Parts Supply: ZJ40, ZJ50D, ZJ50L, ZJ70, ZJ70D

Introduction

We specialize in the production and supply of high-quality, OEM-matched replacement parts for oilfield drilling rigs, industrial pumps, hydraulic systems, cranes, and electrical equipment. Our product range fully covers core components for key equipment models, including ZJ40, ZJ50D, ZJ50L, ZJ70, ZJ70D drilling rigs, J40/2250DB drilling rig cranes, slurry pumps, steering oil pumps (DW40C0706BZ044610), and MWD inclinometer systems. Key products include bonnet pullers (G04050900008AA), two-position three-way rotary valves (F28-35 23ZS-21.25D), brake hubs (42CRMO Φ220-1120/8 P/N 9702012004), filter elements (WF2071, ZJ70 oil return filter element), O-rings (530301170240024000, AS-017, 5303100580), and hundreds of other precision components. Every part is manufactured in strict compliance with API (American Petroleum Institute) standards, ISO 9001 quality management system requirements, and original equipment specifications, ensuring perfect compatibility, reliable performance, and long service life in harsh industrial and oilfield environments.

Target User Segmentation & Core Purpose: Our products are tailored to the specific needs of three core user groups: oilfield drilling operation teams, industrial equipment maintenance engineers, and equipment operation managers. For oilfield teams, we solve the critical pain points of prolonged equipment downtime due to mismatched parts, high maintenance costs, and safety risks from substandard components—especially for ZJ series drilling rigs, J40/2250DB drilling rig cranes, and MWD inclinometer systems. For maintenance engineers, we provide easy-to-install, durable parts that reduce on-site repair time and labor intensity, whether servicing hydraulic valves, pumps, or electrical modules. For operation managers, our cost-effective solutions help control operational costs while ensuring continuous production. The core purpose of our products is to deliver 1:1 OEM-matched parts that maximize equipment uptime, enhance operational safety, and lower long-term maintenance costs—whether you need a ZJ40 check valve, a ZJ70D O-type sealing ring, or a ZJ50D electromagnetic eddy current brake temperature controller.

Product Overview

Key Product Categories & Matched Equipment Models

Our product portfolio covers a comprehensive range of components for oilfield drilling, industrial pumps, hydraulic systems, cranes, and electrical equipment. Each part is strictly matched to specific equipment models to eliminate compatibility risks and ensure seamless replacement. Below are the main product categories and their applicable equipment:

• Drilling Rig Parts: Suitable for ZJ40, ZJ50D, ZJ50L, ZJ70, ZJ70D, DQ70, DQ70BSD drilling rigs, including brake devices (ZJ50L open cylinder combined gasket KG-71, ZJ70 hydraulic control reversing valve 4WH6A50), brake hubs (42CRMO Φ220-1120/8 P/N 9702012004), check valves (ZJ40 PSZ75B BK-FD SP10-00), winch control valve boxes (70D104), gear hubs (W24-01-306), friction discs (W24-07-302), gate assemblies (FZ897.21.11.00), ram bodies (CH02190300110), and baffles (DQ70 1.05.01.24.002, PSZ75A-2-05).

• Crane & Lifting Parts: For J40/2250DB drilling rig cranes, including electric control reversing valves (3R360-RN38PEX) and clutch air bags (WG06311681).

• Pumps & Pump Parts: Applicable to slurry pumps, steering oil pumps (DW40C0706BZ044610), and industrial pumps, including impellers (108056, FAM12147U38, G8147 Slurry Pump Impeller), wash-pipe assemblies (9702032000), exhaust valve guides (1339306), and waterway sealing rings (4E1055).

• Pneumatic & Hydraulic Parts: Matching ZJ series hydraulic systems and industrial hydraulic equipment, including two-position three-way rotary valves (F28-35 23ZS-21.25D), distribution valves (286370/IA347), eight-position shift valves (P55557-3), accumulators (512605020000301003), anti-torque drives (90020502), drive disc assemblies (W36-08-303), and hose straight heads (DQ70BS Y0J0202070180601012 M14×1.5).

• Filters & Seals: Model-specific and universal filters, including cooling system filters (WF2071), ZJ70 oil return filter elements, O-rings (530301170240024000, MWD inclinometer compass O-ring AS-017, main shaft O-ring 425 X 7 P/N 5303100580), ZJ70D O-type sealing rings (D4-4-66 Φ210×5.7), seals (SB68J0038, DQ70BSD gearbox seals 9702020090), cone rings (52090118), and waterway sealing rings (4E1055).

• Electrical & Control Parts: For drilling rig electrical systems and control modules, including Youtai three-phase four-pole connectors (100YT/100GZ), Baoji Youtai aviation plugs (150YT-3P+E-150A), inverters (rectifier module F1850 50A RD), transformers (600/415V CENTER TAP 18KVA 8690262G6), dynamos (2600JB/2500LC), ZJ50D electromagnetic eddy current brake temperature controllers (7090548), pulse modules (5S512-3305MX, 5S469-3305B), pulse amplifier boards, and M/D-TOTCO standpipe pressure sensors (E17-152).

• Fasteners & General Parts: Bonnet pullers (G04050900008AA), pins (pinch tube 306542-05), fittings (JB966), extension springs (DBS75-3-03), gears (P3100008AA), weight gauges, engine repair kits (6V8608), and piston rubbers (5″1/2 P/N 15180227 NATIONAL).

Function Description

Each product is engineered to fulfill the specific functional requirements of its matched equipment, ensuring efficient, safe, and stable operation. The core functions of key product categories are as follows, explained in simple, practical terms:

Drilling Rig & Brake Parts

Brake devices (ZJ50L open cylinder combined gasket KG-71, ZJ70 hydraulic control reversing valve 4WH6A50) provide reliable braking force for ZJ50L and ZJ70 drilling rigs, preventing accidents during drilling and winch operations. Brake hubs (42CRMO Φ220-1120/8 P/N 9702012004) withstand high friction and load, ensuring stable braking performance. Check valves (ZJ40 PSZ75B BK-FD SP10-00) prevent fluid backflow in ZJ40 rig hydraulic systems, maintaining stable pressure. Winch control valve boxes (70D104) regulate winch speed and direction, ensuring precise control of drilling tool lifting.

Pumps & Pump Parts

Slurry pump impellers (G8147, FAM12147U38) and steering oil pumps (DW40C0706BZ044610) transmit fluid and power, ensuring stable operation of industrial and drilling equipment. Wash-pipe assemblies (9702032000) clean drilling pipes, preventing blockages and maintaining drilling efficiency. Exhaust valve guides (1339306) guide exhaust valves in engines, ensuring smooth exhaust and engine performance. Waterway sealing rings (4E1055) prevent fluid leakage in pump waterways, maintaining pump efficiency.

Pneumatic & Hydraulic Parts

Two-position three-way rotary valves (F28-35 23ZS-21.25D) and distribution valves (286370/IA347) regulate the flow direction of hydraulic fluid, enabling smooth switching of equipment working states. Accumulators (512605020000301003) store hydraulic energy, maintaining stable system pressure and reducing energy consumption. Anti-torque drives (90020502) counteract rotational torque in drilling rigs, ensuring stable operation. Drive disc assemblies (W36-08-303) transmit power to drilling components, ensuring efficient energy transfer.

Filters & Seals

Cooling system filters (WF2071) and ZJ70 oil return filter elements remove impurities from cooling fluid and oil, protecting engines and hydraulic systems from wear. O-rings (530301170240024000, AS-017, 5303100580) and ZJ70D O-type sealing rings (D4-4-66 Φ210×5.7) provide reliable sealing for pipelines and components, preventing fluid leakage in high-pressure environments. DQ70BSD gearbox seals (9702020090) protect gearboxes from dust and fluid leakage, extending gearbox service life.

Electrical & Control Parts

Youtai connectors (100YT/100GZ) and Baoji Youtai aviation plugs (150YT-3P+E-150A) ensure stable electrical connections in drilling rig systems. Inverter rectifier modules (F1850 50A RD) convert electrical energy, maintaining stable power supply for equipment. ZJ50D electromagnetic eddy current brake temperature controllers (7090548) monitor and control brake temperature, preventing overheating and ensuring brake safety. M/D-TOTCO standpipe pressure sensors (E17-152) measure drilling fluid pressure, providing accurate data for drilling operations.

Structural Features

Our products are designed with a focus on compatibility, durability, and ease of use—directly addressing the common challenges users face with generic parts, such as poor fit, short service life, and difficult installation. Key structural features include:

• 1:1 OEM Compatibility: Every part is manufactured to the exact specifications of the original equipment. For example, ZJ40 check valves (PSZ75B BK-FD SP10-00), ZJ70D O-type sealing rings (D4-4-66 Φ210×5.7), and DQ70BSD gearbox seals (9702020090) match the original equipment perfectly, allowing direct replacement without modifying the equipment structure or using special tools.

• High-Durability Materials: Key parts use industry-grade materials to withstand harsh conditions—high-strength 42CRMO steel for brake hubs, wear-resistant carbide for pump impellers, Viton for O-rings, and corrosion-resistant steel for electrical connectors. This ensures resistance to wear, corrosion, high temperature, and high pressure, extending part service life.

• User-Friendly Design: We prioritize on-site operation convenience. For example, filter elements (WF2071, ZJ70 oil return filter element) adopt a snap-on design for quick replacement; bonnet pullers (G04050900008AA) are designed for easy disassembly of valve bonnets. Even complex parts like hydraulic control reversing valves (4WH6A50) have clear installation marks, reducing installation time.

• Safety-Critical Design: Parts related to equipment safety—such as brake devices, check valves, and temperature controllers (7090548)—adopt multiple safety structures to prevent failure during high-load or emergency operations, protecting operators and equipment.

Applicable Working Conditions

Our products are built to adapt to the harshest industrial and oilfield environments, ensuring stable performance in diverse scenarios. The main applicable working conditions are as follows:

Oilfield Drilling Scenarios

Suitable for onshore and offshore drilling operations (desert, plateau, coastal) with ZJ40, ZJ50D, ZJ50L, ZJ70, ZJ70D drilling rigs. Products such as brake hubs (9702012004), check valves (ZJ40 PSZ75B), and MWD inclinometer compass O-rings (AS-017) can withstand high temperature, high humidity, dust, vibration, and high pressure, ensuring continuous drilling operations.

Crane & Lifting Scenarios

For J40/2250DB drilling rig cranes and industrial lifting equipment. Electric control reversing valves (3R360-RN38PEX) and clutch air bags (WG06311681) adapt to high-load lifting environments, ensuring smooth and safe lifting operations.

Pump & Hydraulic Scenarios

For slurry pumps, steering oil pumps (DW40C0706BZ044610), and ZJ series hydraulic systems. Impellers (G8147), accumulators (512605020000301003), and waterway sealing rings (4E1055) adapt to high-pressure fluid environments, ensuring stable pump operation and hydraulic control.

Electrical & Control Scenarios

Suitable for drilling rig electrical systems, MWD inclinometers, and industrial control equipment. Youtai connectors (100YT/100GZ), inverter rectifier modules (F1850 50A RD), and pulse modules (5S512-3305MX) adapt to harsh field electrical environments, ensuring stable power supply and signal transmission.

Maintenance & Care Recommendations

Proper maintenance and care can significantly extend the service life of parts, reduce equipment downtime, and lower maintenance costs. Below are practical, easy-to-follow recommendations for on-site teams:

Daily Inspection

Check the condition of seals (SB68J0038, 9702020090), hoses (Y0J0202070180601012), and electrical connectors (150YT-3P+E-150A) daily. Ensure there is no looseness, leakage, or damage. For O-rings (530301170240024000, AS-017) and waterway sealing rings (4E1055), check for aging or cracks—replace them immediately if issues are found to avoid fluid leakage and equipment damage.

Regular Cleaning & Replacement

Replace cooling system filters (WF2071) and ZJ70 oil return filter elements every 25-30 days (or according to equipment operation hours) to maintain filtration efficiency. Clean pump impellers (G8147, FAM12147U38) after each use to remove sludge and debris, preventing wear and ensuring pump efficiency. Clean electrical connectors to avoid contact failure.

Lubrication Maintenance

Apply API-certified lubricating oil to moving parts such as gear hubs (W24-01-306), friction discs (W24-07-302), and drive disc assemblies (W36-08-303) regularly. Follow the equipment manual for lubricant type and quantity to reduce friction loss and extend part service life.

Storage & Handling

Store unused parts in a dry, ventilated, and clean warehouse, away from moisture, dust, and corrosive substances. Precision parts like pulse modules (5S512-3305MX) and O-rings should be kept in sealed packaging to avoid damage. When handling heavy parts (e.g., brake hubs), use appropriate tools to prevent collision and deformation.

Replacement Standards

Replace parts immediately if they show the following signs: excessive wear (e.g., friction discs W24-07-302), deformation (e.g., gate assemblies FZ897.21.11.00), leakage (e.g., gearbox seals 9702020090), or failure to meet operational requirements (e.g., temperature controllers 7090548 with inaccurate readings).

We supply the following spare parts:

On-Site Fault Repair Cases

Below are 3 real on-site fault repair cases, providing practical references for users to solve similar technical problems and demonstrating the reliability of our products in real-world scenarios:

Case 1: ZJ40 Drilling Rig Hydraulic System Backflow

Fault Phenomenon: During ZJ40 drilling rig operation, the hydraulic system had fluid backflow, leading to unstable pressure and reduced winch performance. Fault Analysis: Inspection found that the ZJ40 check valve (PSZ75B BK-FD SP10-00) was worn and could not prevent backflow. Solution: Replace the check valve with our ZJ40-specific part. After installation, the hydraulic system pressure was stable, and backflow was eliminated. Key Point: Using model-matched check valves ensures reliable fluid control and avoids system damage.

Case 2: Slurry Pump Impeller Wear & Efficiency Loss

Fault Phenomenon: A slurry pump equipped with G8147 impeller had reduced output efficiency and increased noise, affecting drilling fluid circulation. Fault Analysis: The impeller was severely worn due to long-term contact with abrasive slurry. Solution: Replace the impeller with our G8147 slurry pump impeller. After installation, the pump’s output efficiency returned to normal, and noise was reduced. Key Point: OEM-matched impellers ensure perfect fit and restore pump performance quickly.

Case 3: ZJ70D Drilling Rig Gearbox Leakage

Fault Phenomenon: The ZJ70D drilling rig gearbox had oil leakage, leading to oil loss and potential gear damage. Fault Analysis: The DQ70BSD gearbox seal (9702020090) was aging and cracked, losing sealing performance. Solution: Replace the gearbox seal with our DQ70BSD-specific 9702020090 part. After replacement, there was no oil leakage, and the gearbox operated normally. Key Point: Model-specific seals ensure reliable sealing and protect critical components like gearboxes.

FAQ (Frequently Asked Questions)

Procurement Reference & Technical Standards

Procurement Reference Standards

To ensure you purchase the right parts for your equipment, follow these simple procurement guidelines:

• Confirm Equipment & Part Details: Provide your equipment model (e.g., ZJ70D, DQ70BSD) and the original part number (e.g., D4-4-66 Φ210×5.7, 9702020090) to avoid compatibility issues.

• Verify Performance Parameters: Check the part’s material, size, and working pressure to ensure it matches your equipment’s operating conditions (e.g., high-pressure hydraulic systems, harsh oilfield environments).

• Prioritize Quality & Compatibility: Choose parts that meet API, ISO, or OEM standards to ensure reliability—this reduces the risk of frequent replacements and equipment damage.

Technical Reference Standards

Our products comply with international and industry standards to ensure safety and performance: API 7-1 for drilling rig parts, API 16C for hydraulic components, ISO 9001 for quality management, and OEM specifications for all replacement parts. Every part undergoes strict quality inspection (dimensional testing, material analysis, pressure testing) before leaving the factory, ensuring it meets the technical requirements of your equipment and can work stably in harsh environments.

Call to Purchase

We are dedicated to providing high-quality, OEM-matched replacement parts for oilfield and industrial equipment. Whether you need ZJ series drilling rig parts, J40/2250DB crane parts, slurry pump components, or electrical control modules, we have a comprehensive range to meet your needs. Our products offer perfect compatibility, long service life, and professional technical support—helping you reduce equipment downtime, lower maintenance costs, and ensure continuous production. Contact us now to provide your equipment model and part requirements, and we will offer a customized procurement plan and competitive quotation. Choose our parts to keep your equipment running efficiently and reliably, with the peace of mind that comes from using high-quality, compatible components.

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Emeil: [email protected]   whatsapp: +86 15275658619

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