The pressure reducing valve of the excavator distribution valve is usually a fixed value pressure reducing valve. The valve core is initially open, the inlet and outlet are connected, and it is controlled by the pressure at the outlet. When the outlet pressure does not reach the set pressure, the valve port is fully open and the valve core does not move. When the outlet pressure reaches or exceeds the set pressure, the valve core moves up and the valve port opening decreases. The resistance at the valve port increases, the pressure drop increases, and the outlet pressure drops and stabilizes at the set value.

- Pressure reduction: Reduce the pressure of a branch oil circuit in the hydraulic system so that the branch pressure is lower than the main oil circuit pressure. For example, in Komatsu excavators, the self-pressure pressure reducing valve can reduce the high-pressure oil output by the main pump to a control pressure of 3.3±0.2MPa, providing a low-pressure control oil circuit for the solenoid valve and PPC valve.

- Pressure stabilization: Keep the outlet pressure stable within the set pressure range. Even if the inlet pressure or flow changes, as long as the outlet pressure reaches the set value, the pressure reducing valve will maintain the outlet pressure stable by adjusting the valve opening, ensuring the stability and reliability of the operation of related hydraulic components.

1.know only the excavator model, but can not offer parts No., what should I do ?

A;If possible, you can send us the old photo, nameplate or the size for reference.

2, Do you have stock for the goods?

A;We have plenty stock for many items in the warehouse.

3. Do you test all your goods before delivery?

A: Yes, we have a 100% test before delivery.

4.What is the warranty of the parts after I purchase?

A: The warranty is 6/12 Months based on the item details.Please consult sales for details

5.What do you mainly produce?

A;Our main business hydraulic Spare Parts,safety valve,Gear pump,hydraulic pump,control valve,Trave Motor Assy,swing motor,Seal kit, Electric parts,solenoid valve, engine assembly.etc.

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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 excavator parts has more than 15 years of experience, our overseas customers to establish a strong partnership.

Our service object: excavator parts wholesalers, excavator parts dealers. Individual engineering team.

GVO Brand Excavator Parts is well known in China and internationally. Reliable service Massive inventory stock, so you do not have to wait for delivery time, we provide, Komatsu, Hitachi, Volvo, Hyundai, Dosan, Kobelco, Kato, Sumitomo, JCB, Sany, Xugong, Carter, Case, excavator parts are in stock.

Customers can obtain high-quality, correct parts at the most favorable price, the fastest way, high-quality parts, is our lifelong pursuit of the goal