HEP series electrical and gas valve locator

Column:Technical article Time:2023-07-21
1, Relay, large capacity, small gas consumption, good stability, high sensitivity;
2, High precision electromagnetic component;


First, Product Overview

HEP series electric - gas valve positioner and regulator, the regulator output signals  converted to drive the regulator gas signal, at the same time, according to the control  valve opening position feedback, make the adjustment correctly positioned, it points,  single and double effect in two forms.

Second, Technical Data

Input signalStandard 4-20mA DC, Split-ranging 4-12mA DC,12-20mA DC10-50mA DC
(HEP-15、17;HEP-25、27)
Input impedance250Ω( 4-20mA DC),100Ω(10-50mA DC)
Gas supply pressureSingle-acting 0.14-0.16MPa:0.17-0.5MPa;  Double-acting 0.2-0.4MPa:0.41 -0.7MPa
Rated strokeStraight travel 10-100mm, Around the corner 0-90°
Electrical interfaceNPT1/2(M22×1.5)
Air supply connectionRc1/4
Environment temperatureExplosion-proof type -20-+60℃;  Ordinary type -40-+80℃
Relative humidity≤90%
Linear±1%
Hysteresis error1%
Dead band0.4%
Protection gradeIP65
Explosion-proof gradeEx iaⅡCT6 Gb; Ex dⅡCT6 Gb


Third, Model Specification

HEP-   0     0     0     0 

ModelAction typeExplosion-proof grade
(protection) structure
Feedback (action)
manner
Choose
accessories
EPP1 1 Single-acting 5   Ex dⅡCT6 Gb
Flameproof type
 1 Straight travel
 b  
 2 Double-acting 6 Ex iaⅡCT6 Gb
Intrinsic safety type
 RC   Quarter-turn
(with RC actuator)
 b + PTM (built-in valve position feedback)

 7 Ordinary type

When ordering  please specify:
1, Type
2, The input signal
3, Gas supply pressure
4, Output signal
5, With pressure reducer
6,Travel      
7, Explosion-proof grade
8, If the takeover pneumatic φ8 when specified, please