Welcome to Ecer
Ecer asks for your consent to use your personal data to:
Personalised advertising and content, advertising and content measurement, audience research and services development
Store and/or access information on a device
Your personal data will be processed and information from your device (cookies, unique identifiers, and other device data) may be stored by, accessed by and shared with 135 TCF vendor(s) and 65 ad partner(s), or used specifically by this site or app.
Some vendors may process your personal data on the basis of legitimate interest, which you can object to by do not consent. Contact our platform customer service, you can also withdraw your consent.
Consent Do not consent
China factories

Chat Now Send Email
China factory - Guangzhou Gangwo Engineering Machinery Parts Department

Guangzhou Gangwo Engineering Machinery Parts Department

  • China,Guangzhou ,Guangdong
  • Verified Supplier
  1. Home
  2. Products
  3. About Us
  4. Contact Us

Leave a Message

we will call you back quickly!

Submit Requirement
  1. Home>
  2. Excavator Relief Valve>
  3. GVO Swing Motor Check Relief Valve Swing Motor Make-up Valve Safety Valve for
China GVO Swing Motor Check Relief Valve Swing Motor Make-up Valve Safety Valve for
China GVO Swing Motor Check Relief Valve Swing Motor Make-up Valve Safety Valve for

  1. China GVO Swing Motor Check Relief Valve Swing Motor Make-up Valve Safety Valve for
  2. China GVO Swing Motor Check Relief Valve Swing Motor Make-up Valve Safety Valve for
  3. China GVO Swing Motor Check Relief Valve Swing Motor Make-up Valve Safety Valve for
  4. China GVO Swing Motor Check Relief Valve Swing Motor Make-up Valve Safety Valve for
  5. China GVO Swing Motor Check Relief Valve Swing Motor Make-up Valve Safety Valve for

GVO Swing Motor Check Relief Valve Swing Motor Make-up Valve Safety Valve for

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

View Detail Information

Inquiry by Email Get Latest Price
Chat online Now Ask for best deal

Explore similar products

  1. China 2420-1225A Excavator DH215-7 DH220-5 DH220-7 Main Relief Valve

    2420-1225A Excavator DH215-7 DH220-5 DH220-7 Main Relief Valve

    Chat online Now
  2. China 723-30-90101 For Excavator PC100-6 PC120-6 130 Main Relief Valve

    723-30-90101 For Excavator PC100-6 PC120-6 130 Main Relief Valve

    Chat online Now
  3. China 723-40-51401 Main Relief Valve For Komatsu PC200-6 PC200-7 Parts

    723-40-51401 Main Relief Valve For Komatsu PC200-6 PC200-7 Parts

    Chat online Now
  4. China 702-73-01520 Komatsu PC200-6 PC210-6 Rotary Auxiliary valve parts

    702-73-01520 Komatsu PC200-6 PC210-6 Rotary Auxiliary valve parts

    Chat online Now
  1. Product Details
  2. Company Details

Product Specification

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

GVO Swing Motor Check Relief Valve Swing Motor Make-up Valve Safety Valve for DH300 DH340 DH370 -7 -9 Excavators Valve Parts

 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

关于我们:我们是一家致力于生产高精度挖掘机配件的制造商. 我们的业务范围:我们的供应链主题发动机零部件,液压元件,溢流,先导泵,齿轮,电气元件,密封件和轴承.我们服务于第三个市场,在挖掘机零部件行业拥有超过15年的经验,... 关于我们:我们是一家致力于生产高精度挖掘机配件的制造商. 我们的业务范围:我们的供应链主题发动机零部件,液压元件,溢流,先导泵,齿轮,电气元件,密封件和轴承.我们服务于第三个市场,在挖掘机零部件行业拥有超过15年的经验,...

+ Read More

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/

Leave a Message, we will call you back quickly!

Email

Check your email

Phone Number

Check your phone number

Requirement Details

Your message must be between 20-3,000 characters!

Submit Requirement

Trade Alert - Delivering the latest product trends and industry news straight to your inbox.

Home Categories About Us
RFQ Report IPR products Privacy Policy Sitemap

© 2026 Chinax.com. All rights reserved.