EP 4000 Series of electrical valve positioner is in accordance with international advanced foreign products of the same type,Set twenty years of success major producing experience and application of advanced technology,After digestion and absorption and improved products,And actively carry outISO9001Quality assurance system international standard ,With the same ninety time of foreign similar products,fit international standards, standards of a novel positioner

1,Basic erro:≤±1%(single action)≤±1.5%(Double action )
2,Return difference:≤1% (single action)≤1.5% (Double action)
3,Dead zone:≤0.2%(single action)≤0.4%(Double action)
4,Rated travel:0-(10-100)mm.[Angular travel(Angle stroke)0-(50°-90°)
5,Air pressure:0.14-0.7Mpa
6,Input signal:4-20MA.DC(The standard type, normal product)(4-12MA.DC,12-20MA.DC)      0-10MA.DC[deformation of product](0-5MA.DC,5-10MA.DC)
7,Output pressure:0.02-0.7Mpa
8,Gas consumption quantity:Single acting actuator:5L/min(air feed  0.14Mpa)Double action actuator:15L/min(air feed 0.4Mpa)
9,Output characteristics:Linear regular type(Equal percentage, special type of nonlinear)
10,ambient temperature :-35-+60°c(Intrinsic safety type is -20- +60°C)
11, relative humidity (RH) :5%-100%
12,Explosion protection (protection) type (class):Flameproof   d(Diibt6),Increased safety type  e(Eiit6),Intrinsic safety type  i(iaIICT6)
13,Input impedance:4-20.MA.DC/250±5%(at 20°C)
14,Shell material:Aluminum alloy spray process
15,Outline dimensions:20519278(mm)(LWH)
16,Weight: 2.1kg