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Guangzhou Qichao Machinery Parts Co., Ltd.

  • China,Guangzhou
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China 320Bar Main Relief Pneumatic Cartridge Valve Assembly For Doosan DH55 Excavator
China 320Bar Main Relief Pneumatic Cartridge Valve Assembly For Doosan DH55 Excavator

  1. China 320Bar Main Relief Pneumatic Cartridge Valve Assembly For Doosan DH55 Excavator
  2. China 320Bar Main Relief Pneumatic Cartridge Valve Assembly For Doosan DH55 Excavator
  3. China 320Bar Main Relief Pneumatic Cartridge Valve Assembly For Doosan DH55 Excavator
  4. China 320Bar Main Relief Pneumatic Cartridge Valve Assembly For Doosan DH55 Excavator
  5. China 320Bar Main Relief Pneumatic Cartridge Valve Assembly For Doosan DH55 Excavator

320Bar Main Relief Pneumatic Cartridge Valve Assembly For Doosan DH55 Excavator

  1. MOQ: 1 Piece
  2. Price: Please send mail or Whatsapp
  3. Get Latest Price
Applicable Model DH55, DH60-7 Mini Excavator Rotary Motor
Made In China
Payment Terms T/T
Packaging Neutral Carton Packing, No Brand Logo
Packaging Details Neutral Packing/Branded Packaging
Warranty 6 Months Under Continuous Excavator Working Condition
Supply Ability 1000PCS/MONTH
Delivery Time 1–7 Working Days After Payment
Brand ZVEZDA
Place of Origin CHINA
Model Number DH55 DH60-7
Brand Name ZVEZDA

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  1. Product Details
  2. Company Details

Product Specification

Applicable Model DH55, DH60-7 Mini Excavator Rotary Motor Made In China
Payment Terms T/T Packaging Neutral Carton Packing, No Brand Logo
Packaging Details Neutral Packing/Branded Packaging Warranty 6 Months Under Continuous Excavator Working Condition
Supply Ability 1000PCS/MONTH Delivery Time 1–7 Working Days After Payment
Brand ZVEZDA Place of Origin CHINA
Model Number DH55 DH60-7 Brand Name ZVEZDA
High Light 320Bar pneumatic cartridge valvedoosan DH55 pneumatic cartridge valve320Bar excavator main relief valve
DH55 Swing Buffer Relief Cartridge Valve Assembly For DH55 DH60-7

It adopts wear-resistant alloy steel spool and high fatigue-resistant silicon manganese pressure spring.Integrated solid anti-rust alloy steel cartridge body, multi-stage double O-ring anti-leakage sealing structure.

Specification Details
Brand ZVEZDA
Applicable Model Doosan DH55, DH60-7 Mini Excavator Rotary Motor
Product Type Full Alloy Steel Hydraulic Slewing Overload Relief Cartridge Valve
Rated Relief Pressure 260–320 Bar Slewing System Standard Pressure
Instant Peak Bearing Pressure 350 Bar
Sealing Material Double-Layer HNBR High Pressure Oil Resistant O-Ring
Cartridge Material Anti-Corrosion High Strength Alloy Steel
Origin China
Delivery Time 1–7 Working Days After Payment
Warranty 6 Months Under Continuous Excavator Working Condition
Packaging Neutral Carton Packing, No Brand Logo
Supporting Accessories Complete Cartridge Valve + Spare HNBR Seal O-Rings
Sample Service Single Sample Available With Relief Pressure Stability Test Report

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No. Question & Answer
Q1 Q: Which Doosan mini excavators fit ZVEZDA DH55 swing relief valve?
 
A: Direct replacement for Doosan DH55 and DH60-7 mini excavators, standard cartridge size, directly insert into swing motor without modifying valve cavity. In stock, ship within 1–7 working days.
Q2 Q: Excavator still has swing impact noise and weak slewing after replacement?
 
A: Fatigued pressure spring leads to drifted relief pressure, replace complete ZVEZDA integrated swing relief cartridge to restore standard swing buffer pressure and normal rotary power.
Q3 Q: Can this swing relief valve replace fuel rail pressure sensor or oil pressure switch?
 
A: Not interchangeable. This high pressure hydraulic cartridge valve is used for swing overload protection; fuel sensor detects diesel pressure, oil pressure switch is mechanical low pressure lubrication alarm part, different medium, pressure range and working principle.
Q4 Q: Core advantages of ZVEZDA DH55 swing relief valve?
 
A: High strength alloy steel anti-wear spool, high fatigue resistant silicon manganese pressure spring, stable fixed relief pressure, double-layer HNBR high pressure anti-leakage sealing, full anti-rust precision ground cartridge body, OEM standard cartridge dimension direct replacement, neutral unbranded packaging, perfectly match DH55/DH60-7 rotary hydraulic overload protection system.
 

Company Details

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 from Quality China Factory
  • Business Type:

    Manufacturer

  • Total Annual:

    5000000-10000000

  • Employee Number:

    50~100

  • Ecer Certification:

    Verified Supplier

Guangzhou Qichao Machinery Co., Ltd. Premier Factory Specializing in R&D & Production of Excavator Electrical Spare Parts Based in Zhuji International Machinery City,Tianhe District,Guanazhou. Our full product lineup covers solenoid valves, sensors, throttle motors, controllers flameout swi... Guangzhou Qichao Machinery Co., Ltd. Premier Factory Specializing in R&D & Production of Excavator Electrical Spare Parts Based in Zhuji International Machinery City,Tianhe District,Guanazhou. Our full product lineup covers solenoid valves, sensors, throttle motors, controllers flameout swi...

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  • Guangzhou Qichao Machinery Parts Co., Ltd.
  • 825-827, Zhuji International Machinery City, No.36 Zhuji Road, Tianhe District, Guangzhou, China
  • https://www.excavatorsolenoid.com/

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