Parts for DQ70BS Top Drives, ZJ30C/ZJ70D Drills

Introduction

We specialize in manufacturing and supplying high-precision, OEM-compatible industrial spare parts, engineered to fit and optimize the performance of a wide range of heavy-duty industrial equipment across oil drilling, hydraulic systems, electrical control, mechanical transmission, and drilling auxiliary sectors. Our comprehensive product portfolio covers core components for DQ series top drives (DQ70BS, DQ70BSD), ZJ series drilling rigs (ZJ30C, ZJ45, ZJ70D), cranes (J40/2250DB, ZJ-70D), frac trucks, and drilling auxiliary equipment (inclinometers, mud mixers, slurry pumps). Key products include Airbag Fixing Plate W36-01-301, Centralization Sleeve 9703641008, Brake Disc 9702021003 TDS, Oil Filter 1R0716, and ZJ30C Telescopic Cylinder Repair Kit JJ18038. Every part is produced in compliance with international industry standards (API 7 for drilling equipment, ISO 9001 for quality management, IECEx for explosion-proof components, GB/T 1235 for O-rings, and GB/T 19001-2008 quality management standards), adhering strictly to OEM dimensional and performance specifications. We address the critical needs of oil and gas exploration, industrial maintenance, and drilling operations—where unplanned equipment downtime directly impacts productivity, safety, and operational costs. Our components are engineered to withstand harsh industrial conditions, including high pressure, heavy vibration, extreme temperatures, and hazardous environments, ensuring reliable performance and extended service life for critical machinery.

Core Purpose & Target User Needs

Target User Segments

Our spare parts are tailored to serve three core user groups with distinct, specialized needs: 1) Oil drilling companies operating DQ series top drives (DQ70BS, DQ70BSD), ZJ series rigs (ZJ30C, ZJ45, ZJ70D), cranes (J40/2250DB, ZJ-70D), frac trucks, and drilling auxiliary equipment (inclinometers, mud mixers, slurry pumps)—relying on critical components for safe, continuous, and efficient drilling, lifting, and fracturing operations; 2) Industrial maintenance teams responsible for hydraulic systems (hydraulic cylinders, plunger pumps, valves, hoses), mechanical components (bearings, bushings, brake discs, clutches), electrical control systems (DC ammeters, power boxes, explosion-proof sockets), and auxiliary equipment (air filters, dryers, winches); 3) Procurement departments and equipment distributors seeking reliable, cost-effective spare parts that match OEM specifications, with access to technical support for installation, troubleshooting, and maintenance—especially for critical components that directly impact equipment safety, operational efficiency, and compliance with industry standards.

Core Purpose

The primary goal of our industrial spare parts is to eliminate unplanned equipment downtime, extend machinery service life, and ensure safe, consistent operation in harsh industrial environments. We directly solve the top pain points of our users—including frequent part wear (O-rings, brake discs, bearings), mismatched components causing system failure, difficulty sourcing OEM-compatible parts for specialized equipment (e.g., DQ70BS top drives, ZJ70D disc brakes, J40/2250DB cranes), complex maintenance processes, and lack of reliable technical guidance—by delivering precision-manufactured parts that fit seamlessly with original equipment. Our parts balance durability, compatibility, and cost-effectiveness, helping users reduce long-term maintenance costs while maximizing operational efficiency and safety across drilling, hydraulic, electrical, and mechanical applications. We prioritize compliance with global industry standards, ensuring our products meet the rigorous requirements of high-demand industrial settings.

Product Overview

Key Product Categories & Models (with Equipment Compatibility)

Our product range covers all critical components required to keep your industrial equipment running efficiently, with clear compatibility to help you quickly identify the right part for your needs. Below are the core categories, key models, and their specific equipment fits:

• Seals & Gaskets: Rectangular Seal 60201K0322, O Ring 530301011600070001, Oil Seal 1838453, Spring Seal ZJ45 170×200×15

• Filters & Filter Components: Air Filter 4P0711/4P0710, Oil Filter 1R0716, Filter Element 9M2342

• Mechanical Components & Bearings: Airbag Fixing Plate W36-01-301, Centralization Sleeve 9703641008, Main Bearing Cover AH360010201C00, Impeller Shaft 3521033, Bushing BK-3-7A4, Intermediate Chainring 515883, Platen T201-1004, Brake Disc 9702012003 TDS, Crosshead Bearing ZJ50 SWC250DH, Small Wheel JJ7466051702, GAM14147 Slurry Pump Impeller

• Drill Rig, Top Drive & Crane Components: Crane J40/2250DB Steady Flow Overflow Valve R10-PH-10, Pneumatic Winch ZJ40/2250DB Rope Guide YS-ⅡB, Brake Device ZJ-30C Pressure Regulating Valve L20E-40E, Brake Device ZJ-70 Disc Brake Hydraulic Station Water Pipeline XK13-204-00174.2, Crane ZJ-70D Superimposed Speed Control Valve MFP-01-10, Electric Drilling Rig Disc Brake ZJ70D Quick Connector H4-62 H4-63, Plug Valve DQ70BS T75020200 197×520, PSZ65A/PSZ65D Safety Cylinder Assembly, Push Disc Clutch Assembly & CJ-30 Double Ring Clutch Driven Disc 5658P, Brake Adjustment Screw ZJ45 106.02.50.30 ZJ-126

• Hydraulic & Pneumatic Components: Hose Assembly 414247063H, Manual Pressure Regulating Valve JYSQ 21.25MPa 0~14MPa, Plunger Pump Universal 52R-PPA14, Quick Exhaust Valve 512704070100081509, Lifting Hydraulic Device ZJ30C Telescopic Cylinder Repair Kit JJ18038, High Pressure Control Valve Manual Plate Valve PFF 78/105, Double Acting Piston Cylinder GS-F75X58 QG.00, HD-2-FX/P50970-1/IA-295 Main Drum Combination Valve, Flame Retardant Hose Assembly 140507021001007113, Quick Connector Z07270000007AA

• Electrical & Control Components: High-Voltage Electrical Equipment 0801-0007-02 DC Ammeter 0-2000V, Baoji Youtai EX15YT/YZ Non-Spark Single Three-Level Mobile Plug Socket, Power Box DQ70BSD 3301020250

• Fastening & Connecting Components: Screw T500-1002, Inclinometer YST-48R Wireless While Drilling Inclinometer Screw 4803167, Washer 103325, Washer 9422847

• Drilling Auxiliary & Other Equipment Components: Repair Kit 6V9222/2341874, Frac Truck Belt 3R5V1180, Valve Plate VA20-HA322, Pump Ejector Cover SA207007, Mud Mixer JB15, Distilled Water HS.Z68-20, Dryer Assembly Z08370000001AA, Drain Valve IA-193, Assembly Number W36-11-313

Function Description

Each of our spare parts is designed to perform a specific, critical function that directly impacts the safety, efficiency, and longevity of your equipment. Below is a simple, easy-to-understand breakdown of core functions for key product categories, aligned with real-world industrial applications:

1. Seals, Filters & Hydraulic Components

The O Ring 530301011600070001 and Rectangular Seal 60201K0322 create tight, reliable seals in hydraulic and pneumatic systems, preventing fluid leakage and protecting internal components from contamination. The Air Filter 4P0711/4P0710 filters air entering engines and pneumatic systems, reducing wear and extending component life. The Oil Filter 1R0716 and Filter Element 9M2342 remove contaminants from oil, ensuring clean operation of hydraulic, lubrication, and fuel systems. The Plunger Pump 52R-PPA14 delivers high-pressure hydraulic fluid, powering rig and crane actuators. The Manual Pressure Regulating Valve JYSQ controls hydraulic pressure, enabling precise operation of lifting and drilling components.

2. Mechanical & Transmission Components

The Centralization Sleeve 9703641008 aligns drill pipes, ensuring stable drilling and reducing wear on pipe connections. The Brake Disc 9702012003 TDS provides reliable braking performance for drilling rigs, ensuring safe stopping during operations. The Crosshead Bearing ZJ50 SWC250DH reduces friction between moving components in ZJ50 rigs, ensuring smooth transmission and extending part life. The Push Disc Clutch Assembly and CJ-30 Driven Disc 5658P enable smooth engagement and disengagement of transmission systems, ensuring controlled power delivery. The Intermediate Chainring 515883 transfers power in rig transmission systems, supporting heavy loads and continuous operation.

3. Drill Rig, Top Drive & Crane Components

The Crane J40/2250DB Steady Flow Overflow Valve R10-PH-10 regulates hydraulic flow, ensuring stable crane operation and preventing overpressure. The ZJ30C Telescopic Cylinder Repair Kit JJ18038 repairs and maintains lifting hydraulic devices, restoring cylinder performance and preventing leaks. The ZJ70D Disc Brake Hydraulic Station Water Pipeline XK13-204-00174.2 cools brake systems, maintaining optimal braking performance. The Pneumatic Winch ZJ40/2250DB Rope Guide YS-ⅡB guides winch ropes, preventing tangling and ensuring safe lifting. The Plug Valve DQ70BS T75020200 197×520 controls fluid flow in DQ70BS top drives, ensuring reliable operation.

4. Electrical, Control & Auxiliary Components

The DC Ammeter 0-2000V (0801-0007-02) monitors electrical current in high-voltage systems, providing real-time data for safe operation. The Baoji Youtai EX15YT/YZ Non-Spark Plug Socket provides secure, explosion-proof electrical connections in hazardous environments, preventing sparks and ensuring safety. The Power Box DQ70BSD 3301020250 distributes power to DQ70BSD top drive components, ensuring stable electrical supply. The Dryer Assembly Z08370000001AA removes moisture from compressed air, protecting pneumatic components from corrosion. The Inclinometer YST-48R Screw 4803167 secures wireless inclinometers, ensuring accurate angle measurement during drilling.

Structural Features

Our spare parts are engineered with durability, compatibility, and ease of use in mind, featuring structural advantages that solve real-world challenges for industrial users. These features are designed to maximize performance, minimize maintenance, and meet global industry standards:

1. OEM-Level Precision & Compatibility

All parts are manufactured to match the exact dimensional and performance specifications of original equipment, including DQ70BS/DQ70BSD top drives (Plug Valve T75020200, Power Box 3301020250), ZJ series rigs (ZJ30C Telescopic Cylinder Repair Kit JJ18038, ZJ70D Disc Brake Quick Connector H4-62), and cranes (J40/2250DB Overflow Valve R10-PH-10), ensuring seamless integration without modifications. For example, the Brake Adjustment Screw ZJ45 106.02.50.30 is precision-machined to fit ZJ45 rig brakes, and the Centralization Sleeve 9703641008 is tailored for drill pipe alignment—eliminating the risk of mismatched parts and system failure. The O Ring 530301011600070001 complies with standard specifications, ensuring compatibility with a wide range of hydraulic systems.

2. High-Durability Materials & Construction

Critical components are made from premium materials to withstand harsh industrial conditions: The Brake Disc 9702012003 TDS is made from high-strength, heat-resistant steel, withstanding high temperatures and wear during braking. The Crosshead Bearing ZJ50 SWC250DH is constructed from hardened steel and wear-resistant alloys, ensuring long service life in high-load, high-vibration environments. The Flame Retardant Hose Assembly 140507021001007113 is made from flame-retardant materials, meeting safety standards for hazardous environments. The Spring Seal ZJ45 170×200×15 is made from high-temperature, oil-resistant rubber, preventing leakage in high-pressure systems. The GAM14147 Slurry Pump Impeller is forged from wear-resistant materials, withstanding abrasive mud and extending pump life.

3. User-Friendly & Maintenance-Friendly Design

Many parts feature modular and easy-to-install designs to reduce maintenance time and labor costs. Repair Kits JJ18038 and 6V9222/2341874 include all necessary components for quick repairs, minimizing downtime. Filter Elements 1R0716 and 9M2342 are designed for easy replacement, allowing maintenance teams to quickly service filter systems. The Quick Connector Z07270000007AA and H4-62/H4-63 feature plug-and-play designs, simplifying hydraulic and electrical connections. The Screw T500-1002 and Inclinometer Screw 4803167 feature standard sizes, making them easy to install and replace with common tools. The Dryer Assembly Z08370000001AA is designed for easy maintenance, with accessible components for cleaning and replacement.

4. Compliance with Global Industry Standards

All our parts meet or exceed international industry standards, including API 7 (for drilling equipment), ISO 9001 (quality management), IECEx (for explosion-proof components), and GB/T 1235 (for O-rings). We adhere to strict quality control processes throughout production, ensuring each part meets OEM performance requirements. Hydraulic components (valves, hoses, pumps) meet pressure rating standards for high-pressure applications, and electrical components (DC ammeters, explosion-proof sockets) comply with industrial electrical safety standards. The API 7-compliant top drive and rig components ensure reliable performance in critical drilling operations, while explosion-proof parts meet IECEx standards for use in hazardous environments.

Applicable Working Conditions

Our spare parts are engineered to perform reliably in the most challenging industrial environments, making them suitable for the following scenarios—with a focus on compatibility and durability:

• Oil Drilling Sites: Compatible with DQ70BS/DQ70BSD top drives, ZJ30C/ZJ45/ZJ70D rigs, J40/2250DB/ZJ-70D cranes, and drilling auxiliary equipment, operating in high-temperature (up to 150℃), high-pressure (up to 21.25MPa), dusty, humid, and high-vibration environments—ideal for onshore and offshore drilling operations.

• Industrial Hydraulic & Pneumatic Systems: Suitable for plunger pumps, pressure regulating valves, telescopic cylinders, and winches, operating in high-pressure, high-vibration environments where reliable fluid control and power transmission are critical.

• Electrical & Control Systems: Perfect for DC ammeters, explosion-proof plug sockets, and power boxes, operating in harsh industrial and hazardous environments where stable electrical performance and safety are essential.

• Hazardous & Heavy-Duty Environments: Our parts are designed to withstand heavy loads, constant vibration, and exposure to dust, oil, and chemicals—suitable for mining, construction, and oilfield operations where equipment reliability is essential. Flame-retardant and explosion-proof components meet safety standards for hazardous areas, while mechanical parts withstand extreme wear and tear.

Maintenance & Care Recommendations

Proper maintenance of spare parts is essential to extend their service life, ensure optimal equipment performance, and reduce unplanned downtime. Below are practical, easy-to-follow tips for daily use and maintenance, tailored to the unique needs of industrial drilling and hydraulic equipment:

1. Regular Inspection

Inspect seals (530301011600070001, 60201K0322), filters (4P0711/4P0710, 1R0716), and bearings (SWC250DH) monthly for wear, damage, or leakage—replace immediately if issues are found to prevent system failure. Check electrical components (DC ammeter 0801-0007-02, EX15YT/YZ plug socket) for loose connections or damage, as these can compromise equipment control. Inspect brake discs (9702012003 TDS) and clutch assemblies (5658P) for wear after each drilling shift, as excessive wear can reduce safety and efficiency. Examine top drive components (Plug Valve T75020200, Power Box 3301020250) for mud buildup and damage.

2. Cleaning & Lubrication

Clean air filters (4P0711/4P0710) and oil filters (1R0716) every 3 months to remove debris and prevent clogging—replace filters if they are heavily contaminated. Lubricate bearings (SWC250DH), bushings (BK-3-7A4), and chainrings (515883) with high-temperature, heavy-duty lubricating grease to reduce friction and wear. Flush hydraulic lines (Hose Assembly 414247063H) and valves (R10-PH-10, L20E-40E) annually to remove contaminants and maintain fluid flow. Clean brake discs (9702012003 TDS) and winch rope guides (YS-ⅡB) regularly to remove dust and debris, ensuring optimal performance. Wipe down electrical components to remove dust and prevent overheating.

3. Storage Guidelines

Store spare parts in a dry, clean, and temperature-controlled environment (10-25℃) to avoid rust, corrosion, and material degradation. Seals and rubber components (530301011600070001, 60201K0322) should be stored away from direct sunlight, heat sources, and chemicals to prevent aging and cracking. Electrical components (DC ammeter, plug socket) should be stored in anti-static packaging to protect sensitive electronics from static damage. Metal components (bearings, brake discs, shafts) should be coated with anti-rust oil during storage to prevent corrosion. Fasteners and small parts should be stored in organized containers to avoid loss or damage.

4. Replacement Schedule

Follow these recommended replacement intervals to ensure optimal performance and safety: Filters and filter elements every 6 months or 500 operating hours; seals and O-rings every 6-12 months (or sooner if leakage is observed); bearings (SWC250DH) and bushings (BK-3-7A4) every 24 months or during equipment overhauls; brake discs (9702012003 TDS) and clutch assemblies (5658P) every 18-24 months (depending on usage); electrical components (DC ammeter, power box) every 5 years or if performance issues arise. Repair kits should be used to service components at the first sign of wear, and safety cylinder assemblies (PSZ65A/PSZ65D) should be inspected annually and replaced if necessary.

We supply the following spare parts:

On-Site Fault Repair Cases

Below are three real-world repair cases from our clients, demonstrating how our spare parts solve common equipment issues, minimize downtime, and restore optimal performance. These cases reflect actual scenarios in oil drilling and industrial operations, highlighting the reliability of our components:

Case 1: DQ70BS Top Drive Fluid Leakage

Problem: A drilling company reported their DQ70BS top drive was experiencing persistent fluid leakage, leading to reduced hydraulic system pressure and increased maintenance costs. Root Cause: Worn original O ring unable to withstand high pressure, resulting in seal failure. Solution: Replaced with our O Ring 530301011600070001 and inspected the top drive hydraulic system for other potential leaks. Result: Fluid leakage completely stopped, hydraulic system pressure restored, and maintenance costs reduced—downtime reduced to 1 hour, with reliable performance for 10 months of daily use.

Case 2: ZJ30C Rig Lifting Hydraulic Device Failure

Problem: A ZJ30C rig’s lifting hydraulic device was unable to extend and retract properly, disrupting drilling operations. Root Cause: Damaged telescopic cylinder seals and components, requiring a full repair. Solution: Installed our ZJ30C Telescopic Cylinder Repair Kit JJ18038 and overhauled the hydraulic cylinder. Result: Lifting device performance restored, smooth extension and retraction resumed, and drilling operations continued without further issues—downtime reduced to 2.5 hours, with no problems reported after 9 months.

Case 3: ZJ70D Rig Disc Brake Malfunction

Problem: A ZJ70D rig’s disc brake system was failing to stop reliably, posing serious safety risks during drilling operations. Root Cause: Worn original brake disc 9702012003 TDS, reducing braking efficiency and causing uneven wear. Solution: Replaced with our Brake Disc 9702012003 TDS and adjusted the brake calipers. Result: Braking performance fully restored, safety risks eliminated, and rig operation resumed safely—downtime reduced to 1.5 hours, with consistent performance since replacement.

FAQ (Frequently Asked Questions)

Procurement Guide & Technical Problem-Solving Reference

Procurement Reference Standards

To ensure you select the right spare parts for your equipment, follow these simple procurement guidelines—focused on compatibility, quality, and compliance:

• Match your equipment model (e.g., DQ70BS, ZJ30C, ZJ70D) with the corresponding part number or specification (e.g., 9703641008, 1R0716, 9702012003) for precise compatibility. For OEM-specific parts, verify the original part number to ensure a perfect fit.

• Verify the part’s material and performance specifications (e.g., high-pressure seals for hydraulic systems, wear-resistant brake discs for rigs, explosion-proof electrical parts) to ensure it fits your working conditions. For hydraulic components, check pressure rating compliance; for electrical parts, confirm IECEx certification if needed.

• Check for industry certifications (API 7, ISO 9001, IECEx) to ensure the part meets safety and performance standards for your application, especially in critical drilling or hazardous operations. This ensures compliance and reduces the risk of equipment failure.

Technical Problem-Solving Reference

Our spare parts are designed to solve common technical issues in industrial equipment. Below are key references to help you troubleshoot quickly and minimize downtime:

• DQ70BS top drive fluid leakage: Replace the O Ring 530301011600070001 to eliminate leakage, restore hydraulic pressure, and protect top drive components.

• ZJ30C rig lifting hydraulic device failure: Use the Telescopic Cylinder Repair Kit JJ18038 to overhaul the cylinder, restore lifting performance, and resume drilling operations.

• ZJ70D rig disc brake malfunction: Replace the Brake Disc 9702012003 TDS to restore reliable braking, eliminate safety risks, and ensure safe rig operation.

Call to Action for Procurement

Whether you need a single component (e.g., O Ring 530301011600070001, ZJ30C Telescopic Cylinder Repair Kit JJ18038, Brake Disc 9702012003 TDS) or a full set of spare parts for your DQ series top drive, ZJ rig, crane, or drilling auxiliary equipment, we are here to meet your needs. Our parts offer superior durability, OEM-level compatibility, and compliance with international industry standards—backed by professional technical support and strict quality assurance. We prioritize delivering reliable components that keep your equipment running safely and efficiently, reducing unplanned downtime and long-term maintenance costs. Contact us today to discuss your specific requirements, get a detailed quote, and secure the spare parts you need to maintain optimal operational performance. We are committed to providing the most reliable solutions for your industrial drilling, hydraulic, electrical, and mechanical equipment needs.

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