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Hangzhou XC Machinery Co,.ltd.
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Relief Valve

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  4. Relief Valve

 Relief Valve & Main Valve Manufacturer - Precision Hydraulic Control Components

XC Machinery (www.xcgparts.com) is a professional China manufacturer and supplier of high-quality relief valves and main valves for heavy construction machinery. We produce reliable hydraulic control components for excavators, dozers, loaders, and heavy equipment from leading brands including CATERPILLAR, KOMATSU, VOLVO, HITACHI, JCB, JOHN DEERE, DOOSAN, HYUNDAI and other major manufacturers.

Our Valve Product Range:
• Hydraulic Relief Valves
• Main Control Valves
• Pressure Safety Valves
• Proportional Relief Valves
• Cartridge Type Relief Valves
• Valve Repair Kits and Seals
• Valve Springs and Components
• Custom Valve Solutions

Manufacturing Excellence:
As a specialized valve factory, we utilize precision machining technology and implement strict quality control processes. Our relief valves and main valves are engineered to deliver precise pressure control, reliable safety protection, and consistent performance in demanding working conditions.

Quality Assurance:

  • Pressure setting accuracy testing

  • Flow characteristics verification

  • Leakage and sealing performance

  • Response time measurement

  • Material strength validation

  • Environmental durability testing

  • OEM specification compliance

  • Cycle life testing

Global Supply Network:
We serve customers worldwide with reliable shipping and professional technical support. Our manufacturing capabilities allow us to offer both standard valve solutions and custom-engineered components while maintaining competitive pricing and consistent quality standards.

Why Choose Our Valves:

  • Direct factory manufacturing

  • OEM specifications compliance

  • Precision machining technology

  • Advanced material selection

  • Global shipping available

  • Technical support provided

Application Equipment:
✓ Hydraulic excavators and mining equipment
✓ Wheel loaders and bulldozers
✓ Construction and agricultural machinery
✓ Hydraulic power systems
✓ Various industrial applications

Contact XC Machinery today for reliable valve solutions that ensure precise hydraulic control and system safety. Visit www.xcgparts.com to explore our complete range of hydraulic components and experience professional service from a trusted China manufacturer and supplier with competitive pricing and quality guarantee.


JCB KOMATSU HITACHI KOBELCO VOLVO CATERPILLAR DOOSAN HYUNDAI SANY SDLG CUMMINS VOLVO BOBUTA MITSIBISHI  KUBOTA JOHN DEERE DEUTZ ISUZU CUMMINS


China Construction Relief Valve Manufacturer , China Relief Valve Supplier ,China Relief Valve Factory
China Relief Valve Manufacturer, China Relief Valve Factory,China Relief Valve Supplier

Kobelco Excavator SK350 hydraulic relief valve LC22V00011F1   - 副本

Kobelco Excavator SK350 hydraulic relief valve LC22V00011F1 - 副本

Caterpillar Excavator M313C M315C M316C M318C M322C Engine 3054C 3054E 3056E Monitor 243-7058 Cluster Gauge Display Screen Assy

Caterpillar Excavator M313C M315C M316C M318C M322C Engine 3054C 3054E 3056E Monitor 243-7058 Cluster Gauge Display Screen Assy

Relief Valve 173-3452 1733452 for Caterpillar Cat E320C 320D 323C Excavator

Relief Valve 173-3452 1733452 for Caterpillar Cat E320C 320D 323C Excavator

2420-1225A 2420-1225 Main Relief Valve For Doosan DH200-5 DH220-5 Excavator

2420-1225A 2420-1225 Main Relief Valve For Doosan DH200-5 DH220-5 Excavator

723-40-56900 723-40-57200 Excavator parts Relief Valve For Komatsu PC200-7 PC210

723-40-56900 723-40-57200 Excavator parts Relief Valve For Komatsu PC200-7 PC210

723-40-71103 723-40-71900 723-40-71100 Reducing Valve for Komatsu PC200 PC210-7

723-40-71103 723-40-71900 723-40-71100 Reducing Valve for Komatsu PC200 PC210-7

723-20-70500 Excavator Parts Main Relief Valve 723-30-70100 for Komatsu PC60-7

723-20-70500 Excavator Parts Main Relief Valve 723-30-70100 for Komatsu PC60-7

723-40-91200 723-90-61600 Suction Relief Valve For Komatsu PC200-8 PC200-7

723-40-91200 723-90-61600 Suction Relief Valve For Komatsu PC200-8 PC200-7

723-40-93600 Hydraulic Main Relief Valve 7234093600 for Komatsu PC200-8 PC220-8

723-40-93600 Hydraulic Main Relief Valve 7234093600 for Komatsu PC200-8 PC220-8

12 >

Product Categories

  • Hydraulic main pump
    • Hydraulic pump assembly
    • Hydraulic pump spare parts
    • Gear pump
    • Pilot pump
  • Engine parts
    • Liner Kit(Piston,Piston ring,Liner)
    • Main connect rod bearing
    • Water pump
    • Alternator
    • Starter
    • Turbocharge
    • Injector
    • Fan Motor
    • Tensioner
    • Cylinder Head
    • Cylinder block
    • Gasket kit
    • Oil Cooler Core
    • Engine Assembly
  • Electric Parts
    • Controller
    • Monitor
    • Wire harness
    • AC panel
    • Throttle motor
    • Throttle line
    • Solenoid Valve
    • Relay
    • Pressure sensor
    • Wiper motor
    • Thermostat
    • Relief Valve
    • Lighting lamp
  • Final Drive swing motor
    • Final drive
    • swing motor
  • Travel Gearbox
    • Gearbox assy
    • Gearbox spare parts
  • Seal kit
    • Arm hydraulic cylinder seal kit
    • Boom hydraulic cylinder seal kit
    • Bucket hydraulic cylinder seal kit
    • Hydraulic pump seal kit
    • Swing motor seal kit
    • Travel motor seal kit
    • Main Control valve seal kit
    • Centre joint seal kit
  • Rock hydraulic breaker hammer
    • Silent Breaker hammer
    • Side type breaker hammer
    • Box type Breaker hammer
  • Rock bucket
  • Undercarriage parts
    • Track link
    • Track roller
    • upper roller
    • Idler
    • Sprocket
    • Adjustor assy
    • Track pad shoe
    • Rubber track
  • Swing reducer
  • Air conditioning system
    • Air condition compressor
    • Blower
    • Evaporator
  • Diagnostic Scanner Tool
  • Swing bearing

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LatestPost

  • Salute to 2022, adhere to the right path while seeking novelty, embrace changes, and forge ahead, the armored warriors!
    Salute to 2022, adhere to the right path
    2025-09-13
  • In September, the second-hand excavator transactions: the transaction volume decreased by 1.5% month-on-month and 39.8% year-on-year; Sany's 75, 215 and 135 excavators were the most popular; the UEPI
    In September, the second-hand excavator
    2025-09-16
  • In September, the second-hand excavator transactions: the transaction volume decreased by 1.5% month-on-month and 39.8% year-on-year; Sany's 75, 215 and 135 excavators were the most popular; the UEPI
    In September, the second-hand excavator
    2025-09-16

Feedback

Contact Us

465659878

+86 18758866446

+86 18758866446

robin@xcgparts.com

robinwanguuu@hotmail.com

560 YueMing Road,BinJiang District,HangZhou City,Zhejiang Province,China

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