免费国产精品专区_国产精品三级在线a毛片_国产精品午夜福利在线观看网站_高清毛茸茸的中国少妇_久99中文在线视频_国产久一视频在线观看app_高清黄色的网站91_成人精品视频最快在线观看_aa一级护士医生真人片_美女裸体日韩成人网站

QZD series electrical and gas valve locator

Products > Valve positioner > QZD series electrical and gas valve locator

QZD series electrical and gas valve locator

ZPD2000 series electric - gas valve positioner and regulator, the regulator output signals, converted to drive the regulator gas signal, can overcome the friction of stuffing box and the valve stem and medium pressure difference to produce unbalanced force of valve core, improve the operation speed regulating valve, to ensure that the regulator according to the controller output signal correct positioning.
Contact purchase
shared：

First, QZD2000 Technical Data

Intrinsic error±1%
Hysteresis error1%
Dead band0.5%
Air consumption<1000L/h（Standard state）
Air pressure0.14~0.34MPa
Relative humidity≤90%
Environment temperature-35~+60℃      -20~+60℃（intrinsic safety type）
Output pressure0.02-0.1MPa (0.04-0.20MPa)
Input impedance300±10Ω(signal 4-20mA.DC); 1000±30Ω(signal0-10mA.DC)
Air supply connectionM10×1(connection copper pipe)φ6
Power interfaceNPT1/2(M22×1.5)
Shell materialAluminum alloy
Overall dimensions203×160×105mm
Weight2.8Kg


Second, QZD2000 Model Specification

QZD2   0     0   

ModelInput signal
Explosion-proof type
QZD2 000 Input signal 4-20mA.DC(Standard products) e   Flameproof type d Ex dⅡCT6 Gb
 001 Input signal 0-10mA.DC
 e  Increased safety type e Ex dmⅡT6 Gb


 i  Intrinsic safety type i Ex iaⅡCT6 Gb

When ordering, please specify: 1, Type; 2, Air pressure; 3, Output pressure; 4, With pressure reducer.