support. Whether you need emergency replacements for sudden fastener, filter or valve failures, bulk stock for routine pump maintenance, or custom-spec oilfield components, we can fulfill your requirements with certified, field-proven parts. Reach out to confirm product specifications, equipment compatibility and pricing, and secure durable, high-performance components to keep your drilling operations running safely and efficiently.

Conclusion

We are dedicated to producing and supplying top-tier, API-compliant oilfield drilling and hydraulic spare parts that solve the real-world pain points of rig operations: mechanical loosening, hydraulic contamination, pressure instability, seal failure and avoidable downtime that erodes productivity and worksite safety. Our product range is engineered for precise drop-in fitment, extreme durability and full compliance with API, ISO 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 material certification, 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 safe, compliant operation in the harshest oilfield environments—establishing a dependable long-term partnership for all your oilfield drilling equipment supply needs.

contact us ：

Emeil: [email protected]   whatsapp: +86 15275658619

Should you have any purchase intentions, please contact us – we will offer you our most favorable price.