746638-01 3807 LHT33 P-11-6-D 7-260 HAWE Single Lever Balance Valve

Product Description/Features:

Hawe solenoid valves are divided into three categories in principle:

1) Direct-acting Hawe HAwei solenoid valve: Principle: When energized, the electromagnetic force generated by the electromagnetic coil lifts the closing part from the seat, and the valve opens; When the power is off, the electromagnetic force disappears, the spring presses the closing part on the seat, and the valve is closed. Features: It can also work normally under vacuum, negative pressure and no pressure, but the diameter is generally not more than 25 mm.

2) Step direct acting Hawe HAwei solenoid valve: Principle: it is a combination of direct acting and pilot principle, when there is no pressure difference between the inlet and the outlet, after power, the electromagnetic force directly lifts the pilot small valve and the main valve closing part in turn, and the valve opens. When the inlet and outlet reach the starting pressure difference, after power, the electromagnetic force pilot small valve, the main valve lower chamber pressure rises, the upper chamber pressure drops, so as to use the pressure difference to push the main valve upward; When the power is off, the pilot valve uses spring force or medium pressure to push the closing part and moves downward to close the valve. Features: It can also be operated at zero pressure difference or vacuum and high pressure, but the power is large, and it must be installed horizontally.

3) Pilot type Hawe HAwei solenoid valve: Principle: when energized, the electromagnetic force opens the pilot hole, the upper chamber pressure drops rapidly, and the Hawe Hawei solenoid valve is closed

ABOUT COMPANY:

Changsha HuaYi Technology Co., LTD.,

Changsha HuaYi Technology Co., LTD., specialized in the sale of construction machinery parts.
Our company mainly business in various brands of pump trucks, excavators, cranes, wet spray machines and other accessories, as remote controls, Rexroth oil pump, transfer boxes, double pump pipes, lubrication pump, Harvey/Eaton/Parker/Kawasaki valves.
our company specializes in the offline and online trading of used construction vehicles in China, so the concrete pump trucks displayed on the website may have been sold offline.Our database provides a large number of fresh used concrete pump trucks, used excavator used mixer trucks and other construction vehicles, please contact our sales directly to provide you with more accurate services.Thank you for your patience to browse!​​

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