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Guangzhou Gangwo Engineering Machinery Parts Department

  • China,Guangzhou ,Guangdong
  • Verified Supplier
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China 669-1365-1003 Main Relief Valve for Excavator HD400-1 HD450 HD700-7
China 669-1365-1003 Main Relief Valve for Excavator HD400-1 HD450 HD700-7

  1. China 669-1365-1003 Main Relief Valve for Excavator HD400-1 HD450 HD700-7
  2. China 669-1365-1003 Main Relief Valve for Excavator HD400-1 HD450 HD700-7
  3. China 669-1365-1003 Main Relief Valve for Excavator HD400-1 HD450 HD700-7
  4. China 669-1365-1003 Main Relief Valve for Excavator HD400-1 HD450 HD700-7
  5. China 669-1365-1003 Main Relief Valve for Excavator HD400-1 HD450 HD700-7

669-1365-1003 Main Relief Valve for Excavator HD400-1 HD450 HD700-7

  1. MOQ: 1-10 pcs
  2. Price: $35-$45
  3. Get Latest Price
Part Name Main Relief Valve
Delivery Time 3-7 Days
Stock In stock
Payment Terms L/C,D/A,D/P,T/T,
Services During working hours
P/N 669-1365-1003
Supply Ability 10000 pcs per month
Model HD400-1 HD450 HD700-7
Function Overload Protection
Packaging Details Carton
Model Number HD400-1 HD450 HD700-7
Certification CE,ISO
Brand Name GVO
Place of Origin China

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  1. Product Details
  2. Company Details

Product Specification

Part Name Main Relief Valve Delivery Time 3-7 Days
Stock In stock Payment Terms L/C,D/A,D/P,T/T,
Services During working hours P/N 669-1365-1003
Supply Ability 10000 pcs per month Model HD400-1 HD450 HD700-7
Function Overload Protection Packaging Details Carton
Model Number HD400-1 HD450 HD700-7 Certification CE,ISO
Brand Name GVO Place of Origin China

669-1365-1003 Main Relief Valve for Excavator HD400-1 HD450 HD700-7

 Key attributes

Part name

Main Relief Valve

Packing

Carton

Model

HD400-1 HD450 HD700-7 Certificate CE, ISO

P/N

669-1365-1003

Delivery 3-15 Days

MOQ

 1PC

Shipping port Huangpu,Guangzhou


Critical System Protection

  • Prevents Catastrophic Overload – As the main system relief valve, it sets the maximum pressure limit for the entire hydraulic circuit. When system pressure exceeds the preset limit, the valve opens instantly to relieve excess pressure, protecting expensive components such as pumps, control valves, and cylinders from damage.
  • Fast & Accurate Response – The relief valve provides overload protection in a fast and accurate way: when it reaches the pressure setting, the valve opens immediately to prevent pressure from exceeding the safe limit.

Precision Engineering & Durability

  • Hardened Internal Components – Featuring internal parts made of hardened and ground steel for excellent wear resistance and long service life under high-pressure conditions.

If you need other relief valves, send us the related details please:

1.The pictures

2.The p/n

3.The size

We Help You Plan, Not Just React

Great maintenance isn't just about fixing what breaks. It's about anticipating what could break — and having the right parts ready when you need them.

How We Support Your Maintenance Strategy:

  • Inventory planning support – We help you identify which parts to keep on hand for your fleet.

  • Regular stock updates – Know what's available before you need it.

  • Predictive guidance – Based on common failure patterns, we recommend parts you may need soon.

  • Bulk and scheduled orders – Plan ahead and save on logistics.

The Result

When you're in a bind, we're at our best. Because we know that emergency parts aren't just orders — they're solutions to a problem you need solved yesterday.

GVO — When every minute counts, we count too.

Company Details

Bronze Gleitlager

,

Bronze Sleeve Bushings

 and 

Graphite Plugged Bushings

 from Quality China Factory
  • Business Type:

    Manufacturer,Distributor/Wholesaler,Exporter,Trading Company

  • Year Established:

    2012

  • Total Annual:

    7500000-12000000

  • Employee Number:

    100~150

  • Ecer Certification:

    Verified Supplier

Who we are: We are excavator spare parts manufacturer to do high quality products What we do: Our supply chain covers engine parts, hydraulic parts, relief valves, pilot pumps, gear parts electrical parts, seals, bearings, we serve the domestic market and overseas markets, in the field of excav... Who we are: We are excavator spare parts manufacturer to do high quality products What we do: Our supply chain covers engine parts, hydraulic parts, relief valves, pilot pumps, gear parts electrical parts, seals, bearings, we serve the domestic market and overseas markets, in the field of excav...

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Get in touch with us

  • Reach Us
  • Guangzhou Gangwo Engineering Machinery Parts Department
  • Block 36, Building B, No.129, Zhucun East Ring Road, Tianhe District, Guangzhou
  • https://www.excavatorhydraulicpump-parts.com/

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