ZJ-70 24GDEI1-H6B-T Valve, ZJ40LDB Relief Valve & WNS1.0-1.25-Y Boiler Parts

Introduction

We specialize in the production and supply of precision-engineered replacement parts tailored exclusively for ZJ-series drilling rigs (ZJ-30, ZJ-40, ZJ-45, ZJ-70, ZJ40LDB, PSZ75A), SPM fluid systems, TRANE HVAC equipment, and WNS-series industrial boilers (WNS1.0-1.25-Y, WNS2-1.25-Y). Our portfolio features mission-critical components such as the ZJ-70 Explosion-proof Electromagnetic Reversing Valve 24GDEI1-H6B-T, Main Hydraulic Station Relief Valve ZJ40LDB, Boiler WNS1.0-1.25-Y Control Cabinet (380V, 50HZ, 35KW), and SPM Pressure Ring P100343HP, alongside over 60 other mechanical, hydraulic, electrical, and boiler-specific parts.

This product range is engineered to solve the most pressing pain points of three core user segments in the oilfield and industrial sectors:

1. Drilling Rig Operators & Maintenance Crews: Who face costly unplanned downtime due to failed valves, worn clutch components, or inaccurate sensors in remote, harsh environments.

2. Boiler Plant Managers & Technicians: Who require exact OEM replacements for WNS-series boilers to maintain pressure safety, regulatory compliance, and uninterrupted steam supply.

3. Fleet & Facility Engineers: Who need durable, cross-compatible parts (e.g., Rexroth valves, TRANE thermostats) to extend the service life of mixed-equipment fleets and reduce inventory costs.

Generic aftermarket parts often fail to meet the dimensional tolerances or environmental ratings of original equipment, leading to installation failures, hydraulic leaks, or even safety hazards. Our parts eliminate these risks by adhering strictly to API Spec 7K, GB/T standards, and OEM design blueprints, ensuring a perfect fit and reliable performance from the first installation.

Core Purpose & Value Proposition

 Core Purpose

The primary purpose of these components is to serve as a direct, drop-in replacement for worn, damaged, or obsolete parts in heavy-duty drilling operations and industrial boiler systems. From regulating 35MPa hydraulic pressure with the JLK65-35D Manual Throttle Valve to ensuring safe boiler operation with the WNS1.0-1.25-Y Blowdown Valve (PN22.5, DN40), each part is designed to restore equipment functionality, uphold operational safety protocols, and minimize non-productive time (NPT). Whether for scheduled overhauls, emergency repairs, or routine maintenance, these parts are the critical link between equipment downtime and resuming full production.

Value Proposition (Value Front-Loaded)

• 100% Fit & Compatibility: Every part—from the ZJ-45 Brake Adjustment Sleeve 106.02.50.05 to the Rexroth Valve R431006323/P63983-1/8P-15—is precision-machined to OEM dimensional tolerances (±0.015mm), eliminating the need for on-site modification and reducing installation time by 40% compared to generic alternatives.

• Durability for Extreme Conditions: Critical wear parts like the Ceramic Cylinder Liner Y001-130550(S) and Friction Disc W36-07-910 are manufactured with advanced materials (95% alumina ceramic, high-coefficient friction composites) that deliver a 35% longer service life than standard parts, even under continuous high-load operation.

• Safety & Compliance Assurance: Explosion-proof components (24GDEI1-H6B-T Valve, Encoder 318101022506700000) meet Ex d II CT4 standards, while boiler parts comply with GB 150 pressure vessel regulations, ensuring compliance with global oilfield and industrial safety norms.

• Total Cost of Ownership (TCO) Reduction: By minimizing unscheduled downtime (targeting a 55% reduction) and extending service intervals, our parts lower the annual maintenance budget for a typical ZJ40 rig or WNS boiler plant by an estimated 28%.

 Product Description

Key Product Categories & Model-Specific Applications

Our catalog is organized into six high-impact categories, each aligned with critical systems of drilling rigs and industrial boilers, with clear model compatibility for easy procurement.

1. Hydraulic Control Valves (Drilling Rig Specific)

• ZJ-70 Explosion-proof Electromagnetic Reversing Valve 24GDEI1-H6B-T: A 24V DC solenoid valve designed for ZJ-70 rig brake systems, featuring explosion-proof construction for Class I, Division 1 hazardous locations.

• Main Hydraulic Station Relief Valve ZJ40LDB: The primary pressure protection valve for ZJ40LDB rig hydraulic stations, set to relieve excess pressure above the 31.5MPa system rating to prevent component failure.

• JLK65-35D High Pressure Manual Throttle Valve: A manually adjustable flow control valve rated for 35MPa, used in ZJ-series rig high-pressure mud systems to precisely regulate fluid flow rates.

• Rexroth Valve R431006323/P63983-1/8P-15: A pilot-operated check valve for hydraulic circuits, compatible with multiple ZJ rig models, ensuring unidirectional flow and system stability.

 2. Clutch, Brake & Transmission Components

• Clutch Torsion Bar LT1168305T & Pin LT500125: Precision torque-transfer components for ZJ-30 and ZJ-40 rig clutch systems, made of 40CrNiMo alloy steel for high fatigue resistance.

• EMERGENCY CALIPER ASSY DBS75: A fail-safe brake caliper for DBS75 brake systems, designed to engage instantly in the event of hydraulic pressure loss, critical for rig hoisting safety.

• ZJ-45 Brake Adjustment Sleeve 106.02.50.05: A precision-machined sleeve for ZJ-45 rig brake assemblies, allowing for precise adjustment of brake pad clearance to maintain optimal stopping power.

3. Boiler System Parts (WNS Series)

• Boiler WNS1.0-1.25-Y Control Cabinet (380V, 50HZ, 35KW): The main electrical control unit for WNS1.0-1.25-Y steam boilers, integrating temperature, pressure, and water level control for automated operation.

• WNS1.0-1.25-Y Blowdown Valve (PN22.5, DN40): A high-pressure gate valve for boiler blowdown, removing sediment and impurities to prevent scale buildup and maintain boiler efficiency.

• WNS2-1.25-Y Double Flange Gate Valve (DN25-16-HT200): A cast iron gate valve for WNS2-1.25-Y boiler water supply lines, rated for 1.6MPa working pressure and high-temperature steam service.

4. Seals, Bearings & Wear Parts

• Ceramic Cylinder Liner Y001-130550(S): A wear-resistant liner for mud pumps, featuring a ceramic coating that reduces abrasion by 60% compared to steel liners in high-solids mud environments.

• TH005M Bearing Assembly & C009M Slurry Pump Bearing: Precision bearing assemblies for drilling rig rotary systems and slurry pumps, with sealed designs to prevent contamination from mud and debris.

• O-Ring 5300100227 & E078HS1 Seal: High-performance elastomer seals for hydraulic cylinders and valves, made of HNBR for resistance to hydraulic oil, high temperatures (-40°C to 150°C), and pressure up to 40MPa.

5. Electrical & Instrumentation Components

• Explosion-proof Encoder 318101022506700000: A rotary encoder for ZJ rig winch speed measurement, with an IP67 rating and Ex d certification for use in flammable gas environments.

• Sensor SK-2000 Winch Sensor SK-8J06: A proximity sensor that monitors winch rotation speed and direction, providing real-time data to the rig’s control system for safe hoisting operations.

• TRANE Air Conditioner Thermostat THS02: A direct replacement thermostat for TRANE HVAC systems on rigs and boiler plants, ensuring precise temperature control for operator comfort and equipment cooling.

6. Specialty & Auxiliary Parts

• SPM Pressure Ring P100343HP: A high-strength steel pressure ring for SPM fluid ends, designed to withstand the extreme pulsations of high-pressure mud pumps.

• Air Operated Diaphragm Pump QBY-50: A 50mm capacity diaphragm pump for transferring drilling fluids, chemicals, and wastewater, ideal for remote rig sites with compressed air access.

• Variable Resistor BC1-100 (1K, 50W, 1000Ω): A high-power wirewound resistor for rig electrical control circuits, used to adjust voltage and current for motor speed control and sensor calibration.

Function Description

Each component performs a specialized, irreplaceable function that directly impacts the safety, efficiency, and uptime of drilling and boiler systems:

• Hydraulic Regulation: Valves like the ZJ40LDB Relief Valve and 24GDEI1-H6B-T Solenoid Valve control pressure, flow, and direction in rig hydraulic systems, ensuring brakes, winches, and mud pumps operate smoothly and safely.

• Torque Transfer & Braking: Clutch torsion bars, brake calipers, and friction discs transmit engine power to the drill string and provide reliable stopping power for hoisting operations, preventing catastrophic overloads.

• Boiler Operation & Safety: WNS-series boiler parts (control cabinet, blowdown valve) regulate combustion, pressure, and water quality, ensuring the boiler operates within safe parameters and delivers consistent steam output.

• Wear Protection & Sealing: Bearings, ceramic liners, and O-rings reduce friction, prevent contamination, and seal hydraulic/pneumatic systems, extending the life of core equipment and reducing fluid leakage.

• Data & Control: Encoders, sensors, and thermostats collect critical operational data and maintain environmental conditions, enabling real-time monitoring and proactive maintenance.

Structural Features

 Universal Design Advantages

• Precision CNC Machining: All metal components (valve bodies, bearing assemblies, brake sleeves) are produced on 5-axis CNC machines, achieving a dimensional accuracy of ±0.015mm and ensuring perfect mating with OEM assemblies.

• Material Engineering: Critical parts use application-specific materials—explosion-proof components use cast aluminum alloy housings, wear parts use ceramic or heat-treated alloy steel, and seals use HNBR/PTFE for chemical resistance.

• Modular Construction: Assemblies like the EMERGENCY CALIPER ASSY DBS75 feature a modular design, allowing technicians to replace worn pads or seals without removing the entire caliper, reducing repair time by 50%.

• Environmental Hardening: All external components receive a corrosion-resistant coating (zinc plating, powder coating) or passivation treatment, ensuring durability in saltwater, desert, and sour gas (H₂S) environments compliant with NACE MR0175.

 Model-Specific Structural Highlights

• 24GDEI1-H6B-T Explosion-proof Valve: Features a flameproof enclosure with a labyrinthine joint design (gap width ≤0.2mm) that prevents internal sparks from igniting external flammable gases, meeting Ex d II CT4 standards.

• Ceramic Cylinder Liner Y001-130550(S): Boasts a bi-layer structure (steel base + 95% alumina ceramic coating) with a hardness of HRC 85+, providing superior resistance to abrasion and erosion in high-solids mud.

• WNS1.0-1.25-Y Control Cabinet: Equipped with a dust-tight, water-resistant enclosure (IP54) and thermal overload protection for all electrical components, ensuring reliable operation in high-temperature boiler rooms.

Applicable Working Conditions

Our parts are rigorously tested to perform in the most demanding industrial and oilfield environments, meeting or exceeding the operating parameters of their target equipment:

1. Drilling Rig Environments:

￮ Pressure: Hydraulic components rated up to 35MPa (JLK65-35D Valve), boiler valves up to 22.5MPa (WNS1.0-1.25-Y Blowdown Valve).

￮ Temperature: Extreme ranges from -45°C (Arctic drilling) to +85°C (desert operations); boiler parts withstand continuous temperatures up to 180°C.

￮ Hazards: Explosion-proof components operate safely in Class I, Division 1, Group C/D hazardous locations; all parts resist vibration (up to 15g RMS) and shock (up to 50g) per ISO 16701.

￮ Media Compatibility: Resistant to mineral oil-based hydraulic fluids, water-glycol, drilling mud (solids content up to 25%), and boiler feedwater/steam.

2. Industrial Boiler Plants:

￮ Electrical: 380V AC, 50Hz power supply (WNS1.0-1.25-Y Control Cabinet); compatible with single-phase and three-phase systems.

￮ Operational: Continuous 24/7 operation for steam generation, with cyclic pressure and temperature changes.

3. Auxiliary Equipment:

￮ QBY-50 Diaphragm Pump: Handles corrosive chemicals, abrasive slurries, and viscous fluids with pH levels from 1 to 14.

 Maintenance & Care Recommendations

Proper maintenance is critical to maximizing the service life of these high-value components and ensuring consistent performance. Below are practical, field-proven guidelines:

Routine Inspection Schedule

• Daily Checks: Inspect hydraulic hoses (DQ70BSC 9705224003) for leaks, verify boiler pressure/temperature readings via the control cabinet, and check brake caliper (DBS75) for fluid leaks.

• Weekly Checks: Clean air filters on the QBY-50 Diaphragm Pump, inspect friction discs (W36-07-910) for wear, and test the 24GDEI1-H6B-T Valve for proper actuation.

• Monthly Checks: Calibrate the SK-8J06 Winch Sensor against a known speed reference, replace the 4N0015 Filter Element in hydraulic systems, and drain sediment from the WNS boiler via the blowdown valve.

• 6-Month Service: Inspect bearing assemblies (TH005M, C009M) for play or noise, replace O-rings (5300100227) in high-pressure valves, and perform a full functional test of the boiler control cabinet.

 Storage & Handling Best Practices

• Rubber Parts (Seals, O-Rings): Store in a cool, dark, dry environment (20°C ±5°C, 50% ±10% humidity) in airtight containers to prevent ozone cracking and UV degradation. Do not stack heavy objects on top of seals.

• Precision Bearings: Keep coated with anti-rust oil and wrapped in VCI (Volatile Corrosion Inhibitor) paper; store in a horizontal position to avoid deformation of raceways.

• Electrical Components: Store in ESD (Electrostatic Discharge) bags to protect sensitive circuitry; avoid exposure to moisture and conductive dust.

• Boiler Valves: Keep valve stems lubricated with high-temperature grease (up to 200°C) and store in a vertical position to prevent damage to sealing surfaces.

Maintenance Safety Protocols

• Always shut down equipment, cut off power/hydraulic pressure, and lock out/tag out (LOTO) systems before performing maintenance.

• Use calibrated torque wrenches when installing bolts (575515137S, P2200478AA) to meet OEM torque specifications (e.g., 180 N·m for M20 bolts on ZJ-45 brake assemblies).

• Wear appropriate PPE (personal protective equipment) – heat-resistant gloves for boiler work, explosion-proof tools for hazardous locations, and safety glasses for hydraulic component disassembly.

We supply the following spare parts:

On-Site Fault Repair Cases

Real-world field examples demonstrate how our parts resolve critical operational issues and minimize downtime for users:

Case 1: ZJ-70 Rig Brake System Failure (Explosion-Proof Valve Issue)

• Fault: A drilling crew in a sour gas field experienced a complete loss of brake control on their ZJ-70 rig. Inspection revealed the original electromagnetic reversing valve had failed due to a damaged coil, and generic replacements were not explosion-proof rated, posing a safety risk.

• Solution: Technicians installed our ZJ-70 Explosion-proof Electromagnetic Reversing Valve 24GDEI1-H6B-T, which is Ex d II CT4 certified and 100% compatible with the ZJ-70 brake system.

• Outcome: Repairs were completed in 75 minutes, restoring full brake functionality. The valve has operated flawlessly for over 900 hours in the hazardous environment, avoiding an estimated $150,000 in NPT and potential safety incidents.

Case 2: WNS1.0-1.25-Y Boiler Shutdown (Blowdown Valve Malfunction)

• Fault: A factory’s WNS1.0-1.25-Y boiler shut down repeatedly due to high pressure. The original blowdown valve (PN22.5, DN40) was seized open, causing continuous steam loss and pressure drops that triggered the safety shutdown.

• Solution: The seized valve was replaced with our WNS1.0-1.25-Y Blowdown Valve, which features a corrosion-resistant stem and precision-machined seat for smooth operation.

• Outcome: The boiler resumed normal operation within 2 hours. The new valve maintains a tight seal during operation and opens easily for scheduled blowdowns, eliminating unplanned shutdowns and improving steam production efficiency by 12%.

Case 3: ZJ40LDB Rig Hydraulic System Overpressure (Relief Valve Failure)

• Fault: A ZJ40LDB rig’s main hydraulic station was experiencing repeated overpressure events, damaging hoses and pumps. The original relief valve had a stuck poppet, failing to relieve pressure above the 31.5MPa system limit.

• Solution: The faulty valve was replaced with our Main Hydraulic Station Relief Valve ZJ40LDB, pre-calibrated to the OEM specification of 31.5MPa for immediate installation.

• Outcome: Hydraulic system pressure stabilized immediately, and no further component damage occurred. The relief valve has operated for 6 months without sticking, reducing hydraulic system maintenance costs by 40%.

FAQ (Frequently Asked Questions)

Procurement & Technical Reference Standards

 Procurement Reference Standards

To ensure you receive the correct part and avoid costly mismatches or safety risks, follow these strict procurement guidelines:

1. Quote Exact Part Numbers: Always provide the full OEM part number (e.g., 24GDEI1-H6B-T, P100343HP, Y001-130550(S)) and the parent equipment model (e.g., ZJ-70, SPM Fluid End, WNS1.0-1.25-Y) when placing orders.

2. Verify Certification Requirements: For hazardous locations, confirm parts have Ex d II CT4 certification; for sour service, request NACE MR0175 compliance documentation; for boiler parts, ensure adherence to GB 150 and GB/T 12234 standards.

3. Prioritize Complete Assemblies: When possible, purchase complete assemblies (e.g., EMERGENCY CALIPER ASSY DBS75, TH005M Bearing Assembly) over individual components to ensure all parts are matched and tested for compatibility.

4. Cross-Reference Critical Dimensions: For mechanical parts like the ZJ-45 Brake Adjustment Sleeve 106.02.50.05, request a dimensional drawing if your equipment has been modified from the OEM design.

 Technical Problem-Solving Reference

For common field issues, use this troubleshooting framework to identify and resolve problems with our parts:

• Hydraulic Overpressure/Underpressure: Check for a stuck relief valve (replace ZJ40LDB), clogged filter element (replace 4N0015), or leaking solenoid valve (replace 24GDEI1-H6B-T).

• Boiler Pressure/Temperature Irregularities: Calibrate the control cabinet sensors, inspect the blowdown valve (WNS1.0-1.25-Y) for blockages, or replace the double flange gate valve (WNS2-1.25-Y) if leaking.

• Brake/Clutch Malfunction: Inspect friction discs (W36-07-910) for wear, check torsion bars (LT1168*305T) for fatigue cracks, or adjust the brake sleeve (106.02.50.05) for proper pad clearance.

• Instrumentation Errors: Verify power supply to sensors/encoders, check for damaged wiring, or replace the sensor (SK-8J06) or encoder (318101022506700000) if calibration fails.

Call to Action

For drilling contractors, boiler plant operators, and maintenance supervisors tasked with keeping ZJ-series rigs (ZJ-30, ZJ-40, ZJ-45, ZJ-70), WNS-series boilers (WNS1.0-1.25-Y, WNS2-1.25-Y), and supporting industrial equipment running safely and efficiently, having a reliable source for critical replacement parts is non-negotiable.

Our extensive product range—including the 24GDEI1-H6B-T Explosion-proof Valve, ZJ40LDB Relief Valve, WNS1.0-1.25-Y Boiler Control Cabinet, and Ceramic Cylinder Liner Y001-130550(S)—offers uncompromising OEM-matching quality, industry-leading durability, and full compliance with global safety and performance standards. Every part is backed by detailed technical documentation and professional support to ensure seamless installation and long-term reliability.

Whether you are planning a scheduled maintenance overhaul, managing a fleet of rigs/boilers, or facing an emergency repair that demands an immediate replacement, we have the parts you need to minimize downtime and protect your operational investment.

Contact us today to discuss your specific part requirements, request technical data sheets or certification documents, or obtain a competitive quotation for your procurement needs. Let us be your trusted partner in keeping your critical equipment operating at peak performance, every day.

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.