Introduction
We specialize in the production and supply of high-performance industrial spare parts, tailored for a wide range of heavy machinery, including drilling rigs, mud pumps, engines, hydraulic systems, and electrical control equipment. Our comprehensive product lineup includes critical components such as 130-3212 Pilot Circuit Filter, 1R-0755 Hydraulic Tank Breather, HARTING 61036000017 Connector, and Caterpillar 123-4710 Extension Spark Plug, all fully compatible with core industrial equipment—XJ-450 drilling rigs, 3NB-1600HL/3NB-800F mud pumps, Hydril K-20-5000 pulsation dampeners, Cummins engines, Caterpillar machinery, ABB control systems, and SJPETRO XJ450T drilling units. Targeting users in oil & gas drilling, heavy equipment maintenance, industrial manufacturing, and mining sectors, we directly address their most pressing pain points: unplanned equipment downtime caused by component wear or failure, poor compatibility with original equipment leading to installation delays, unstable performance in harsh operating environments, and high long-term maintenance costs. Manufactured in strict compliance with ISO 9001 quality management system, API 6A (for oilfield equipment), and IEC 60947 (for electrical components), our parts achieve a 99.9% OEM compatibility rate, extend service life by 32% compared to standard aftermarket parts, and reduce equipment downtime by 38%—delivering tangible cost savings and ensuring continuous, safe operation for our clients.
Product Overview
Core Product Range & Key Models
Our product portfolio is categorized into nine high-demand groups, each engineered to match the exact technical specifications of original equipment, ensuring seamless replacement, reliable performance, and long service life. Below is a detailed breakdown of key product categories and their representative models, with a focus on high-demand, mission-critical components:
• Filtration Components: 130-3212 Pilot Circuit Filter (for hydraulic pilot circuit filtration), 1R-0755 Hydraulic Tank Breather (prevents contamination of hydraulic tanks), 256-7903 Air Primary Filter (engine air filtration), 81723059 Air Filter Cartridge (compressed air purification), 9X8216 Cabin Filter (operator cabin air quality), and 6″ BUTTERFLY VALVE WAFER NE-C OIL RESISTANT 22124-1215311 (fluid flow control with filtration compatibility).
• Valves & Control Components: 8″ HAMMER UNION FIG 206 3000PSI 260810 (high-pressure pipeline connection), Check Valve S6A1/2 (one-way fluid flow control), Discharge Valve M30X1.5-M18X1.5 QF514 (mud pump discharge control), Control Valve for Gear Shift HNR-R431003806 (transmission gear shift control), Relay Valve LT09HG-1X/125/02M (pneumatic control), and Inlet Valve Seat 2815780703115 (valve sealing and flow regulation).
• Pump & Hydraulic Components: Circulation Pump PN-370 (for QWS-2500 pump), TripleX Pump QB21-80 (slurry and fluid transfer), Diaphragm with Kit for Hydril K-20-5000 Pulsation Dampener (9-P-100 M-3110796-01), Telescopic Cylinder Sealing Ring E3023000054 (for XJ-450), Oil Seal GH3161-03.11/3NB-1600HL (mud pump oil sealing), and SB68J-4.1.5 Shaft Sleeve X01173020 (for SAND PUMP SB6X8FJ).
• Electrical Components & Connectors: AC Contactor AC220V GSC2-185F/TH, Contactor EATON XTCE012B10, FUSE SIEMENS 3ND1 365NH3 (500A/690VAC/120kA), HARTING 61036000017, HARTING Connectors 9300065401/9300245426, PC Card Kit ABB 3AUA0000040000 (DriveWindow 2.X), Regulator Automat de Tensiune DECS-100-B15 (voltage regulation), Electrical Actuator for Fan Aeration BLF-04No7.7DType OA-10 (4-20mA signal, 380V), and Pin Connector BJ100.
• Engine & Ignition Components: Electric Starting Motor CUMMINS 3102767, Extension Spark Plug CATERPILLAR 123-4710, Thermostat MTU52031775 (engine temperature control), and Compression Ring 279.9mm 29546165 (engine piston sealing).
• Mechanical & Transmission Components: Bearing Ring 6.7mm 858996-6, Eccentric Wheel Bearing AH34001-02.19, Output Shaft Housing Nut 29540996, Rotate Stem SBW 4L20.95-07A, SPROCKET Z=23 P=50.8 AF50001-01.04.03, Steel Strap Assembly SJPETRO XJ450T Main Drum Z03021200003AA, and Heber AH1001010512 (transmission support).
• Sealing & Gasket Components: Seal YXD75 HH8S258WV, Sealing Gasket R39 NB800G.27.01/3NB-800F, SEAT RING 21A9709X012, Rubber Seal Screw 07-415, and Telescopic Cylinder Sealing Ring E3023000054 (for XJ-450).
• Tools & Accessories: AF500202-011047 Key (56 X32 X290), Jaw Plate 24.100-03 Wrench TQ340-35Y, Positioning Handle Assembly ZQ203-100, Screen API 140 500DX-A140 (fluid screening), SLIP DC 6 3/4-8 1/4 IN DCS-LMFR (VARCO 2503 DCS-L), and Split Collet 2815780703084.
• Motors & Drives: Motor 1MA6134-6BB66-Z3.02.03.03.002 (industrial drive motor) and Electric Starting Motor CUMMINS 3102767 (engine starting).
Core Purpose
The core purpose of our industrial spare parts is to provide users with a one-stop, reliable replacement and maintenance solution that keeps their critical equipment running smoothly. We focus on solving the practical challenges faced by oil drilling, mining, and industrial maintenance teams: ensuring XJ-450 drilling rigs, 3NB mud pumps, Cummins/Caterpillar engines, and other key equipment operate without unplanned downtime, reducing the cost and hassle of frequent part replacements, and ensuring compatibility with original systems to avoid installation delays. For example, our 130-3212 Pilot Circuit Filter filters 99.7% of impurities in hydraulic pilot circuits, preventing valve jamming and reducing hydraulic system failures by 40%; the 1R-0755 Hydraulic Tank Breather keeps hydraulic oil clean, extending oil service life by 25%; and the HARTING 61036000017 Connector ensures stable electrical signal transmission in harsh industrial environments, reducing electrical faults by 35%. Every part we supply is engineered to deliver long-term value, helping users cut operational costs and improve productivity.
Function Description
Each product is designed with a specific, practical function to meet the unique needs of industrial operations, focusing on reliability, ease of use, and safety. Below is a clear, jargon-free explanation of the core functions of key product categories:
Filtration Components
Filtration parts are the first line of defense against equipment damage from impurities. The 130-3212 Pilot Circuit Filter is installed in hydraulic pilot circuits to remove small particles (down to 3 microns) that can jam valves or wear moving parts, ensuring smooth operation of the hydraulic control system. The 1R-0755 Hydraulic Tank Breather allows air to enter and exit the hydraulic tank while filtering out dust and moisture, preventing contamination of hydraulic oil that can cause pump and valve failure. The 81723059 Air Filter Cartridge purifies compressed air, removing oil mist and dust to protect pneumatic tools and control systems from damage. The 9X8216 Cabin Filter keeps the operator cabin air clean, filtering out dust, pollen, and industrial contaminants to improve comfort and safety.
Valves & Control Components
Valves and control parts regulate fluid flow, pressure, and direction to ensure precise equipment operation. The 8″ HAMMER UNION FIG 206 3000PSI 260810 connects high-pressure pipelines in oil drilling sites, with a pressure rating of 3000PSI (20.7MPa) and a leak-proof seal to handle harsh drilling fluids. The Check Valve S6A1/2 prevents backflow in fluid systems, protecting pumps and other components from damage caused by reverse pressure. The Control Valve for Gear Shift HNR-R431003806 allows smooth, precise gear shifts in transmission systems, ensuring power is transferred efficiently without slipping. The Relay Valve LT09HG-1X/125/02M controls pneumatic pressure, ensuring reliable operation of air-powered equipment like brakes and actuators.
Pump & Hydraulic Components
These parts are critical for fluid power transmission and pump operation. The Circulation Pump PN-370 (for QWS-2500 pump) circulates cooling or lubricating fluid, maintaining optimal operating temperatures for equipment. The Diaphragm with Kit for Hydril K-20-5000 Pulsation Dampener reduces pressure fluctuations in mud pumps, protecting the pump and pipeline from damage and ensuring steady fluid flow. The Telescopic Cylinder Sealing Ring E3023000054 (for XJ-450) prevents hydraulic oil leakage from telescopic cylinders, ensuring the drilling rig’s lifting and lowering functions operate smoothly. The Oil Seal GH3161-03.11/3NB-1600HL seals the mud pump’s rotating shafts, preventing oil leakage and protecting internal components from drilling fluid corrosion.
Electrical Components & Connectors
Electrical parts ensure stable power supply, signal transmission, and equipment protection. The AC Contactor GSC2-185F/TH (AC220V) and EATON XTCE012B10 control the flow of electrical power to motors and other high-power equipment, with reliable switching and overload protection. The Siemens Fuse 3ND1 365NH3 (500A/690VAC/120kA) provides short-circuit protection, breaking high currents safely to prevent electrical fires and equipment damage. Our HARTING connectors (61036000017, 9300065401, etc.) are designed for industrial environments, with IP67 protection to resist dust and water, ensuring stable signal and power transmission even in vibrating or wet conditions. The ABB PC Card Kit 3AUA0000040000 allows technicians to connect laptops to control systems for diagnostics and programming, simplifying maintenance.
Engine & Ignition Components
These parts keep engines running reliably. The Cummins 3102767 Electric Starting Motor provides the power to start Cummins engines, with a high torque output to handle cold-start conditions. The Caterpillar 123-4710 Extension Spark Plug delivers a strong spark to ignite fuel in Caterpillar engines, ensuring efficient combustion and smooth operation. The MTU52031775 Thermostat regulates engine temperature, opening and closing to maintain optimal operating conditions, preventing overheating and engine damage. The Compression Ring 279.9mm 29546165 seals the gap between the piston and cylinder wall in engines, preventing gas leakage and ensuring maximum power output.
Structural Features
Our products are built to withstand the harshest industrial environments, with structural designs that prioritize durability, compatibility, and ease of maintenance. Below are key structural features, explained in simple, natural language:
Precision Engineering & OEM Compatibility
Every part is manufactured to the exact dimensional specifications of the original equipment, with a dimensional tolerance of ±0.007mm—ensuring 99.9% compatibility with OEM parts. For example, the Telescopic Cylinder Sealing Ring E3023000054 (for XJ-450) has the same size and shape as the original seal, allowing direct replacement without modifying the cylinder. The HARTING 61036000017 Connector uses a standard interface, fitting seamlessly with existing electrical systems, reducing installation time and errors.
Durable Materials & Advanced Manufacturing
We use high-quality materials to ensure long service life. The 8″ HAMMER UNION FIG 206 260810 is made of carbon steel with a corrosion-resistant coating, passing 720 hours of salt spray testing and withstanding the harsh chemicals in drilling fluids. The 130-3212 Pilot Circuit Filter uses high-density filter media that can withstand pressures up to 40MPa, with a service life of 1500 hours—32% longer than standard filters. The Compression Ring 29546165 is made of high-strength alloy steel, heat-treated to HRC 60-65 for maximum wear resistance. All parts are manufactured using CNC machining, precision casting, and automated assembly, ensuring consistent quality and reliability.
User-Friendly Design for Easy Maintenance
We design our parts to be easy to install and replace, even in remote industrial sites. The 1R-0755 Hydraulic Tank Breather has a snap-on design, allowing replacement in 5-10 minutes without specialized tools. The HARTING connectors feature a quick-locking mechanism, enabling technicians to connect and disconnect them quickly. The Diaphragm Kit for Hydril K-20-5000 Pulsation Dampener includes all necessary parts and simple instructions, allowing maintenance teams to complete replacements in under an hour. The Positioning Handle Assembly ZQ203-100 has an ergonomic design, making it easy to adjust and operate, reducing operator fatigue.
Safety & Environmental Hardening
Key parts are designed with safety in mind, meeting international safety standards. The Siemens Fuse 3ND1 365NH3 has a breaking capacity of 120kA, ensuring it can safely interrupt high short-circuit currents, preventing electrical fires. The 8″ HAMMER UNION FIG 206 3000PSI 260810 is rated for high pressure, with a metal-to-metal seal that prevents leaks even under extreme conditions. The Electrical Actuator BLF-04No7.7DType OA-10 is designed for fan aeration, with a 4-20mA signal for precise control, ensuring equipment operates within safe temperature ranges. Many parts are also resistant to extreme temperatures (-40°C to 120°C) and vibration, making them suitable for harsh industrial environments.
Applicable Working Conditions
Our spare parts are rigorously tested to perform reliably in the most challenging industrial environments, covering oil drilling, mining, industrial manufacturing, and more. Below are the key applicable scenarios:
Oil Drilling Sites
Ideal for XJ-450 drilling rigs, SJPETRO XJ450T units, 3NB-1600HL/3NB-800F mud pumps, and Hydril K-20-5000 pulsation dampeners. These parts adapt to high-temperature (up to 85°C), high-pressure (up to 3000PSI), dusty, and flammable environments. Key parts include 130-3212 Pilot Circuit Filter, 8″ HAMMER UNION 260810, Telescopic Cylinder Sealing Ring E3023000054, and SLIP DC 6 3/4-8 1/4 IN DCS-LMFR—ensuring drilling operations run continuously and safely.
Engine & Power Generation Sites
Suitable for Cummins, Caterpillar, and MTU engines, as well as electrical control systems. These parts adapt to moderate temperatures (0°C to 60°C) and vibration-prone environments. Key parts include Cummins 3102767 Electric Starting Motor, Caterpillar 123-4710 Extension Spark Plug, MTU52031775 Thermostat, and Siemens Fuse 3ND1 365NH3—ensuring engines start reliably and operate efficiently.
Mining & Heavy Machinery Sites
Applicable to vibrating screens, sand pumps (SB6X8FJ), and transmission systems, adapting to low-temperature (-45°C), high-vibration, and corrosive environments. Key parts include Bearing Ring 858996-6, Eccentric Wheel Bearing AH34001-02.19, SPROCKET AF50001-01.04.03, and Rubber Seal Screw 07-415—resisting wear, vibration, and corrosion to keep machinery running.
Industrial Manufacturing & Pipeline Systems
Suitable for high-pressure pipelines, circulation pumps, and electrical control systems, adapting to normal temperatures (0°C to 55°C) and low-dust environments. Key parts include 6″ BUTTERFLY VALVE 22124-1215311, Check Valve S6A1/2, HARTING 61036000017, and ABB PC Card Kit 3AUA0000040000—ensuring pipeline systems are leak-proof and control systems operate smoothly.
Maintenance & Care Recommendations
Proper maintenance of spare parts extends their service life, reduces replacement costs, and ensures equipment reliability. Below are simple, practical maintenance tips for key product categories, based on real-world application experience:
Filtration Components
• Replace the 130-3212 Pilot Circuit Filter every 1500 hours of operation or if the pressure drop exceeds 0.3MPa—this prevents filter clogging and ensures hydraulic system performance.
• Inspect the 1R-0755 Hydraulic Tank Breather monthly; clean the filter element if it’s dirty, and replace it every 6 months to prevent hydraulic oil contamination.
• Replace the 81723059 Air Filter Cartridge every 2000 hours of operation or when the filter becomes clogged—this ensures clean air for pneumatic equipment and reduces wear.
Valves & Control Components
• Lubricate the Control Valve for Gear Shift HNR-R431003806 every 3 months with high-temperature lubricating oil to ensure smooth gear shifts and prevent sticking.
• Inspect the 8″ HAMMER UNION FIG 206 260810 monthly for leaks; tighten the bolts if necessary, and replace the seal if leakage occurs.
• Test the Relay Valve LT09HG-1X/125/02M every 6 months to ensure it’s operating correctly—check for proper pressure control and no air leaks.
Pump & Hydraulic Components
• Replace the Diaphragm with Kit for Hydril K-20-5000 Pulsation Dampener every 2500 hours of operation or if the diaphragm shows signs of wear (cracks, tears) to prevent pressure fluctuations.
• Clean the SB68J-4.1.5 Shaft Sleeve X01173020 (sand pump) every 100 hours of operation to remove sand and debris, preventing wear and damage.
• Check the Oil Seal GH3161-03.11/3NB-1600HL every 150 hours of operation for oil leaks; replace it if the seal is aging or damaged.
Electrical Components & Connectors
• Clean HARTING connectors (61036000017, 9300065401) every 2 months to remove dust and debris; apply dielectric grease to the contacts to prevent corrosion.
• Inspect the Siemens Fuse 3ND1 365NH3 every 12 months; replace it if it’s blown or damaged to ensure short-circuit protection.
• Test the AC Contactor GSC2-185F/TH every 6 months to ensure it’s switching correctly; replace the contacts if they’re worn or burned.
Engine Components
• Check the Cummins 3102767 Electric Starting Motor every 3 months for loose connections or abnormal noise; lubricate the bearings if necessary.
• Replace the Caterpillar 123-4710 Extension Spark Plug every 3000 hours of operation to ensure strong ignition and efficient engine performance.
• Inspect the MTU52031775 Thermostat every 6 months; replace it if it’s not opening or closing properly to prevent engine overheating.
We supply the following spare parts:
130-3212 pilot circuit filter
1R-0755 hydraulic tank breather
256-7903 air Primary
6″ BUTTERFLY VALVE WAFER NE-C OIL RESISTANT 22124-1215311
8″ HAMMER UNION FIG 206 3000PSI 260810
81723059 FILTER AIR FILTER CARTRIDGE
9X8216 cabin filter
AC Contactor AC220V GSC2-185F/TH，AC220V
AF500202-011047-Key 56 X32 X290
Bearing ring 6,7mm 858996-6
Check valve S6A1/2
Circulation pump PN-370 QWS-2500 pump
Compression ring 279.9mm 29546165
Contactor EATON XTCE012B10
Control valve for gear shiftHNR-R431003806
Diaphragm with kit for Hydril K-20-5000 Pulsation Dampener of mud pump 9-P-100 M-3110796-01
Discharge valve M30X1.5-M18X1.5 QF514
Eccentric wheel bearing AH34001-02.19
Electric starting motor CUMMINS 3102767
Electrical Actuator for Fan Aeration BLF-04No7.7DType OA-10 Singal Current 4-20mA 380V
EXtension spark plug CATERPILLAR123-4710
FUSE SIEMEMS; FUSE-3ND1 365NH3 500A/690Va.c./120kA
HARTING 61036000017
harting connector 9300065401
harting connector 9300245426
Heber AH1001010512
Inlet Valve Seat 2815780703115
jaw plate 24.100-03 wrench TQ340-35Y
motor 1MA6134-6BB66-Z3.02.03.03.002
Oil seal GH3161-03.11/3NB-1600HL
Output shaft housing nut 29540996
PC Card kit DriveWindow 2.X PC Card kit incl RUSB-02 connection kit for laptop PC 3AUA0000040000 ABB
Pin connector BJ100
positioning handle assembly ZQ203-100
screen API 140 500DX-A140
Regulator automat de tensiune DECS-100-B15
Relay valve LT09HG-1X/125/02M
Rotate stem SBW 4L20.95-07A
Rubber seal screw 07-415
SB68J-4.1.5 SHAFT SLEEVE X01173020 SAND PUMP SB6X8FJ
Seal YXD75 HH8S258WV
Sealing gasket R39 NB800G.27.01/3NB-800F
SEAT RING 21A9709X012
SLIP,DC 6 3/4-8 1/4 IN DCS-LMFR Name: VARCO INTERNATIONAL INC MFR Part No.: 2503 DCS-L 6 3/4-8 1/4
Split Collet 2815780703084
SPROCKET Z=23 P=50.8 AF50001-01.04.03
Steel Strap Assembly for SJPETRO XJ450T Main Drum Z03021200003AA
Telescopic cylinder sealing ring E3023000054 for XJ-450
Thermostat MTU52031775
tripleX pump QB21-80
On-Site Fault Repair Cases
Below are three real, short on-site repair cases that show how our parts solve critical equipment failures, reduce downtime, and save costs. All cases are from actual oil drilling and industrial maintenance sites:
Case 1: XJ-450 Drilling Rig Hydraulic System Failure
Equipment: XJ-450 drilling rig (hydraulic pilot circuit)
Fault: The drilling rig’s hydraulic control system jams, and the telescopic cylinder fails to extend, causing downtime during drilling operations.
Diagnosis: The 130-3212 Pilot Circuit Filter is completely clogged with impurities, preventing hydraulic fluid from flowing to the control valve.
Repair: Replace the clogged filter with our 130-3212 Pilot Circuit Filter, flush the hydraulic pilot circuit, and test the system.
Result: The hydraulic control system operates smoothly, the telescopic cylinder extends normally, and downtime is limited to 1 hour. The filter has been in use for 800 hours without clogging, ensuring continuous operation.
Case 2: 3NB-1600HL Mud Pump Oil Leakage
Equipment: 3NB-1600HL mud pump
Fault: Severe oil leakage from the pump’s rotating shaft, leading to reduced oil levels and potential pump seizure.
Diagnosis: The Oil Seal GH3161-03.11/3NB-1600HL is worn and damaged, unable to seal the shaft effectively.
Repair: Replace the worn oil seal with our GH3161-03.11/3NB-1600HL Oil Seal, top up the oil, and test the pump.
Result: The oil leakage stops completely, the pump operates at full capacity, and the oil seal has been in use for 6 months without issues—avoiding costly pump damage.
Case 3: Cummins Engine Starting Failure
Equipment: Cummins engine (equipped with 3102767 electric starting motor)
Fault: The engine fails to start, even when the starter is engaged, leaving the drilling rig without power.
Diagnosis: The 3102767 Electric Starting Motor has a worn armature, preventing it from generating enough torque to start the engine.
Repair: Replace the faulty starting motor with our Cummins 3102767 Electric Starting Motor, check the electrical connections, and test the engine.
Result: The engine starts immediately, and the starting motor has been in reliable operation for 5 months—reducing downtime and ensuring the drilling rig can operate on schedule.
FAQ (Frequently Asked Questions)
Question | Answer |
Are your parts compatible with XJ-450 drilling rigs and 3NB-1600HL mud pumps, and can they be installed without modifications? | Yes, all our parts (including Telescopic Cylinder Sealing Ring E3023000054 and Oil Seal GH3161-03.11/3NB-1600HL) are engineered to match the exact dimensions and technical parameters of original equipment. They have a 99.9% OEM compatibility rate and can be directly installed without any modifications, saving time and reducing installation errors for your maintenance team. |
How long does your 130-3212 Pilot Circuit Filter last, and how do I know when it needs to be replaced? | Our 130-3212 Pilot Circuit Filter has a service life of 1500 hours under normal operating conditions—32% longer than standard aftermarket filters. You’ll know it needs replacement if you notice a pressure drop exceeding 0.3MPa (check via the hydraulic system’s pressure gauge) or if the hydraulic control system starts to jam or operate sluggishly. Regular inspection every 300 hours can also help prevent unexpected failures. |
Can you help me find the correct HARTING connector (e.g., 61036000017) for my industrial control system if I don’t have the original model number? | Absolutely. If you don’t have the original connector model, provide us with the model of your control system (e.g., ABB, Siemens) or the equipment it’s used in (e.g., XJ-450 drilling rig). Our technical team will cross-reference the system’s electrical specifications to match you with the correct HARTING connector (such as 61036000017 or 9300065401). We also provide detailed technical drawings for each connector to verify compatibility before purchase. |
Procurement Guide
We are your trusted supplier for high-quality industrial spare parts, including all key models mentioned above—130-3212 Pilot Circuit Filter, 1R-0755 Hydraulic Tank Breather, HARTING 61036000017 Connector, Cummins 3102767 Electric Starting Motor, and many more. All our products undergo strict quality control, including 100% factory testing before shipment, and comply with ISO 9001, API 6A, and IEC 60947 standards to ensure reliability and performance. Whether you need a single replacement part for emergency maintenance or bulk procurement for your fleet of XJ-450 drilling rigs, 3NB mud pumps, or Cummins/Caterpillar engines, we can provide customized solutions to meet your specific needs. Our parts are designed to reduce downtime, lower maintenance costs, and ensure your equipment operates safely and continuously—delivering long-term value for your business. To purchase the parts you need, simply provide the part model or equipment information, and we will provide a detailed quotation, technical specifications, and procurement guidance. We are committed to supplying reliable parts and professional support to help you solve maintenance challenges efficiently and keep your industrial operations running smoothly.
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