E312B Hydraulic Valve 1211385 Hydraulic Control Valve Assembly for Excavator
Product Specifications
The excavator hydraulic pump has a flow range of 10,000-30,000 liters per hour and can provide high flow pressure for the excavation process. It is very lightweight and easy to install, maintain and use safely. Specifically designed for CAT312B control valve applications.
Product Overview
The hydraulic control valve is the heart of the hydraulic system. Without a control valve, you can't control your hydraulic functions and you'll be stuck in one place. At Hydraulic Control Valve Manufacturer, we offer a wide range of high quality hydraulic control valves at attractive prices.
Our excavator hydraulic pumps can be used in earth moving machinery such as loaders, excavators, bulldozers, etc. It is made of CAT312B control valve with excellent material and advanced technology.
Maintenance & Replacement Procedure
- Release hydraulic system pressure: Turn off engine and pull all operating levers several times to release residual pressure. Disconnect power supply for safety.
- Remove distribution valve: Gradually remove hydraulic lines and mark them to avoid wrong connections. Remove fixing bolts and carefully extract the distribution valve.
- Check installation location: Clean the installation area to prevent impurities from entering the hydraulic system. Check pipes and joints for damage or leaks.
- Install new distribution valve: Connect hydraulic pipes according to original configuration. Replace sealing rings to ensure proper sealing. Tighten fixing bolts securely.
- Fill hydraulic oil: Check hydraulic oil level and add if necessary. Start engine and run at idle speed while checking for leaks.
About Xinfeng Machinery (XF) Parts
Excavator Spare Parts Specialist
| Swing Motor |
Travel Motor |
Fan Motor |
| Swing Gearbox |
Travel Gearbox |
Relief Valve |
| Gear Pump |
Electrical Parts |
Distribution Valve |
| Engine Assembly |
Final Drive Assy |
Hydraulic Pump |
Product Advantages
Warehouse & Packaging
Frequently Asked Questions
How to quickly and accurately buy products I need?
Provide the original parts number to us to check.
How long have you been in the excavator parts business?
We have been engaged in excavator parts since 1998.
If I don't know the part number, what should I do?
Please send us size and pictures of old products.
What is the warranty of the products?
The warranty is 6/12 months based on the specific product.
How long is your delivery time?
Normal delivery time is 3-5 days for stock products after payment. For non-stock items, we will inform you of the required time.
Which shipping terms can you supply?
By sea, air, or by express (DHL, FedEx, TNT, UPS, EMS).
What is your MOQ?
Small orders and sample orders are acceptable.
Do you have any After-Sales service?
Yes! Our after-sales service is available.