WNS2-1.25-5Y/RL70 Boiler, Quick Connector ZJ50L H3-63

Introduction: Premium Spare Parts for Stable & Efficient Industrial Operations

We focus on the production and supply of high-reliability spare parts for oilfield drilling rigs, drawworks, industrial boilers, hydraulic systems, and electrical equipment. Our comprehensive product lineup covers all critical components engineered to withstand the harsh and demanding conditions of industrial work, including Quick Connector ZJ50L H3-63, AIR PIPE ASSEMBLY FOR AIR INSTALLATION DRAWWORKS MODEL JC70B (Part Number: CD-0100), Boiler WNS2-1.25-5Y water level relay 61F-GP-N, 650120009 Mechanical Seal, and hundreds of other core parts such as seals, valves, bearings, sensors, pipes, and electrical components.

All our parts are custom-designed to perfectly fit leading equipment models, including ZJ30C/ZJ50L/ZJ70D drilling rigs, JC70B drawworks, WNS2-1.25-5Y/RL70 industrial boilers, SK pumps, and hydraulic motors (POW-R-QUIK HS-223 RH2-1 PQS74). Our target users include oilfield drilling contractors, drawworks operators, boiler maintenance teams, hydraulic system technicians, and industrial spare parts distributors—all of whom face critical pain points: costly unplanned downtime caused by low-quality or incompatible parts, frequent replacements that increase maintenance costs, safety risks from substandard brake components and electrical parts, and reduced operational efficiency due to fluid leaks, mechanical wear, or electrical failures.

We prioritize value delivery by adhering to strict international industry standards (ISO 9001:2015, API Spec 7K for drilling and drawworks parts, ASME Section I for boiler components, IEC 60947 for electrical parts, and GB/T 12224-2016 for valves and seals) 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 enhance equipment reliability by 49%, reduce maintenance frequency by 45%, and extend key machinery service life by 37% compared to generic alternatives—directly cutting total ownership costs and keeping your operations running without interruption.

Core Purpose & Product Overview

Core Purpose

Our industrial equipment parts are engineered to ensure the safe, stable, and efficient operation of critical machinery across oilfield, drawworks, boiler, and industrial hydraulic/electrical sectors. From drilling rig operations and drawworks air supply to boiler water level control, hydraulic motor transmission, and electrical safety monitoring, 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 16 major categories, each optimized for specific functions and fully compatible with leading equipment models:

• Connectors & Couplers: Quick Connector ZJ50L H3-63, quick coupler DQ70BSC 5126050040, male connector ZJ70D NPT1/4, Fork type cold press joint HSV 1.5-4S(0.5-1.5)red—ensuring secure and stable connections, with a quick connector load capacity of up to 220kN and cold press joint contact resistance of ≤0.01Ω.

• Drawworks Parts: AIR PIPE ASSEMBLY FOR AIR INSTALLATION DRAWWORKS MODEL JC70B (Part Number: CD-0100), O-RING FOR DRAWWORKS JC70B (Dimension: 470 X 86; 105085002)—optimized for JC70B drawworks, with an air pipe assembly pressure resistance of 1.6MPa and O-ring service life of 6,500+ working hours.

• Brake & Brake Parts: Locking friction plate 23048511, Disc Brake Hydraulic Line ZJ50 A8II, disc brake block ZJ70D PSZ75A-2-01, brake shoes PS702405, disc brake seal universal PSZ-30×3.1—delivering reliable braking performance, with a friction plate wear resistance of ≤0.01mm/1000 hours and brake hydraulic line pressure resistance of 35MPa.

• Boiler Components: Boiler WNS2-1.25-5Y water level relay 61F-GP-N, Boiler RL70 Boiler computer controller YLZK-C5—ensuring safe boiler operation, with a water level relay response time of ≤0.5s and computer controller control accuracy of ±0.1℃.

• Valves & Valve Parts: shift valve P55556-3, ball valve 4600300004, Y/CF0013 Cartridge valve NFCD-HFN, One-way clutch ZJ-30C one-way valve I-160-4900300008, Valve seal ring 6N7175—ensuring precise fluid control, with a valve leakage rate of ≤0.008ml/min and pressure resistance of up to 40MPa.

• Seals & Gaskets: oRing XWSY1967, O-RING FOR DRAWWORKS JC70B 105085002, Outer seal 000402*0024, CH078HS1 seal, 650120009 Mechanical Seal, oRing 5300100170, flat gasket 000067*0042, Cover gasket B1017R55—resisting high temperature (-40℃ to 180℃) and high pressure, with a mechanical seal service life of 8,000+ working hours.

• Bearings & Bushings: Main bearing cover AH080101020100B2, bearing 4500100225, Bushing BKD-3-6D—ensuring smooth rotation and structural stability, with a bearing operating temperature range of -40℃ to 180℃ and wear resistance of ≤0.008mm/1000 hours.

• Electrical & Control Parts: 3hole4flatPEterminal DQ70BSD 3301017250 281-687, Varistor SPD-15-800 400V 480A, Thermistor MF71-10D15 10Ω, flashing alarm BBJ-gRWF1 ExdII CT4 Explosion-proof sound and light alarm—ensuring stable electrical control and safety, with a varistor voltage tolerance of 400V and thermistor resistance accuracy of ±5%.

• Sensors & Instrument Parts: SK pump pressure sensor 8Y24, Shockproof pressure gauge ZJ70D YN60(0-1.6Mpa) 380207—ensuring accurate measurement, with a pressure sensor accuracy of ±0.5% and shockproof pressure gauge measurement range of 0-1.6MPa.

• Pipes & Pipe Fittings: Inlet pipe 7X7893, Tee ZJ70D 9705218120, AIR PIPE ASSEMBLY CD-0100—ensuring stable fluid and air transmission, with a pipe pressure resistance of up to 2.5MPa and corrosion resistance in high-salt environments.

• Fasteners & Retaining Parts: 90020528 Anti-torque frame pin, RETAINING RING, MAIN SHAFT (Part Number: 9702020310), stud bolt AK7535040102—ensuring secure connections, with a pin shear strength of ≥850MPa and retaining ring load capacity of up to 150kN.

• Hydraulic Parts: hydraulic motor drive POW-R-QUIK HS-223 RH2-1 PQS74, cylinder PSZ75A-2-06.10—providing stable hydraulic power, with a hydraulic motor output torque of up to 2500N·m and cylinder working pressure of up to 210MPa.

• Engine & Pump Parts: Supercharger repair kit 6V9727, Oil separator 54749247, Crosshead assembly AH1301010400, gland P6101554AA, TL45083U38 Throatbush, Fuel injector assembly 2360962, Oil 250022-669—supporting engine and pump performance, with a supercharger repair kit compatibility rate of 100% for specified models.

• Flanges & Structural Parts: 22224-01-13 FLANGE rig Spares, Cover plate liner G101G10018 / G10018TL1—ensuring structural integrity, with a flange pressure resistance of up to 1.6MPa and liner wear resistance of ≤0.01mm/1000 hours.

• Engine Valves & Seats: exhaust valve seat 1W5283—ensuring engine valve performance, with a valve seat hardness of HRC 58-62 and high-temperature resistance of up to 220℃.

• Auxiliary Parts: sprinkler assembly AH1001010800, Rubber mat EK140103-010131—supporting overall equipment functionality and safety, with a rubber mat wear resistance of ≥5000 working hours.

Function Description

Key Functions of Core Products

• Quick Connector ZJ50L H3-63: Provides a secure and quick connection for ZJ50L drilling rig hydraulic or air lines, ensuring stable fluid/air transmission in harsh oilfield environments. It features a self-locking design, with a rated pressure of 35MPa, load capacity of 220kN, and IP67 waterproof and dustproof rating, making it suitable for high-vibration drilling operations.

• AIR PIPE ASSEMBLY FOR JC70B Drawworks (CD-0100): Delivers clean, stable air supply to JC70B drawworks, ensuring smooth operation of drawworks components such as brakes and winches. It has a pressure resistance of 1.6MPa, air flow rate of 80L/min, and corrosion-resistant coating to withstand high-humidity oilfield conditions.

• Boiler WNS2-1.25-5Y Water Level Relay 61F-GP-N: Monitors the water level of WNS2-1.25-5Y industrial boilers in real time, triggering alarms or adjusting water supply when the water level is too high or too low. It has a response time of ≤0.5s, measurement range of 0-500mm, and IP65 protection rating, ensuring safe boiler operation.

• 650120009 Mechanical Seal: Prevents fluid leakage in pumps and hydraulic motors, ensuring efficient and clean operation. It features a carbon-graphite seal face, with a maximum pressure resistance of 2.5MPa, temperature resistance of up to 180℃, and service life of 8,000+ working hours.

• Boiler RL70 Computer Controller YLZK-C5: Controls and monitors RL70 boiler operations, including temperature, pressure, and water level, ensuring optimal boiler performance and energy efficiency. It has a control accuracy of ±0.1℃, multiple safety protection functions, and compatibility with standard industrial control systems.

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 (Quick Connector ZJ50L H3-63, 650120009 Mechanical Seal, Crosshead assembly AH1301010400) are made of high-carbon alloy steel, carbon-graphite, and wear-resistant rubber, with a tensile strength of ≥1250MPa and a hardness of HRC 64-68, ensuring resistance to impact, wear, and corrosion.

• Precision Machining: Parts such as Main bearing cover AH080101020100B2, stud bolt AK7535040102, and Tee ZJ70D 9705218120 are processed by CNC machine tools with a machining accuracy of ±0.002mm, ensuring perfect compatibility with original equipment and no need for secondary modification.

• High-Temperature & High-Pressure Resistance: Seals (650120009 Mechanical Seal, oRing XWSY1967) and hydraulic parts (hydraulic motor drive POW-R-QUIK HS-223) are designed to withstand extreme temperatures (-40℃ to 180℃) and pressures (up to 40MPa), maintaining performance in harsh working conditions.

• Safety & Reliability Design: Safety-critical parts (flashing alarm BBJ-gRWF1 ExdII CT4, Varistor SPD-15-800, disc brake block ZJ70D PSZ75A-2-01) meet international safety standards, featuring explosion-proof, overvoltage protection, and overload protection mechanisms to minimize operational risks. Electrical parts (Thermistor MF71-10D15) have anti-interference and waterproof designs for stable operation.

• Modular & Easy-to-Install Design: Valves, connectors, and brake components adopt a modular structure, allowing for quick installation and disassembly, reducing maintenance time by 49% and minimizing unplanned downtime.

• Corrosion & Wear Resistance: Exposed components (AIR PIPE ASSEMBLY CD-0100, Cover plate liner G101G10018) are treated with anti-corrosion and wear-resistant coatings, extending service life by 42% in high-humidity, high-salt, and high-dust industrial environments.

Applicable Working Conditions

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

• Onshore & Offshore Oilfields: Compatible with ZJ30C/ZJ50L/ZJ70D drilling rigs, JC70B drawworks, and SK pumps, withstanding high temperature (up to 95℃), high humidity (relative humidity ≥95%), strong wind (wind speed up to 33m/s), and high-salt offshore environments.

• Drawworks Operations: Suitable for AIR PIPE ASSEMBLY CD-0100, O-RING FOR JC70B 105085002, and disc brake block ZJ70D PSZ75A-2-01, adapting to high-load, high-vibration drawworks working conditions.

• Industrial Boiler Systems: Applicable to WNS2-1.25-5Y/RL70 boilers, water level relay 61F-GP-N, and computer controller YLZK-C5, working stably under high temperature (up to 180℃) and high pressure (up to 1.25MPa) conditions.

• Hydraulic & Pneumatic Systems: Matching Quick Connector ZJ50L H3-63, hydraulic motor drive POW-R-QUIK HS-223, and Disc Brake Hydraulic Line ZJ50 A8II, operating reliably in high-pressure (up to 40MPa) and high-vibration environments.

• Electrical & Control Systems: Suitable for Varistor SPD-15-800, Thermistor MF71-10D15, and flashing alarm BBJ-gRWF1, 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 seals (650120009 Mechanical Seal, oRing XWSY1967), brake components (locking friction plate 23048511, brake shoes PS702405), and electrical parts (Varistor SPD-15-800) every 500 working hours; replace them if worn, leaking, or damaged. Inspect quick connectors and couplers monthly for loose connections.

• Lubrication Maintenance: Apply high-temperature lithium-based grease (NLGI Grade 2) to Main bearing cover AH080101020100B2, bearing 4500100225, and Crosshead assembly AH1301010400 every 1,000 working hours, ensuring sufficient lubrication and reducing friction wear. Lubricate hydraulic cylinders and motors every 800 working hours with recommended hydraulic oil.

• Hydraulic & Pneumatic Maintenance: Flush shift valve P55556-3 and Y/CF0013 Cartridge valve NFCD-HFN every 2,000 working hours to remove internal impurities. Check the Disc Brake Hydraulic Line ZJ50 A8II and AIR PIPE ASSEMBLY CD-0100 quarterly for pressure resistance and leakage.

• Electrical & Instrument Maintenance: Inspect Shockproof pressure gauge ZJ70D YN60, SK pump pressure sensor 8Y24, and flashing alarm BBJ-gRWF1 every 6 months for wiring connections and performance. Clean electrical terminals (3hole4flatPEterminal) every 700 working hours to ensure good contact.

• 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 instrument parts should be stored in anti-static, moisture-proof packaging.

• Installation Notes: When installing parts such as Quick Connector ZJ50L H3-63, 650120009 Mechanical Seal, and AIR PIPE ASSEMBLY CD-0100, follow the original equipment manual for torque requirements (40-58 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: ZJ50L Drill Rig Hydraulic Line Connection Failure

Fault Description: A ZJ50L drilling rig’s hydraulic system experienced fluid leakage, leading to reduced hydraulic pressure and operational inefficiency. Inspection showed that the Quick Connector ZJ50L H3-63 was worn and could not maintain a tight seal, causing fluid leakage.

Repair Solution: Replace the worn quick connector with our ZJ50L H3-63 quick connector, fully compatible with ZJ50L hydraulic lines and pre-tested for pressure resistance and sealing performance.

Result: The hydraulic leakage issue was completely resolved within 1 hour of replacement, and the hydraulic system regained normal pressure. The new quick connector has been in service for 10,500 working hours, ensuring stable hydraulic operation.

Case 2: JC70B Drawworks Air Supply Failure

Fault Description: A JC70B drawworks failed to operate smoothly, with intermittent brake failure. Testing confirmed that the AIR PIPE ASSEMBLY (CD-0100) was clogged and damaged, leading to insufficient air supply to the drawworks brakes.

Repair Solution: Replace the damaged air pipe assembly with our JC70B CD-0100 air pipe assembly, fully compatible with JC70B drawworks and designed for stable air transmission.

Result: The drawworks regained normal air supply within 1.5 hours of replacement, with smooth brake operation. The new air pipe assembly has been in service for 9,800 working hours, reducing maintenance frequency and costs.

Case 3: WNS2-1.25-5Y Boiler Water Level Monitoring Failure

Fault Description: A WNS2-1.25-5Y industrial boiler’s water level monitoring system failed, leading to inaccurate water level readings and potential safety risks. Inspection found that the 61F-GP-N water level relay was faulty and could not send reliable signals to the control system.

Repair Solution: Replace the faulty water level relay with our WNS2-1.25-5Y 61F-GP-N water level relay, fully compatible with the boiler and pre-tested for response time and measurement accuracy.

Result: The water level monitoring system regained normal operation within 1 hour of replacement, with accurate real-time water level readings. The new relay has been in service for 9,500 working hours, ensuring safe boiler operation.

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., Quick Connector ZJ50L H3-63, JC70B CD-0100 air pipe assembly, 61F-GP-N water level relay) 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, carbon-graphite) to ensure long service life in harsh industrial environments.

• Performance Parameters: Verify key performance indicators (e.g., pressure resistance for connectors, response time for relays, service life for seals) 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 & Drawworks 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)

• Mechanical Seals: GB/T 14211-2018 (Mechanical Seals for Rotating Shafts)

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

Call to Action: Procure Your Reliable Industrial Equipment Parts Today

Whether you need drilling rig parts (Quick Connector ZJ50L H3-63, Disc Brake Hydraulic Line ZJ50 A8II), drawworks parts (JC70B CD-0100 air pipe assembly, 105085002 O-ring), boiler components (WNS2-1.25-5Y 61F-GP-N water level relay, RL70 YLZK-C5 controller), or hydraulic/electrical parts (650120009 mechanical seal, SPD-15-800 varistor), 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.

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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.