ZPQ-02 pneumatic valve positioner is auxiliary instruments used with pneumatic adjusting valve, it can receive 20～100Kpa signal of pneumatic adjusting instrument to control the travel of adjusting valve , by the action of feedback system , travel and signal change proportionally, then achieve the correct position of valve spool.

Features:

Improve the movement speed of pneumatic adjusting valve

Change the action mode of pneumatic adjusting valve

Achieve sub-process control

Can operate pneumatic adjusting valve of pressure range of all kinds of springs

Can be used with angle pneumatic adjusting valve

Structure principle

Mainly made up of shell, gas circuit-board and all major levers, bellows components and amplifier, etc.

Designed according to torque balance principle