Guangzhou Gangwo Engineering Machinery Parts Department
| Model | D65 PC78 PC200-8 PC300 PC350 |
| Services | During working hours |
| Delivery Time | 3-7 Days |
| Payment Terms | L/C,D/A,D/P,T/T,Western Union |
| MOQ | 1PC |
| P/N | 702-21-57400 7022157400 |
| Supply Ability | 10000 pcs per month |
| Part Name | Hydraulic Pump Large Pump Proportional Solenoid Valve |
| Stock | In stock |
| Packaging Details | Carton |
| Model Number | D65 PC78 PC200-8 PC300 PC350 |
| Certification | CE,ISO |
| Brand Name | GVO |
| Place of Origin | China |
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Product Specification
| Model | D65 PC78 PC200-8 PC300 PC350 | Services | During working hours |
| Delivery Time | 3-7 Days | Payment Terms | L/C,D/A,D/P,T/T,Western Union |
| MOQ | 1PC | P/N | 702-21-57400 7022157400 |
| Supply Ability | 10000 pcs per month | Part Name | Hydraulic Pump Large Pump Proportional Solenoid Valve |
| Stock | In stock | Packaging Details | Carton |
| Model Number | D65 PC78 PC200-8 PC300 PC350 | Certification | CE,ISO |
| Brand Name | GVO | Place of Origin | China |
| High Light | Hydraulic Pump for Excavator PC200-8 ，Proportional Solenoid Valve for PC300 ，Excavator Relief Valve with Warranty | ||
GVO 702-21-57400 7022157400 Hydraulic Pump Large Pump Proportional Solenoid Valve for Excavator D65 PC78 PC200-8 PC300 PC350
Key attributes
|
Name |
Hydraulic Pump Large Pump Proportional Solenoid Valve |
|
Model |
D65 PC78 PC200-8 PC300 PC350 |
|
P/N |
702-21-57400 7022157400 |
| Package |
Carton |
|
Certificate |
CE, ISO |
|
Delivery |
3-5 Days |
|
Shipping port |
Huangpu |
Load Sensing & Electronic Power Control
Electronic Power Control – Receives current signals from the controller to steplessly adjust main pump displacement, matching load and engine power output.
Load Sensing Control – Optimizes hydraulic system response, reduces overflow loss, achieves fuel economy and stable operation.
Overload Protection – Prevents main pump overload and engine stall, improving overall equipment durability.
If you need other relief valves, send us the related details please:
1.The pictures
2.The p/n
3.The size
GVO Company Overview
Guangzhou GVO Precision Hydraulic is a professional manufacturer and exporter with a proven track record in the research, development, and production of high-quality hydraulic components and electrical parts for excavators. Based in Guangzhou, China, we have built our reputation on years of reliable service, consistent quality, and long-standing customer relationships across the global construction machinery industry.
We manufacture and supply hydraulic pumps, gear pumps, pressure relief valves, throttle motors, and a comprehensive range of electrical components. Our product portfolio covers most mainstream excavator brands and models, with complete specifications and extensive inventory to ensure prompt and accurate order fulfilment.
All components are precision-machined and subjected to rigorous quality inspections throughout the production process. Our products are characterized by high precision, excellent pressure resistance, superior sealing performance, and stable operation — effectively resolving common mechanical failures such as power deficiency, hydraulic leakage, system jitter, and electrical malfunctions.As a direct factory supplier, we eliminate intermediaries and deliver high-quality replacement parts with guaranteed compatibility, consistent durability, and cost-effective pricing.
With mature production systems, comprehensive export capabilities, and a proven track record of customer satisfaction, we support bulk orders, customized processing, and reliable global delivery. Through stable product quality and responsive after-sales support, we have established enduring, trusted partnerships with customers worldwide.
Operational Capabilities
We maintain a comprehensive supply chain covering engine, hydraulic, electrical, sealing, bearing, and gear components for all major excavator brands. Our 40,000 m³ warehousing facility ensures extensive stock availability, enabling same-day dispatch and rapid order fulfilment.
Our team
GVO — Proven Track Record. Trusted Performance. Global Partnership.
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...
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