Product Parameter：
 Nominal Diameter: DN25 ~ DN200
 Nominal Pressure: PN16, 40, 64  150LB, 300LB
 Medium temperature (℃): -10 ~ +150
 Flow characteristics: equal percentage, linear
 Adjustable ratio: 50:1
 Leak Standards: GB/T4213 Ⅳ grade
 Maximum source of air pressure (MPa): 0.35
 Spring Range (kPa): 20 ~ 100,40 ~ 200,80 ~ 240,
 Material: WCB CF8 CF8M CF3M
Application：
It features small size, light weight, accuracy and high efficiency. It is developed on the basis of domestic design technique, rich manufacture experience and foreign advanced structure.
As an executive unit in the automatic process control system, the ZJHP pneumatic single seat control valve and ZJHM pneumatic cage control valve are most versatile products. They are suitable for common fluid media of process control.
Besides the general advantages of pneumatic instrument, the pneumatic control valve also possesses following advantages: reliable action, precise flow characteristics, wide rangeability, stable operation and low leakage.