25/207300 25/221791 25/966100 25/944000 Control Valve Balance Check Valve Main Relief Valve for 504B 506C 528S 530 526 540 550
Control Valve for 504B excavator
,Balance Check Valve for 506C
,Main Relief Valve with warranty
25/207300 25/221791 25/966100 25/944000 Control Valve Balance Check Valve Main Relief Valve for 504B 506C 528S 530 526 540 550
Key attribute
|
Part name |
Balance Check Valve |
|
Model |
504B 506C 528S 530 526 540 550 |
|
P/N |
25/207300 25/221791 25/966100 25/944000 |
|
MOQ |
1PC |
|
Packing |
Carton |
| Certificate | CE, ISO |
|
Delivery |
3-15 Days |
|
Shipping port |
Huangpu,Guangzhou |
Product profile
- Direct replacement for JCB excavators and loaders.
- Prevents runaway loads and hose-burst accidents.
- Combined relief, sequence, and flow control in one valve.



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GVO Value

Guangzhou GVO Precision Hydraulic Co., Ltd. is a professional manufacturer and exporter of hydraulic components, electrical systems, and engine parts for excavators. We have been serving the global construction machinery industry since 2017 from Guangzhou, China.

We are a factory-direct supplier, which means no middlemen, competitive pricing, and quality under our own control. With over 1,000 part numbers in stock, we can respond quickly to both common and urgent requirements. We also help customers confirm models to avoid wrong purchases.

Quality is not a step in our process — it is our starting point. Raw materials are inspected before production. Manufacturing processes are monitored in real time. Finished products must pass performance and durability tests. Every part is checked again before shipping. We do not compromise on quality.

We provide support from selection to after-sales. If you are not sure about the model, we help you confirm it. Common parts ship quickly. If you have any problems after receiving the goods, we stay available to help you solve them.
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