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 signal	Standard 4-20mA DC， Split-ranging 4-12mA DC，12-20mA DC10-50mA DC (HEP-15、17；HEP-25、27)
Input impedance	250Ω( 4-20mA DC)，100Ω(10-50mA DC)
Gas supply pressure	Single-acting 0.14-0.16MPa:0.17-0.5MPa; Double-acting 0.2-0.4MPa:0.41 -0.7MPa
Rated stroke	Straight travel 10-100mm， Around the corner 0-90°
Electrical interface	NPT1/2(M22×1.5)
Air supply connection	Rc1/4
Environment temperature	Explosion-proof type -20-+60℃; Ordinary type -40-+80℃
Relative humidity	≤90%
Linear	±1%
Hysteresis error	1%
Dead band	0.4%
Protection grade	IP65
Explosion-proof grade	Ex iaⅡCT6 Gb; Ex dⅡCT6 Gb

Third, Model Specification

HEP- 0 0 0 0

Model	Action type	Explosion-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

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HEP series electrical and gas valve locator

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