multi-turn manual valve gear box
USD $200 - $1,000 /Piece
Min.Order:20 Pieces
Yancheng Puxin Machinery Co., Ltd.
SZ series multi-turn manual valve gear box is an important part of the valve, which is used for opening or shutting the valve by turing the stem up and down. It is applied for multi-turn gate valve, throttle valve, diaphragm valve and so on.
This multi-turn manual valve gear box is operated manually by hand wheel to open or shut the valve through the reduction transmission of the bevel gears and the movement of the stem.
Parts | case connecting flange | bevel gear | output shaft | stem nut |
material | WCB | 45 40Cr | 45 | ASTM A439 D-2 |
Advantage of our valve gear box
1.high transmission efficiency(over 90%), big torque output
2.light operation, reliable performance and convenient installation
3.special grease is used in the actuator
SZ-1 valve gear box SZ-0 valve gear box SZ-000 valve gear box
VS
Compared with electrical and pneumatic gearbox, manually valve could be installed under kinds of hostile condition.
IP65 test | The valve gearbox was injected by low-pressure column water from any direction. &The result is allowable limited water immersed.
The valve gearbox was put in the dust machine. &The result is protection against dust. |
Mechanical Test | The actual mechanical advantage of the valve gearbox is within acceptable limits. |