ZARP electric eccentric rotary valve

NegotiableUpdate on 06/08

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Overview

ZARP electric eccentric rotary valve

Product Details

product name：	Electric eccentric rotary valve	Product model：	ZARP
Drive mode：	Electric	Connection form：	flange
structural style：	partial	Sealing material：	rubber
Pressure Range：	1.6～4.0MPa	Nominal diameter：	DN25-DN300
Common materials：	Carbon steel, stainless steel	technical advice：

1、 Introduction to ZARP Electric Eccentric Rotary Valve

ZARP ElectricEccentric rotary valveThe cam deflection regulating valve consists of an actuator and an eccentric rotary valve, and is a type of valve that controls fluid by rotating a portion of the ball valve plate around an eccentric axisAngular stroke valveThe rotation center of the valve core is not concentric with the rotation axis, which can reduce wear and prolong service life. There is a guide wing at the rear of the valve core, which is conducive to stable fluid flow and has good stability. Secondly, there are also characteristics such as high traffic and wide adjustable range. Widely used in industries such as petroleum, chemical, power, metallurgy, steel, papermaking, pharmaceuticals, food, textiles, and light industry.

2、 ZARP Electric Eccentric Rotary Valve Standard Specification

Valve body type: straight through cast eccentric spherical valve
Valve core type: eccentric bow shaped globe
Nominal diameter: DN50~300 NPS 2 "~12"
Nominal pressure: PN16~40 CLASS 150LB~300LB
Connection methods: flange FF, RF, RTJ, etc
Clamp type
Valve cover form: integrated type
Packing: V-shaped polytetrafluoroethylene, flexible graphite packing, etc
Sealing gasket: metal clip graphite seal
Execution mechanism: Pneumatic: Pneumatic piston actuator, Pneumatic diaphragm actuator
Electric: DTR series, 3810L series
Surface coating: Green acrylic polyurethane enamel

3、 ZARP Electric Eccentric Rotary Valve Model Compilation

Z	actuator	R	structural style	-Nominal pressure	body material	Nominal Diameter
Z seriesself-actuated regulator	S: Pneumatic piston actuator J: Pneumatic thin film actuator A: Electric DTR actuator R: Electric 3810R actuator	R angular travel	P: Standard full chamber eccentric rotary control valve PF: Soft seal eccentric rotary control valve RP: Shrink cavity eccentric rotary control valve	PN16=16 CL150LB=150 LB	C=WCB LC=LCB P=CF8 PL=CF3 R=CF8M RL=CF3M D=Special Material	DN50= DN50 NPS2〞=NPS2〞

4、 Performance of ZARP electric eccentric rotary valve

Traffic characteristics	Approximately equal percentage
Adjustable range	Full cavity type 100:1 Shrinkage cavity type 40:1
Rated CV value	Full cavity CV 14~1750 Reduced cavity CV 6-700
trip	Fully open at 60 °
Allowable leakage amount	Hard seal: Class IV (0.01% valve rated capacity) Soft seal: Class VI (bubble level)
Basic error%	Pneumatic ± 2	Electric ± 2.0
Return difference%	Pneumatic ≤ 1.5	Electric ≤ 1.0
Dead zone%	Pneumatic ≤ 0.6	Electric ≤ 1.0

5、 Selection parameter table for ZARP electric eccentric rotary valve

Nominal diameter DN (mm)		25	40	50	65	80	100	125	150	200	250	300
Rated flow coefficient Cv	Full cavity type	14	30	55	100	135	230	320	500	850	1300	1750
Rated flow coefficient Cv	Shrinkage type	6	12	20	40	54	92	128	200	340	520	700
Electric actuator
model	Torque (N.M)	PTFE packing, metal seal, allowable pressure difference unit MPa
3810R-10	100	10	7.5	4.0
3810R-30	300				5	4.5	2.3	2.1	1.9
3810R-50	500									1.0	0.6	0.4