ZJ-70D, WNS2-1.25-5Y, ZJ45, ZJ70D, DZH1-0.7A

Introduction

In the demanding environments of oilfield drilling (ZJ30C, ZJ45, ZJ70D series), industrial boiler operation (DZH1-0.7A/10T, WNS2-1.25-5Y), and heavy machinery maintenance, equipment reliability hinges on the performance of critical spare parts. Unexpected failures of components like O-rings, turbochargers, or hydraulic seals can lead to costly downtime, safety hazards, and reduced operational efficiency. This guide outlines a comprehensive range of precision-engineered replacement parts, specifically designed to address these challenges.

We specialize in the production and supply of mission-critical components, including the O-ring ZC90×53 (GB34521-92), Water Pump 9N3076, Ceramic Cylinder Liner Y001-130700(S), Turbocharger 7C-2485, and the Rotary Oil Filter TF-160X180LZJ50D/3150, alongside over 50 other essential parts such as hydraulic cylinders, clutches, and measuring instruments. Our target users—oilfield drilling contractors, industrial plant maintenance teams, and heavy machinery service providers—demand parts that not only meet OEM specifications for seamless replacement but also deliver superior durability and performance in harsh operating conditions.

Core Purpose

The core purpose of our supplied parts is to ensure the uninterrupted, safe, and efficient operation of heavy industrial equipment. Engineered to resolve common pain points including seal leakage, component wear, pressure instability, and system overheating, these parts extend the mean time between failures (MTBF) of critical systems. For instance, our high-grade O-rings prevent fluid leakage in hydraulic circuits, reducing equipment damage and maintenance costs, while our turbochargers restore engine power and fuel efficiency. By adhering to stringent international standards (API, ISO, GB), our products reduce unscheduled maintenance by an average of 35% and lower total cost of ownership (TCO) for our customers, directly supporting their operational productivity and profitability.

Product Introduction

Core Product Categories & Compatibility

Our extensive product range covers key systems in oilfield drilling, industrial boilers, and heavy machinery, with each model precision-matched to specific equipment types:

• Sealing & Filtration Parts: O-ring ZC90×53 (GB34521-92), O-ring 9H3360, Oil Seal 530214090090, Filter Element 142-1404, Rotary Oil Filter TF-160X180LZJ50D/3150

• Hydraulic & Pneumatic Components: Clamping Cylinder LB010540-00B1, Three-position Four-way Manual Reversing Valve 2-HA-2, Hydraulic Motor \ZJ70D NHM11-1200, Hose Assembly DQ70BSC 9775227001

• Engine & Power Parts: Water Pump 9N3076, Turbocharger 7C-2485, Starter 6V0890, Dynamo 19020307, Power Supply LNL-CTX-6 12V/7Ah

• Boiler & Thermal Parts: Boiler DZH1-0.7A/10T Induced Draft Fan Impeller, Boiler WNS2-1.25-5Y Diesel Filter Assembly J6CCE10025P, Ceramic Cylinder Liner Y001-130700(S)

• Mechanical Transmission Parts: LT Ordinary Pneumatic Tire Clutch -LT400-125T, Winch Drive Shaft ZJ70 Pipe 161.5 L=670/106.33.20.03, Clutch Pin LT1070200, Bushing B075C23

• Control & Instrument Parts: MWD Compensation Capsule Outer Cylinder 406093, Y/F010 MA1 Pressure Measuring Point, SZJ Transmitter Cable DLINE.ZT-2A 20m, Vibration Motor MVE3000/15D 35kN 28A 3kW

Function Description

Key Functional Advantages of Core Models

Each product is designed to perform its intended function with precision and reliability, validated through rigorous testing to meet industry performance benchmarks:

1. Sealing Performance: The O-ring ZC90×53 (GB34521-92) complies with the GB34521-92 standard, utilizing high-quality nitrile rubber (NBR) with a Shore hardness of 70±5. It offers exceptional resistance to oil, heat, and pressure (up to 35MPa), ensuring a tight seal in hydraulic cylinders and pipelines to prevent leakage. The O-ring 9H3360 features a reinforced design, extending its service life by 40% in high-vibration drilling environments.

2. Fluid & Air Management: The Water Pump 9N3076 delivers a flow rate of 120L/min at 1500rpm, efficiently circulating cooling or lubricating fluid in engines and hydraulic systems. The Rotary Oil Filter TF-160X180LZJ50D/3150 adopts a multi-layer filtration structure, with a filtration accuracy of 10μm and a dirt-holding capacity of 150g, effectively removing impurities from oil to protect engine components.

3. Power & Transmission: The Turbocharger 7C-2485 increases engine air intake by 30%, boosting power output by 15% while reducing fuel consumption. The LT400-125T pneumatic tire clutch provides a maximum torque of 1250N·m, enabling smooth engagement and disengagement in heavy-duty transmission systems, with a response time of less than 0.5 seconds.

4. Boiler Efficiency: The Boiler DZH1-0.7A/10T induced draft fan impeller is dynamically balanced, ensuring stable airflow to maintain boiler combustion efficiency at 90%. The Ceramic Cylinder Liner Y001-130700(S) offers high wear resistance (3x that of cast iron liners) and thermal stability, extending the service life of boiler cylinders by 20,000 operating hours.

Structural Features

All parts incorporate advanced structural designs to address the unique challenges of heavy industry, exceeding OEM durability standards:

1. Material Innovation: Critical components like the Ceramic Cylinder Liner Y001-130700(S) use high-alumina ceramic matrix composite material, providing superior wear resistance and corrosion resistance compared to traditional metal liners. The Vibration Motor MVE3000/15D features a cast aluminum alloy housing with a heat dissipation structure, reducing operating temperature by 15°C and extending motor life.

2. Precision Machining: Parts such as the Winch Drive Shaft (16*1.5 L=670) and Hex Head Bolt with Hole (DQ70BSD 4202001771 M20×40) are manufactured with CNC precision machining, achieving a dimensional tolerance of ±0.02mm. This ensures a perfect fit with original equipment, eliminating installation gaps and reducing the risk of loosening under high load.

3. Modular Design: Repair kits and filter assemblies (e.g., Rotary Oil Filter TF-160X180LZJ50D/3150) adopt a modular structure, allowing for easy replacement of worn components without disassembling the entire system. This reduces maintenance time by 50% and lowers inventory costs for users.

4. Safety Enhancement: The Clamping Cylinder LB010540-00B1 is equipped with a mechanical lock device, ensuring stable clamping even in the event of hydraulic failure. The Brake Disc Brake Pad DBS75-2-01-87 uses a low-metallic friction material, providing a braking friction coefficient of 0.35-0.45 and reducing brake noise by 20dB.

Suitable Operating Conditions

Our products are rigorously tested to perform reliably in the harshest operating environments across multiple industries:

• Oilfield Drilling Sites: Rated for temperatures from -40°C to 120°C, compatible with ZJ30C, ZJ45, ZJ70D drilling rigs. Designed to withstand high vibration (5-2000Hz), salt spray corrosion (NACE MR0175 compliant), and dusty conditions.

• Industrial Boiler Rooms: Operate in ambient temperatures up to 60°C, with exposure to hot steam, flue gases, and chemical corrosion. Suitable for 24/7 continuous operation of DZH1-0.7A/10T and WNS2-1.25-5Y boilers.

• Heavy Machinery & Hydraulic Systems: Function in hydraulic pressures up to 40MPa and temperatures from -20°C to 80°C. Resistant to oil, hydraulic fluid, and mechanical impact, making them ideal for construction machinery, mining equipment, and winch systems.

Maintenance & Care Guidelines

Proper maintenance is essential to maximize the service life of these components. Follow these professional guidelines to ensure optimal performance:

1. Pre-Installation Preparation:

￮ Clean all mating surfaces thoroughly to remove dirt, oil, and debris—critical for sealing parts like O-rings (ZC90×53, 9H3360) to prevent leakage.

￮ Inspect parts for physical damage (cracks, deformation, wear) before installation. For hydraulic components (e.g., Clamping Cylinder LB010540-00B1), perform a pressure test to ensure no leakage.

2. Scheduled Replacement Intervals:

￮ Filters & Seals: Replace filter elements (142-1404, TF-160X180LZJ50D/3150) every 250 operating hours or when the pressure differential exceeds 1.2 bar. Inspect O-rings and oil seals annually for signs of aging (cracking, hardening) and replace as needed.

￮ Wear Parts: Inspect brake pads (DBS75-2-01-87) and clutch pins (LT1070*200) every 500 hours. Replace if wear exceeds 3mm or 2mm, respectively.

￮ Engine Parts: Service water pumps (9N3076) and turbochargers (7C-2485) every 1000 hours, including cleaning impellers and checking for shaft wear.

3. Lubrication & Calibration:

￮ Lubricate moving parts (drive shafts, bushings, clutch pins) with high-temperature lithium-based grease (200°C+) to reduce friction and wear.

￮ Calibrate pressure measuring points (Y/F010 MA1) and transmitters annually using a standard calibrator to maintain measurement accuracy (±0.5% FS).

4. Storage Best Practices:

￮ Store rubber components (O-rings, air bags, rubber pads) in a cool, dry environment (0-25°C, 40-60% humidity) to prevent ozone cracking and aging.

￮ Keep electrical parts (power supply, transmitter cables) in anti-static packaging to avoid damage from static electricity.

We supply the following spare parts:

On-Site Fault Maintenance Cases

These real-world examples demonstrate how our parts resolve critical operational issues and restore equipment performance:

Case 1: Oilfield Drill Hydraulic System Leakage (ZJ45 Rig)

Fault: A ZJ45 drilling rig experienced sudden hydraulic pressure loss during well control operations, traced to a failed O-ring (ZC90×53) in the main hydraulic cylinder. The original O-ring had degraded due to high pressure and temperature, causing oil leakage and system inefficiency.

Solution: Replaced the worn O-ring with our O-ring ZC90×53 (GB34521-92), which is manufactured to the latest GB standard and offers 35% higher pressure resistance. The installation was completed within 15 minutes, with no additional modifications required.

Result: Hydraulic system pressure was restored to the rated 32MPa, and the well control operation proceeded without further issues. The new O-ring has operated for over 800 hours with no signs of leakage, ensuring stable system performance.

Case 2: Boiler Combustion Efficiency Drop (DZH1-0.7A/10T Boiler)

Fault: An industrial boiler (DZH1-0.7A/10T) showed a 20% drop in steam output and increased fuel consumption. Inspection revealed the induced draft fan impeller was worn and unbalanced, leading to poor airflow and incomplete combustion.

Solution: Installed our Boiler Induced Draft Fan Impeller, which is dynamically balanced and made of high-chromium wear-resistant steel. The impeller’s aerodynamic design ensures optimal airflow, matching the original equipment’s performance parameters.

Result: Boiler steam output returned to the rated 1 ton/h, fuel consumption decreased by 12%, and combustion efficiency improved to 92%. The boiler has operated stably for 6 months with no performance degradation.

Case 3: Construction Machinery Engine Power Loss (Hydraulic Motor)

Fault: A hydraulic motor (NHM11-1200) on a ZJ70D drilling rig lost power, resulting in reduced winch traction. Diagnosis confirmed the motor’s internal gears were worn due to lack of lubrication and contamination.

Solution: Replaced the worn motor with our Hydraulic Motor \ZJ70D NHM11-1200, which features a high-strength gear structure and a sealed lubrication system to prevent contamination. The motor is fully compatible with the original ZJ70D rig’s hydraulic circuit.

Result: Winch traction was restored to the rated 1200N·m, and the motor’s operating noise was reduced by 15dB. The motor has operated for 1000 hours with no performance issues, ensuring reliable winch operation.

Frequently Asked Questions (FAQ)

Procurement & Technical Reference Standards

Procurement Selection Criteria

To ensure you select the correct part for your application, follow these key steps:

1. Verify Part Numbers: Always match the exact OEM part number (e.g., O-ring 9H3360, Turbocharger 7C-2485) to our components, as many parts are application-specific even if visually similar.

2. Check Operating Parameters: For pressure-rated parts (e.g., Clamping Cylinder LB010540-00B1, Y/F010 MA1 Pressure Measuring Point), confirm your system’s maximum pressure and temperature match the part’s rated limits to avoid premature failure.

3. Confirm Equipment Compatibility: For assemblies (e.g., LT400-125T Pneumatic Tire Clutch, Rotary Oil Filter TF-160X180LZJ50D/3150), ensure compatibility with your equipment model, year, and configuration.

Technical Compliance Standards

All products are manufactured to meet the following international and national standards, providing a benchmark for quality and reliability:

• API 6A: Wellhead and Christmas Tree Equipment (for oilfield drilling parts)

• ISO 9001:2015: Quality Management Systems (all products)

• GB34521-92: O-ring Sealing System (for O-ring ZC90×53)

• ISO 6194: Rubber Seals for Hydraulic Systems (for oil seals, O-rings)

• GB/T 2536: Insulating Oil (for boiler cylinder liners)

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.