ZPD control valve with good quality and meet customers demand.

Main technical Specification

Input signal: 4-20 mA. DCOutput signal: positive:20-100kPa

               Reaction:100-20kPa

Coil impedance: ≤250ΩBasic tolerance:±1% (accuracy: 1 grade )Return difference≤±1%Dead zone≤0.4%Valve stroke10-100mmAir supply pressure 0.14MPa±10%(oil removal, dedust and dry processing)Air consumption ≤1500L/h (under standard condition)Ambient temperature effect: the temperature allowed range for instrument running, temperature change every 20°C, meter tolerance 1.6% allowed.Working condition:

(1)    Environmental temperature: -25~+55 °C

(2)    Relative humidity 5-100%

(3)    External magnetic field≤400A/m

Meter weight: 3.5kgOverall size: 256*214*124mmAssociated device: operating end guard grating; DFA-1300A; DFA-1400A; DFA-1500A. LB840S Explosion-proofing mark: ibⅡCT6(HⅢ e)

Electric Control Valve