ZSGM Pneumatic Large Caliber Sleeve Valve not only has the characteristics of fine and small sleeve valves, but also has greater flow capacity and higher performance. Especially suitable for general fluid medium and large flow process control system in chemical industry, petroleum, metallurgy, power plant and other industrial sectors. It consists of pneumatic multi spring piston actuator and low flow resistance sleeve valve. The actuator has reliable structure, fast action speed, large thrust, self-resetting function, and can be operated by hand. The valve has compact structure, smooth flow passage and large flow coefficient.
Specification model


Main technical parameters
Main technical parameters of adjusting mechanism


Note: except for the special requirements of users, they are supplied by the standard spring range of 20 ~ 100kPa.
Performance index
Basic error: + 1.5% (with positioner)
Return error: 1.5% (with locator)
Dead zone: 0.6% (with locator)
Leakage: 5 * 10-3 valve rated capacity
Rated discharge coefficient: + 10%
Inherent flow characteristics: slope + 30%
Inherent flow characteristic curve




Outline size and weight
Size and weight mm


Flange connection dimensions
The flange connection dimensions of the product conform to: JB/T79.1-94 convex whole cast steel pipe flange (suitable for PN16).
JB/T79.2-94 concave convex integral cast steel pipe flange (suitable for PN40 and PN64). According to the special requirements of users,
This product can also be manufactured according to other domestic and foreign flange standards.
Main material and recommended temperature range

