ZJ20/ZJ30C/ZJ40/ZJ45/ZJ70D Drill Rig, WNS2-1.25-5Y Boiler, PDC Drill Bit 2159mm ST315RS

Introduction: Reliable Components for Uninterrupted Industrial Operations

We specialize in the production and supply of high-performance spare parts for oilfield drilling rigs, MWD logging equipment, industrial boilers, hydraulic systems, and pneumatic winches, covering a comprehensive range of components engineered to withstand the harsh and demanding conditions of industrial work. Our product lineup includes PDC drill bit 2159mm ST315RS/2144mm SNC6518, Brake device ZJ-20/ZJ-30C, Boiler WNS2-1.25-5Y water supply pump CDLF 2-150FSWSC, ECU 330701010000010000, and hundreds of other core components such as seals, valves, fasteners, sensors, couplings, and hydraulic parts.

These parts are custom-designed to fit leading equipment models, including ZJ20/ZJ30C/ZJ40/ZJ45/ZJ70D drilling rigs, WNS2-1.25-5Y industrial boilers, 8.2t pneumatic winches, MWD inclinometer systems, and ZJ-30C lifting hydraulic devices. Our target users include oilfield drilling contractors, MWD logging teams, boiler operators, hydraulic/pneumatic equipment maintenance technicians, and industrial spare parts distributors—all of whom face critical pain points: costly unplanned downtime from low-quality or incompatible parts, frequent replacements that drive up maintenance costs, safety hazards from substandard brake and valve components, and reduced operational efficiency due to component wear, leaks, or electrical failures.

We put value first by adhering to strict international industry standards (ISO 9001:2015, API Spec 7K for drilling and PDC bit parts, ASME Section I for boiler components, IEC 60947 for electrical parts, and GB/T 14023-2018 for cables) and implementing a rigorous 3-stage quality control process (raw material inspection, precision machining validation, pre-delivery functional testing). This ensures a product qualification rate of 99.9%, and our parts are proven to boost equipment reliability by 46%, cut maintenance frequency by 42%, and extend key machinery service life by 33% compared to generic alternatives—directly reducing total ownership costs and keeping your operations running smoothly.

Core Purpose & Product Overview

Core Purpose

Our industrial equipment parts are built to ensure the safe, stable, and efficient operation of critical machinery across oilfield, logging, boiler, and industrial sectors. From drilling and MWD logging operations to boiler water supply, hydraulic/pneumatic control, and winch lifting, every component plays a vital role in maintaining operational continuity. Whether you need parts for routine maintenance, emergency replacements, or equipment upgrades, our products offer a cost-effective, 100% compatible, and durable solution to minimize downtime, reduce maintenance workload, and ensure compliance with strict industrial safety and performance standards.

Product Introduction

Our product range covers 13 major categories, each optimized for specific functions and fully compatible with leading equipment models:

• PDC Drill Bits: PDC drill bit 2159mm ST315RS, PDC drill bit 2144mm SNC6518—engineered for high-efficiency drilling in soft to hard formations (hardness up to 4000PSI), with a drilling speed of 18-28m/h and a service life of 900+ drilling hours. These bits are compatible with ZJ40/ZJ45/ZJ70D drilling rigs.

• Brake & Hydraulic Brake Parts: Brake device ZJ-20, Brake device ZJ-30C cylinder QGX-25X80/5400600002, Disc brake pliers ZJ-40 SY-PS-1600 480-YK, hydraulic brake disc P0000463AA—delivering reliable braking performance, with a brake response time of ≤0.35 seconds and cylinder working pressure of up to 210MPa.

• Boiler Components: Boiler WNS2-1.25-5Y Water supply pump CDLF 2-150FSWSC—providing stable water supply for WNS2-1.25-5Y industrial boilers, with a flow rate of 2m³/h, head of 150m, and service life of 12,000+ working hours.

• Valves & Valve Parts: Two-position three-way reversing valve ZJ70D 3A220-6, manual reversing valve ZJ40, One-way valve BK-FD, Two-position three-way air control reversing valve VL/O-3-1/4, Single air two position three way valve 4900300033, High pressure ball valve YQ1-25H, Manual Butterfly Valve Z011-ADN150, Turntable combination valve HC-2-LX/P55582-3, High pressure control valve butterfly flapper valve DN125—ensuring precise fluid and air control, with a valve leakage rate of ≤0.008ml/min and pressure resistance of up to 35MPa.

• Filters & Filtration Parts: Hydraulic station filter assembly HX-160*10, Oil return filter ZJ50D RF-500x30FM LH0500R030BN/HC—removing impurities (particle size ≥10μm) from hydraulic oil, with a filtration efficiency of 99.97% and a service life of 650+ working hours.

• Electrical & Control Parts: ECU 330701010000010000, SK-2Z16 PLC power module PS300, sensor DC torque sensor SK-8N07G, Brush holder YZ08-T900—ensuring stable electrical control and signal transmission, with an ECU response time of ≤0.05 seconds and PLC power module stability of ±0.5V.

• Logging & Inclinometer Parts: Inclinometer compass MWD inclinometer double male 201514, LHE type self-floating electronic single-point inclinometer special printing paper LHE-3013—supporting precise MWD logging operations, with an inclinometer measurement accuracy of ±0.1° and printing paper compatibility with all LHE-type inclinometers.

• Hydraulic & Lifting Parts: lifting hydraulic device ZJ-30C telescopic cylinder E721-23000002, push plate clutch E4004030002—providing stable lifting and power transmission, with a telescopic cylinder load capacity of up to 300kN and clutch engagement time of ≤0.3 seconds.

• Pneumatic & Winch Parts: Pneumatic winch 8.2t Pneumatic winch hook, Air relay 23JQ-L15—ensuring reliable pneumatic winch operation, with a winch hook load capacity of 8.2t and air relay response time of ≤0.1 seconds.

• Couplings & Shafts: cardan shaft assembly ZJ45 SWC285×740, Plum Coupling ML2, pulley shaft Φ284×702—ensuring smooth power transmission, with a cardan shaft torque capacity of up to 2500N·m and coupling wear resistance of ≤0.01mm/1000 hours.

• Seals & Gaskets: H078HS1 seal, rubber gasket 6PKG.102 10×2 hole, Seals 7M2275, O Ring 5300100528, Dust seal A1 8002 P5008, spring seal ZJ32 D7-1-67 200×240×18—resisting high temperature (-40℃ to 180℃) and high pressure, with a seal service life of 6,000+ working hours.

• Fasteners & Connecting Parts: Swing track bolts 6V1725, nut SB68J0005, Hex socket head cap screw BKD-11-S4, fasten the screw nut BK-7-6A7, pin ZJ70 BK-4-7A2, pin BK-4-7B—ensuring secure connections, with a bolt tensile strength of ≥10.9 grade and pin shear strength of ≥800MPa.

• Auxiliary & Structural Parts: air bag W14-20-903, Gate assembly F751.11.01.08.00, impeller TH18147A05, P32K2QJG/P32J2MQJG, 1-1/2″ Turbine flowmeter 9A-100003536-0XXX, FLEXIBLE POWER CABLE GEXOL INSULATED 37-102-415 Amer Cable, Parking brake valve handle 512705050000200000, Faucet SL-250T flushing pipe assembly, baffle DQ70 1.05.01.24.001—supporting overall equipment functionality and durability.

Function Description

Key Functions of Core Products

• PDC Drill Bit 2159mm ST315RS: Drills through soft to hard rock formations with high efficiency, featuring polycrystalline diamond cutters (PDC) that reduce wear and improve drilling speed by 38% compared to traditional roller bits. It is compatible with ZJ45/ZJ70D drilling rigs and designed for long service life in oilfield drilling operations.

• Boiler WNS2-1.25-5Y Water Supply Pump CDLF 2-150FSWSC: Delivers a stable flow of water to WNS2-1.25-5Y industrial boilers, ensuring consistent boiler operation and preventing dry heating. It has a corrosion-resistant design and can operate continuously for 24 hours, with a flow rate accuracy of ±1.5%.

• Brake Device ZJ-30C Cylinder QGX-25X80/5400600002: Provides hydraulic power for ZJ-30C drilling rig brake systems, enabling quick and stable braking during drilling and lifting operations. It has a stroke of 80mm, working pressure of up to 210MPa, and a service life of 15,000+ working hours.

• ECU 330701010000010000: Controls the electronic system of industrial equipment, processing signals from sensors and regulating component operations. It features a high-speed processing chip, with a response time of ≤0.05 seconds and compatibility with multiple drilling rig and logging equipment models.

• Two-Position Three-Way Reversing Valve ZJ70D 3A220-6: Controls the direction of hydraulic fluid flow for ZJ70D drilling rig hydraulic systems, enabling quick reversal of winch or cylinder operations. It has a compact design, easy installation, and a service life of 12,000+ working hours.

Structural Features

General Structural Advantages

All our parts are engineered to perform reliably in harsh industrial environments, with structural features that ensure durability, compatibility, and safety:

• High-Strength Material Selection: Key components (PDC drill bit 2159mm ST315RS, cardan shaft assembly SWC285×740, hydraulic brake disc P0000463AA) are made of high-carbon alloy steel, PDC material, and wear-resistant cast iron, with a tensile strength of ≥1200MPa and a hardness of HRC 63-67, ensuring resistance to impact, wear, and corrosion.

• Precision Machining: Parts such as Hex socket head cap screw BKD-11-S4, pin ZJ70 BK-4-7A2, and Plum Coupling ML2 are processed by CNC machine tools with a machining accuracy of ±0.003mm, ensuring perfect compatibility with original equipment and no need for secondary modification.

• High-Temperature & High-Pressure Resistance: Seals (H078HS1 seal, spring seal ZJ32 D7-1-67) and hydraulic parts (High pressure ball valve YQ1-25H) are designed to withstand extreme temperatures (-40℃ to 180℃) and pressures (up to 35MPa), maintaining performance in harsh working conditions.

• Safety & Reliability Design: Safety-critical parts (Brake device ZJ-20, Parking brake valve handle 512705050000200000) meet international safety standards, featuring overload protection and emergency braking mechanisms to minimize operational risks. Electrical parts (ECU 330701010000010000, PLC power module PS300) have anti-interference and waterproof designs for stable operation.

• Modular & Easy-to-Install Design: Valves, filters, and brake components adopt a modular structure, allowing for quick installation and disassembly, reducing maintenance time by 48% and minimizing unplanned downtime.

• Corrosion & Wear Resistance: Exposed components (cardan shaft assembly SWC285×740, baffle DQ70 1.05.01.24.001) are treated with anti-corrosion coating, extending service life by 40% in high-humidity and offshore oilfield environments.

Applicable Working Conditions

Our parts are widely applicable to various harsh industrial environments, perfectly matching the operational needs of drilling rigs, boilers, logging equipment, and other industrial machinery:

• Onshore & Offshore Oilfields: Compatible with ZJ20/ZJ30C/ZJ40/ZJ45/ZJ70D drilling rigs, MWD inclinometer systems, and 8.2t pneumatic winches, withstanding high temperature (up to 95℃), high humidity (relative humidity ≥95%), strong wind (wind speed up to 32m/s), and high-salt offshore environments.

• Drilling & Logging Operations: Suitable for PDC drill bit 2159mm ST315RS/2144mm SNC6518, Inclinometer compass 201514, and Disc brake pliers ZJ-40 SY-PS-1600 480-YK, adapting to deep well (depth up to 6,500m) and soft-to-hard formation drilling conditions.

• Industrial Boiler Systems: Applicable to WNS2-1.25-5Y boilers and CDLF 2-150FSWSC water supply pumps, working stably under high temperature (up to 180℃) and high pressure (up to 1.25MPa) conditions.

• Hydraulic & Pneumatic Systems: Matching ZJ-30C telescopic cylinder E721-23000002, Two-position three-way reversing valve 3A220-6, and Air relay 23JQ-L15, operating reliably in high-pressure (up to 35MPa) and high-vibration environments.

• Electrical & Control Systems: Suitable for ECU 330701010000010000, SK-8N07G torque sensor, and PS300 PLC power module, working stably in industrial environments with fluctuating power supply and electromagnetic interference.

Maintenance & Care Recommendations

Proper maintenance of industrial equipment parts is essential to extending their service life and ensuring equipment stability. We recommend the following practical maintenance measures, tailored to our product range:

• Regular Inspection: Check filters (Hydraulic station filter HX-160*10, Oil return filter ZJ50D RF-500x30FM) and seals (H078HS1 seal, O Ring 5300100528) every 500 working hours; replace them if the pressure difference exceeds 0.38MPa or signs of wear/leakage are found. Inspect PDC drill bits monthly for cutter wear.

• Lubrication Maintenance: Apply lithium-based grease (NLGI Grade 2) to cardan shaft assembly SWC285×740, Plum Coupling ML2, and pin BK-4-7B every 1,000 working hours, ensuring sufficient lubrication and reducing friction wear. Lubricate brake device cylinders every 800 working hours.

• Hydraulic & Pneumatic Maintenance: Flush Two-position three-way reversing valve 3A220-6 and High pressure ball valve YQ1-25H every 2,000 working hours to remove internal impurities. Check the ZJ-30C telescopic cylinder E721-23000002 quarterly for leakage and stroke accuracy.

• Electrical & Logging Maintenance: Inspect ECU 330701010000010000 and SK-2Z16 PLC power module PS300 every 6 months for wiring connections and performance. Clean MWD inclinometer compass 201514 every 700 working hours to prevent dust accumulation and ensure measurement accuracy.

• Storage Requirements: Store spare parts in a dry, ventilated warehouse with a temperature of 0-25℃ and relative humidity ≤60%. Avoid direct sunlight, moisture, and contact with corrosive substances (crude oil, chemicals). Electrical and logging parts should be stored in anti-static, moisture-proof packaging.

• Installation Notes: When installing parts such as PDC drill bit 2159mm ST315RS, Brake device ZJ-30C cylinder QGX-25X80/5400600002, and cardan shaft assembly SWC285×740, follow the original equipment manual for torque requirements (38-55 N·m) to ensure tight connections and optimal performance. Avoid over-tightening to prevent component damage.

We supply the following spare parts:

On-Site Fault Repair Cases

Below are 3 real on-site fault repair cases, demonstrating how our parts solve critical equipment issues, minimize downtime, and restore operations quickly:

Case 1: ZJ70D Drill Rig Hydraulic Direction Control Failure

Fault Description: A ZJ70D drilling rig’s hydraulic system failed to reverse direction during winch operations, leading to operational disruption. Inspection showed that the Two-position three-way reversing valve 3A220-6 was clogged and worn, causing internal leakage and pressure loss.

Repair Solution: Replace the faulty valve with our ZJ70D 3A220-6 two-position three-way reversing valve, designed for ZJ70D drilling rigs and fully compatible with the hydraulic system.

Result: The hydraulic system regained normal direction control within 1 hour of replacement, with smooth and precise winch operation. The new valve has been in service for 11,500 working hours, reducing maintenance frequency and costs.

Case 2: WNS2-1.25-5Y Boiler Water Supply Failure

Fault Description: A WNS2-1.25-5Y industrial boiler experienced water supply interruptions, leading to overheating and operational shutdown. Testing confirmed that the CDLF 2-150FSWSC water supply pump was faulty and could not deliver the required water flow.

Repair Solution: Replace the faulty pump with our WNS2-1.25-5Y CDLF 2-150FSWSC water supply pump, fully compatible with the boiler and pre-tested for flow rate and pressure performance.

Result: The boiler regained stable water supply within 1.5 hours of replacement, with no overheating issues. The new pump has been in service for 10,000 working hours, ensuring reliable boiler operation.

Case 3: ZJ-30C Drill Rig Brake Failure

Fault Description: A ZJ-30C drilling rig’s brake system failed to engage properly during lifting operations, posing safety risks. Inspection found that the Brake device ZJ-30C cylinder QGX-25X80/5400600002 was worn, causing hydraulic leakage and reduced braking force.

Repair Solution: Replace the worn cylinder with our QGX-25X80/5400600002 brake cylinder, fully compatible with ZJ-30C brake devices and tested for pressure resistance and sealing performance.

Result: The brake system returned to normal operation within 2 hours of replacement, with stable braking force and no leakage. The new cylinder has been in service for 9,500 working hours, eliminating safety risks and ensuring smooth drilling operations.

FAQ (Frequently Asked Questions)

Procurement Reference & Technical Standards

Procurement Reference Criteria

When purchasing industrial equipment parts, we recommend focusing on the following key points to ensure you select high-quality, compatible products that meet your operational needs:

• Model Compatibility: Confirm that the part model (e.g., PDC drill bit 2159mm ST315RS, ZJ70D 3A220-6 valve, CDLF 2-150FSWSC pump) matches your equipment’s original part number and technical parameters to avoid compatibility issues.

• Quality & Certification: Prioritize parts that meet international standards (ISO 9001:2015, API Spec 7K) and have passed strict quality inspections, with a qualification rate of ≥99.8%.

• Material & Durability: Choose parts made of high-strength, wear-resistant, and corrosion-resistant materials (e.g., high-carbon alloy steel, PDC material) to ensure long service life in harsh industrial environments.

• Performance Parameters: Verify key performance indicators (e.g., drilling speed for PDC bits, flow rate for pumps, pressure resistance for valves) to ensure they meet your equipment’s operational requirements.

• After-Sales Support: Select suppliers that provide comprehensive after-sales service, including technical support, fault diagnosis, and a 12-month warranty for all parts, to ensure timely assistance when needed.

Technical Reference Standards

Our products comply with the following international and national technical standards, ensuring reliable performance, safety, and compatibility with global industrial equipment:

• Drilling & PDC Bit Parts: API Spec 7K (Drilling and Well Servicing Equipment)

• Hydraulic Components: ISO 4401:2010 (Hydraulic Fluid Power - Cylinders - Mounting Dimensions)

• Boiler Parts: ASME Section I (Boiler and Pressure Vessel Code) and GB/T 12224-2016

• Electrical & Control Parts: IEC 60947 (Low-Voltage Switchgear and Controlgear)

• Cables: GB/T 14023-2018 (额定电压450/750V及以下橡皮绝缘电缆)

• General Quality: ISO 9001:2015 (Quality Management Systems - Requirements)

Call to Action: Procure Your Reliable Industrial Equipment Parts Today

Whether you need drilling parts (PDC drill bit 2159mm ST315RS/2144mm SNC6518), brake components (ZJ-30C cylinder QGX-25X80/5400600002), boiler parts (WNS2-1.25-5Y CDLF 2-150FSWSC water supply pump), electrical parts (ECU 330701010000010000), or logging parts (MWD inclinometer compass 201514), we have the right solution for you. Our parts are precision-manufactured, 100% compatible with original equipment, and backed by strict quality control and professional technical support. We are committed to helping you reduce maintenance costs, minimize unplanned downtime, and improve operational efficiency. Contact us now to inquire about product availability, pricing, and technical details, and let us be your trusted partner for industrial equipment parts supply.

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.