Introduction
We specialize in the production and supply of high-precision, durable industrial equipment parts, covering a comprehensive range of components tailored for oil drilling rigs, boilers, cranes, thickeners, generators, and industrial hydraulic/pneumatic systems. Our product portfolio includes key parts such as the fan belt CAT3412/9L6647, connecting rod bushing M06 W1 BRONZEBUSHING 5262052, ZJ30C disc brake return spring 307073 WCB324DB, Boiler WNS1.0-1.25-Y cut-off valve PN2.5 DN65, and generator module DS3820WGCB1L1E—all engineered to meet the rigorous operational demands of heavy-duty industrial environments. Adhering to international standards (ISO 9001:2015, API 6A for oil drilling components, ASME B16.34 for valves, and IP55 for electrical parts), our parts prioritize seamless compatibility, long service life, and stable performance to address the core pain points of industrial operations. This document serves as a reliable reference for procurement decisions and technical support, featuring detailed product information, practical maintenance tips, real-world fault solutions, and clear procurement guidance—all designed to help users minimize equipment downtime, cut maintenance costs, and ensure safe, efficient operation of their industrial equipment.
Core Purpose & Target User Needs
Our industrial parts are precisely adapted to key equipment models, including ZJ-30C, ZJ40, DQ70, DQ70BSD drilling rigs, Crane J40/2250DB, CAT3412 engines, Boiler WNS1.0-1.25-Y, WNS2-1.25 (with WEISHAUPT high pressure package), YJ5B hydraulic winch, PZ-7 engines, and thickeners (equipped with 9312C3 pulp cup shaft). Target users include procurement managers, on-site maintenance technicians, engineering teams, and equipment operators in industries such as oil and gas drilling, thermal power generation, heavy lifting, mining, and industrial manufacturing. These users consistently face frustrating challenges: unplanned equipment shutdowns due to incompatible or low-quality replacement parts, high maintenance costs from short-lived components, difficulty sourcing parts with precise specifications (e.g., CAT3412/9L6647 fan belt, 5262052 bronze bushing, ZJ30C handwheel pressure regulating valve TMR8-L6/4900300040), and delays in fault resolution that disrupt productivity and increase operational costs. Our core purpose is to provide OEM-standard, cost-effective parts that ensure 100% compatibility with existing equipment, reduce unplanned downtime by 45% on average, cut maintenance costs by 38%, and deliver reliable performance in harsh conditions—ultimately helping users maintain smooth operations and maximize their operational efficiency.
Product Introduction
Key Product Range & Specifications
Our product line covers engine components, belts, valves, filters, brakes, seals, electrical parts, and more, all manufactured with strict quality control to meet industrial-grade and specialized industry standards. Key products include:
• CAT3412/9L6647 Fan Belt & 5262052 Bronze Bushing: The CAT3412/9L6647 fan belt is designed for CAT3412 engines, with a length of 965mm, width of 25mm, and tensile strength of ≥ 1500N, ensuring stable power transmission; the M06 W1 BRONZEBUSHING 5262052 is a precision bronze bushing with an inner diameter of 50mm, outer diameter of 65mm, and length of 80mm, reducing friction between moving components.
• Drilling Rig Parts: ZJ30C disc brake return spring 307073 WCB324DB, ZJ30C handwheel pressure regulating valve TMR8-L6/4900300040, ZJ30 turntable drive shaft CDZ150-460-003, ZJ40 Festool gas pipeline, DQ70 hexagon bolts M16×220 4.10.02.167, DQ70BSD relay 3RS1800-1BP00, and Crane J40/2250DB pneumatic tire clutch LT700*135—all tailored for ZJ series drilling rigs and J40/2250DB cranes, ensuring reliable braking, pressure control, power transmission, and clutch operation.
• Boiler & Generator Parts: Boiler WNS1.0-1.25-Y cut-off valve PN2.5 DN65 (working pressure 2.5MPa, flow coefficient 25m³/h), Boiler WNS2-1.25 WEISHAUPT high pressure package, generator module DS3820WGCB1L1E (input voltage 380V, output power 500W), and lube oil overtemp switch NOV 10376520-001 (temperature range 0-150°C)—ensuring stable operation of boilers and generators.
• Other Key Components: Air filter 6L4714, O-rings 2Y-2347, 575535256E, 530301190400031001, filter element main 12VB36M40, valve springs 5710-115L (for PZ-7 engines), thickener pulp cup shaft 9312C3, and hydraulic relief valve R10-PH-10—all engineered to meet specific equipment operational requirements with strict dimensional and performance compliance.
Function Description
Core Functions of Key Products
Each product is designed to solve specific industrial challenges, with targeted functions that ensure optimal equipment performance, safety, and efficiency—simple, reliable, and built to get the job done without unnecessary complexity:
• CAT3412/9L6647 Fan Belt: Transmits power from the engine crankshaft to the fan, ensuring the fan operates at the correct speed to cool the engine, preventing overheating and maintaining stable engine performance in high-load conditions.
• 5262052 Bronze Bushing: Reduces friction between connecting rods and other moving components in industrial engines and machinery, ensuring smooth power transmission, reducing energy consumption, and protecting internal parts from wear and damage.
• ZJ30C Disc Brake Return Spring 307073 WCB324DB & TMR8-L6/4900300040 Pressure Regulating Valve: The return spring resets the ZJ30C disc brake after braking, ensuring smooth operation; the handwheel pressure regulating valve adjusts hydraulic pressure in the brake system, allowing operators to control braking force precisely and safely.
• Boiler WNS1.0-1.25-Y Cut-Off Valve PN2.5 DN65: Controls the on/off of water or steam flow in WNS1.0-1.25-Y boilers, with a tight seal to prevent leakage, ensuring the boiler operates within safe pressure and flow parameters.
• Generator Module DS3820WGCB1L1E: Converts alternating current (AC) to direct current (DC) for industrial generators, ensuring stable power supply to electrical components, protecting sensitive equipment from voltage fluctuations.
• 12VB36M40 Main Filter Element: Filters impurities (e.g., metal particles, dirt) from industrial lubricating oil or hydraulic oil, protecting engines and hydraulic systems from wear, extending equipment service life by 30%.
Structural Features
Design Advantages for Durability & Compatibility
Our products are designed with practicality and durability in mind, using high-quality materials and thoughtful structural designs to ensure they fit seamlessly with your equipment and stand up to harsh industrial conditions:
• CAT3412/9L6647 Fan Belt: Made of high-strength rubber with polyester cords, ensuring high tensile strength (≥ 1500N) and wear resistance; the anti-slip surface prevents slipping during operation, with a service life of ≥ 12 months under normal working conditions.
• 5262052 Bronze Bushing: Constructed of high-quality phosphor bronze (CuSn10P1), with a hardness of 80-90 HB, ensuring good wear resistance and self-lubricating performance; the precision-machined inner and outer surfaces (tolerance ≤ 0.003mm) ensure a tight fit with components.
• ZJ30C Handwheel Pressure Regulating Valve TMR8-L6/4900300040: Made of carbon steel with anti-corrosion coating, capable of withstanding 31.5MPa working pressure; the precision spool design ensures smooth pressure adjustment (error ≤ ±0.3MPa), and the handwheel is ergonomically designed for easy operation.
• WNS1.0-1.25-Y Cut-Off Valve PN2.5 DN65: Features a globe valve structure with a stainless steel valve core, ensuring leak-proof performance (leakage ≤ 0.001L/min); the valve body is made of cast steel, withstanding high temperature (up to 250°C) and high pressure (2.5MPa).
• Air Filter 6L4714 & 12VB36M40 Filter Element: The 6L4714 air filter has a multi-layer filtration structure with a filtration efficiency of ≥ 99.6% for particles ≥ 5μm; the 12VB36M40 filter element uses glass fiber material, with a filtration precision of 10μm, ensuring effective impurity removal.
Applicable Working Conditions
All our products undergo rigorous testing to ensure they perform reliably in the harsh, complex conditions of industrial sites—no matter the environment, you can count on them to work when you need them:
• Temperature Range: -50°C to 280°C (for boiler valves, high pressure packages, and fan belts), suitable for cold northern drilling sites, high-temperature boiler rooms, and desert oil fields.
• Pressure Range: 0-31.5MPa (for pressure regulating valves, cut-off valves, and hydraulic relief valves), meeting the high-pressure requirements of oil drilling rigs, hydraulic systems, and boilers.
• Environmental Resistance: IP55-IP67 protection rating (for generator modules, relays, and air filters), dustproof, waterproof, and anti-vibration (≤ 16g), suitable for outdoor oil drilling rigs, mining sites, and industrial workshops.
• Corrosion Resistance: 304 stainless steel, phosphor bronze (for 5262052 bushing), Viton (for O-rings), and anti-corrosion coatings are used to resist acid, alkali, oil, and saltwater corrosion, making our parts suitable for offshore oil platforms, chemical processing facilities, and coastal industrial sites.
• Load Capacity: CAT3412/9L6647 fan belt can bear tensile force up to 1500N, ZJ30C return spring 307073 can provide elastic force up to 800N, and hexagon bolts DQ70 M16×220 can bear tensile force up to 75000N—meeting the high-load requirements of industrial equipment.
Maintenance & Care Recommendations
Taking good care of your parts is the best way to extend their service life and keep your equipment running smoothly. Below are simple, practical maintenance tips for key products, designed to be easy for on-site technicians to follow:
• CAT3412/9L6647 Fan Belt: Inspect the belt for cracks, wear, or looseness every month; adjust the belt tension if it is too loose (tension range 50-70N); replace the belt if cracks or excessive wear are found, typically every 12 months.
• 5262052 Bronze Bushing: Add lubricating oil (ISO VG 32) to the bushing every 2 months to enhance self-lubrication; check for abnormal noise or wear during operation—if detected, replace the bushing immediately to prevent component damage.
• ZJ30C Handwheel Pressure Regulating Valve TMR8-L6/4900300040: Calibrate the valve every 6 months to ensure pressure adjustment accuracy; clean the valve core every 12 months to prevent clogging by impurities; check for oil leakage and tighten connections as needed.
• WNS1.0-1.25-Y Cut-Off Valve PN2.5 DN65: Operate the valve regularly (once a week) to prevent jamming; inspect the valve for leaks every month; clean the valve core and seal every 6 months to ensure tight sealing.
• Air Filter 6L4714 & 12VB36M40 Filter Element: Replace the 6L4714 air filter element every 3 months; replace the 12VB36M40 main filter element every 1500 working hours; clean the filter housing regularly to remove accumulated dust and impurities.
Note: All maintenance work should be done by trained technicians following the equipment’s operation manual. Always use genuine replacement parts—non-genuine parts can cause equipment damage, safety hazards, and costly downtime.
We supply the following spare parts:
Fan belt CAT3412/9L6647 Conn Rod;M06 W1 BRONZEBUSHING 5262052
belt 8N6700
742205 Nut Cover
Hexagon Bolts DQ70 M16×220 4.10.02.167
GENERATOR MODULE DS3820WGCB1L1E
FILTER ELEMENT MAIN, Part Number: 12VB36M40; Manufacturer: JIAN DIESEL ENGINE COMPANY/CHINA
VALVE SPRINGS F/FULL OPEN VALVES FOR PZ-7; Part Number: 5710-115L
Thickener pulp cup shaft 9312C3
Y/G6I-290 pipeline
Copper sets JJ443602-0101050302
Boiler WNS1.0-1.25-Y cut-off valve PN2.5 DN65
control valve assembly TK11-01-00A
cylinder liner seal AH1301010512
SPACER; Part Number: 36001-0403A00
foreign medicine Z16140100010AA
guide belt W36-09-301
air filter 6L4714 OO-ring 2Y-2347
Crane J40/2250DB drilling rig pneumatic tire clutch LT700*135
Gate assembly FZ897.21.07.00
PIN, LINE-UP; Part Number: 1114809100106
PONY ROD SEAL (INTERMEDIATE ROD) “O” RING 125 X 7; Part Number: GB34521-82 125X7
Winch hydaulic engine YJ5B hydraulic winch YJ5B
Water temperature and flow four-way 3800300200
Airbag W24-20-900
Cylinder plug AH100101050500
key P5400031AA
cylinder mattress 7E7312hydraulic relief valve R10-PH-10
BK-3-7B3Bushing
Inclinometer compass MWD piston cap 201148
LUBE OIL OVERTEMP SWITCH NOV 10376520-001
Boiler WNS2-1.25 High pressure package WEISHAUPT
Clutch friction plate pin 500*125mm
High pressure control valve pneumatic anti-shock pressure transmitter YPQ-Z40
big gear P3200002AA
oRing 575535256E
cover plateCH1013A05
Drilling instrument pump QT-1
Valve oil cover 6V7174
oRing 530301190400031001
relay DQ70BSD 3RS1800-1BP00
Compression plate assembly 513348-03
Inclinometer LHE type self-floating electronic single-point inclinometer bottom shock absorber φ45-LHSR-29e
1431D-3/8observation valve
BKD-7-6DSafety gear cylinder assembly
Festool gas pipeline\ZJ40
Disc brake ZJ30C return spring 307073 WCB324DB
Silencer 000077*0021
Sprocket P3000050AA
Brake device ZJ-30C Handwheel pressure regulating valve TMR8-L6/4900300040
Turntable drive shaft ZJ30 drive shaft CDZ150-460-003
On-Site Fault Maintenance Cases
Below are 3 real on-site fault cases, with simple, effective solutions to help you fix common issues quickly—minimizing downtime and saving maintenance costs:
Case 1: CAT3412/9L6647 Fan Belt Slippage
Fault Phenomenon: A CAT3412 engine’s fan belt (9L6647) slipped, causing the fan to operate at low speed and the engine to overheat. Inspection: The belt was loose and had minor wear, reducing friction. Solution: Adjust the belt tension to 60N, clean the belt and pulley surface to remove dust and oil, and replace the belt if wear was excessive.Result: The fan operated normally, engine temperature stabilized, and no further overheating issues occurred for 8 months.
Case 2: ZJ30C Pressure Regulating Valve TMR8-L6/4900300040 Clogging
Fault Phenomenon: A ZJ30C drilling rig’s handwheel pressure regulating valve TMR8-L6/4900300040 failed to adjust pressure, causing the disc brake to not work properly.Inspection: The valve core was clogged with hydraulic oil impurities, blocking fluid flow. Solution: Disassemble the valve, clean the valve core and valve body with hydraulic oil, reassemble, and calibrate the pressure. Result: The valve adjusted pressure smoothly, the disc brake operated normally, and the drilling rig resumed safe operation.
Case 3: 12VB36M40 Main Filter Element Clogging
Fault Phenomenon: An industrial hydraulic system’s oil pressure dropped significantly, and equipment operation became unstable. Inspection: The 12VB36M40 main filter element was severely clogged with impurities, restricting oil flow. Solution: Replace the filter element with a new 12VB36M40, clean the filter housing, and check the hydraulic oil for contamination. Result: Oil pressure was restored to normal, equipment operated smoothly, and the hydraulic system was protected from wear.
FAQ (Frequently Asked Questions)
Question | Answer |
Is the 9L6647 fan belt compatible with all CAT3412 engine models? | Yes, the 9L6647 fan belt is specifically designed for all CAT3412 engine models. It matches the original equipment’s length, width, and tensile strength exactly, so you can replace it directly without any modifications—saving time and ensuring stable power transmission to the fan. |
Can the WNS1.0-1.25-Y cut-off valve PN2.5 DN65 be used in other boiler models with the same pressure and diameter? | Yes, the PN2.5 DN65 cut-off valve is compatible with any boiler or industrial pipeline that requires a 2.5MPa working pressure and 65mm diameter. It follows ASME B16.34 standards, ensuring universal compatibility with equipment that meets these specifications. |
What is the service life of the 5262052 bronze bushing under normal industrial operating conditions? | Under normal operating conditions (regular lubrication, average load), the 5262052 bronze bushing has a service life of 18-24 months. We recommend inspecting it every 2 months for wear and adding lubricating oil regularly to extend its service life. |
Procurement Guide & Technical Support
We are committed to providing high-quality industrial parts that meet or exceed OEM standards, with strict quality control at every stage of production. Each part undergoes three rounds of rigorous testing—raw material inspection, production process inspection, and final performance testing—to ensure a qualification rate of ≥ 99.9%. Our products are cost-effective, with prices 17-33% lower than original OEM parts, while maintaining the same level of durability, compatibility, and performance. We also provide detailed technical specifications, quality certification documents, and material test reports for all products, so you can make informed procurement decisions with confidence.
If you need to purchase any of the products mentioned (including CAT3412/9L6647 fan belt, 5262052 bronze bushing, ZJ30C return spring 307073 WCB324DB, WNS1.0-1.25-Y cut-off valve PN2.5 DN65, DS3820WGCB1L1E generator module, and other components), please provide the part number, equipment model, and required quantity. We will promptly provide you with a detailed quotation, product technical parameters, and relevant quality certifications. In addition to product supply, we offer professional technical support, including on-site fault diagnosis, maintenance guidance, and replacement part supply, to help you resolve any technical issues quickly and keep your equipment running smoothly.
Choose our industrial parts to minimize equipment downtime, reduce maintenance costs, and ensure the safe, efficient operation of your industrial equipment. We are dedicated to providing reliable products and comprehensive solutions to support your business development, and we look forward to serving your procurement and technical needs with high-quality products and professional services.
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.