Hydraulic Valves Supplier & Manufacturer

A Factory established in 2005;
With a great deal of production experience;
80+ employees become the professional team;
Constant updated ERP system ensure efficiency of work;
Sophisticated equipment ehanced the accuracy of products;
Professional salesmen provide the greast service;
With a large number of famous customers all over the world;
Great after-sales service;
With the long term cooperation with famous logistics and express company in China,provide the better goods service.

A Small order/sample order,full payment in advance; Big orders send the first payment 30% before the production,and the balance before shippment.We'll show the photos of the products and packages before delivery.

A Of course we can. Just send me your logo  we can make it for you.

A America(40.5%):USA, Canada, Argentina, Brazil
Europe(30.8%):Italy,Germany,England,Holland,Spain,Swiss,Finland,Russia,Poland.
Asia(23.5%):Korea,singapore,India,Turkey,Vietnam,Saudi Arabia,Syria, Israel,Lebanon.
Others(5.8%).

A EXW, FCA, FOB, CFR, CIF, DDU.

A You can send us the OE number or of the product you need, we will check if we have them.

A We can supply certificate of origin ,certificated of quality invoice issued by China Chamber of international commerce and inspection report.

A Generally, it will take 15 to 30 days after receiving your advance payment. The specific delivery time depends on the items and the quantity of your order.

A Our products have 12 months quality guarantee ,we also provide strict testing before shipment and follow up the customer's feedback remote online service.

A Yes， We can. Just contact our sellers for more information.

A At least for one year warranty. 

A Machine Tools – Hydraulic presses, CNC machines, clamping systems.
Transport & Lifting Equipment – Dump trucks, forklifts, lifting platforms.
Plastic & Die Casting Machines – Injection molding, metal forming.
Hydraulic Power Units – Industrial hydraulic stations.

A Directional control valve controls the flow path of hydraulic oil by moving a spool or poppet, allowing oil to flow in different directions to control cylinder or motor movement.

A The main types of hydraulic valves are directional control valves, pressure control valves, and flow control valves. Each type has a different function in the hydraulic system.

A Hydraulic valves are used to control start, stop, direction, speed, and force of hydraulic actuators in machines such as excavators, presses, injection molding machines, forklifts, and industrial equipment.

A A relief valve:
Limits maximum system pressure
Protects pump, valves, hoses, and cylinders
Opens automatically when pressure is too high and sends oil back to tank
It is a safety valve for the hydraulic system.

A To read hydraulic schematics:
Identify pump, tank, valves, cylinders
Follow flow lines and arrows
Each square shows a valve position
Springs and solenoids show how valves shift
Always read from power source to actuator.

A Two valves can be connected using:
Power Beyond port
Or series connection
Pump → Valve 1 → Power Beyond → Valve 2 → Tank
This ensures both valves receive pressure properly.

A There are 4 main types of hydraulic valves.
1.Directional control valves
2.Pressure control valves
3.Flow control valves
4.Check valves (non-return valves)

A Method:
Fill master cylinder with brake fluid
Slowly pump the clutch pedal
Let air move back to the reservoir
Keep fluid level full
Repeat until pedal becomes firm
Some systems require vacuum or pressure bleeding.

A To add a hydraulic valve to a tractor:
Find the pressure line from the pump
Install the new valve in series or with power beyond
Connect return line to tank
Connect work ports to cylinder or motor
Test for leaks and correct operation
Always follow the tractor’s hydraulic diagram.

A  4-way hydraulic valve controls two working ports, one pressure port, and one return port.
It directs oil:
To extend a cylinder
Or to retract a cylinder
It is mainly used for double-acting cylinders and motors.

A Common signs of a bad hydraulic valve:
Wrong direction movement
Slow or no movement
Pressure loss
System overheating
Unstable or jerky operation
Abnormal noise

A Hydraulic flow control valve works by restricting or regulating oil flow rate,which controls the speed of a hydraulic cylinder or motor.
Flow control = speed control.

A Hydraulic valve lifters use engine oil pressure to automatically keep zero valve clearance.Oil fills the lifter,pushing internal parts to remove any gap, ensuring quiet and efficient valve operation.

A Hydraulic valve lifters do not need manual adjustment in most engines.They automatically adjust using oil pressure.
If you hear noise:
Check oil level and oil pressure
Use correct engine oil
Clean or replace faulty lifters if needed

A To bleed a hydraulic cylinder without a bleeder valve:
Fill the hydraulic tank with oil
Run the cylinder slowly in and out several times
Keep the oil level full at all times
Stop if the movement becomes smooth and stable
Repeat until there is no jerky movement or noise
Air will return to the tank through the return line.

A There are 4 main types of hydraulic valves.
1.Directional control valves
2.Pressure control valves
3.Flow control valves
4.Check valves (non-return valves)

A Hydraulic valve is a control component used in a hydraulic system to regulate the direction,pressure and flow of hydraulic fluid.It ensures the correct operation of hydraulic cylinders,motors and other actuators.