
Guangzhou Gangwo Engineering Machinery Parts Department
| 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 | 31QB-17731K |
| Supply Ability | 10000 pcs per month |
| Model | R480LC DX480 |
| Function | Overload Protection |
| Packaging Details | Carton |
| Model Number | R480LC DX480 |
| Certification | CE,ISO |
| Brand Name | GVO |
| Place of Origin | China |
View Detail Information
Explore similar products
2420-1225A Excavator DH215-7 DH220-5 DH220-7 Main Relief Valve
723-30-90101 For Excavator PC100-6 PC120-6 130 Main Relief Valve
723-40-51401 Main Relief Valve For Komatsu PC200-6 PC200-7 Parts
702-73-01520 Komatsu PC200-6 PC210-6 Rotary Auxiliary valve parts
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 | 31QB-17731K |
| Supply Ability | 10000 pcs per month | Model | R480LC DX480 |
| Function | Overload Protection | Packaging Details | Carton |
| Model Number | R480LC DX480 | Certification | CE,ISO |
| Brand Name | GVO | Place of Origin | China |
31QB-17731K Main Relief Valve for R480LC DX480 Excavators
Key attributes
|
Part name |
Main Relief Valve |
Packing |
Carton |
|
Model |
R480LC DX480 | Certificate | CE, ISO |
|
P/N |
31QB-17731K |
Delivery | 3-15 Days |
|
MOQ |
1PC |
Shipping port | Huangpu,Guangzhou |
![]()
The 31QB-17731K Main Relief Valve is a high-performance hydraulic component designed for large excavators, specifically the Hyundai R480LC and Doosan DX480. Mounted on the main control valve, it serves as the primary safety device for the entire hydraulic system, responsible for limiting the maximum system pressure.
![]()
If you need other relief valves, send us the related details please:
1.The pictures
2.The p/n
3.The size
![]()
GVO Value --- No Gaps. No Handoffs. No Lost Information.
The moment you contact us to the moment your part is installed — we manage the entire journey.
End-to-End Means:
One point of contact – You don't get passed between departments.
One consistent standard – We hold every step to the same level of care.
One team responsible – If something goes wrong, it's fixed — not redirected.
![]()
What's Included
| Service Stage | What We Handle |
|---|---|
| Inquiry | Confirm part numbers, compatibility, availability |
| Quoting | Provide clear pricing, options, timeline |
| Order processing | Confirm, inspect, pack, label |
| Shipping | Dispatch, tracking, updates |
| Delivery | Follow-up, installation support, future planning |
The Result
No gaps, no handoffs, no lost information. Just a seamless experience from start to finish.
![]()
Company Details
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...
Get in touch with us
Leave a Message, we will call you back quickly!