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Guangzhou Gangwo Engineering Machinery Parts Department

  • China,Guangzhou ,Guangdong
  • Verified Supplier
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China GVO Swing Motor Check Relief Valve for Excavator DH300 340 370-7-9
China GVO Swing Motor Check Relief Valve for Excavator DH300 340 370-7-9

  1. China GVO Swing Motor Check Relief Valve for Excavator DH300 340 370-7-9
  2. China GVO Swing Motor Check Relief Valve for Excavator DH300 340 370-7-9
  3. China GVO Swing Motor Check Relief Valve for Excavator DH300 340 370-7-9
  4. China GVO Swing Motor Check Relief Valve for Excavator DH300 340 370-7-9
  5. China GVO Swing Motor Check Relief Valve for Excavator DH300 340 370-7-9

GVO Swing Motor Check Relief Valve for Excavator DH300 340 370-7-9

  1. MOQ: 1-10 pcs
  2. Price: $20-$27
  3. Get Latest Price
Model DH300 340 370-7-9
Delivery Time 3-7 Days
Services During working hours
Payment Terms L/C,D/A,D/P,T/T,
MOQ 1PC
Packing Box
Supply Ability 10000 pcs per month
Part Name Swing Motor Check Relief Valve
Stock In stock
Packaging Details Carton
Model Number DH300 340 370-7-9
Certification CE,ISO
Brand Name GVO
Place of Origin China

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  1. Product Details
  2. Company Details

Product Specification

Model DH300 340 370-7-9 Delivery Time 3-7 Days
Services During working hours Payment Terms L/C,D/A,D/P,T/T,
MOQ 1PC Packing Box
Supply Ability 10000 pcs per month Part Name Swing Motor Check Relief Valve
Stock In stock Packaging Details Carton
Model Number DH300 340 370-7-9 Certification CE,ISO
Brand Name GVO Place of Origin China

GVO Swing Motor Check Relief Valve for Excavator DH300 340 370-7-9

 Key attributes

Name

Swing Motor Check Relief Valve

Packing

Carton

Model

DH300 340 370-7-9

Certificate CE, ISO

Stock

In stock

Delivery 3-15 Days

MOQ

 1PC

Shipping port Huangpu,Guangzhou


  • Critical Overload Protection: The primary advantage of this valve is its ability to protect the swing motor and other expensive hydraulic components from damage caused by pressure spikes. When the excavator's swing movement encounters an obstacle or stops suddenly, it creates a sudden pressure surge. The relief valve instantly opens to divert this excess hydraulic fluid back to the tank, preventing catastrophic failure.
  • Smooth and Controlled Braking: The valve works in conjunction with the swing motor's internal braking system. By regulating the pressure that builds up when the swing motion is stopped, it ensures a smooth, controlled deceleration rather than an abrupt and jarring halt. This prevents damage to the swing drive and reduces operator fatigue.
  • Built-in Anti-Cavitation Protection: The check valve portion of the assembly is crucial for preventing cavitation. When the swing motor is suddenly stopped, the motor can create a vacuum on its inlet side. The check valve opens to allow makeup oil to flow in, filling this vacuum and preventing the formation of destructive air bubbles that can erode internal components and cause premature wear.

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

1.The pictures

2.The p/n

3.The size

GVO Value

We're Not Just a Company. We're a Team.

Behind every order is a person who cares about getting it right. Our team is made up of professionals who know excavator parts inside out — and who treat every customer like they're our only customer.

Who We Are

  • Parts Specialists – Years of experience matching parts to machines

  • Customer Support – Responsive, clear, and always available

  • Warehouse Team – Efficient, careful, and fast

  • Quality Control – Detail-oriented and committed to accuracy

What Unites Us

  • We take pride in what we do

  • We solve problems, not just take orders

  • We believe in honesty, speed, and follow‑through

  • We're here to make your job easier

We don't work for a company. We work for you.

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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