KRA-100 Series Electric Valve Positioner is a kind of device which receives direct current signal of 4~20mA from the control signal and precisely adjusts the valve opening with the pneumatic actuators.

1、Parametersh

Input Signal：4-20mA.DC

Supply Pressure：0.14~0.7MPa(20~100psi)

Stroke：10-150mm(90°)

Resistance：250±Ω

Air Connection Size：PT(NPT,G)1/4

Pressure Gauge Connection Size：PT(NPT,G)1/8

Power Connection Size：G(PF,NPT)1/2,M20

Explosive-proof Grade：Ex ia II BT6

Repeatability：±0.5%F.S.

Ambient Temperature：Operating Temperature -20~70℃

                                      Flameproof Temperature -20~60℃

Linearity：±1%F.S.

Hysteresis：±1%F.S

Sensitivity：Single Action±0.2%F.S.Double Action±0.5%F.S.

Air Consumption：3LPM（sup=0.14MPa）

Flow：80LPM（sup=0.14MPa）

Material：Die-casting aluminum