Intelligent electric sleeve control valve
manufacturer: Shanghai MeiYan Yi Pump & Valve Co., Ltd.
Eml: sales@1bengfa.com
Tel: +86 (21) 5640 2009
Mob: +86 138 1691 3072（WeChat Same Account）
product drawing
Intelligent electric sleeve control valves
features
ZYHWM series intelligent electric sleeve valve produced by Shanghai yihuan flow control equipment Co.,ltd is a pressure balanced regulator. Equipped with RQW series intelligent electric actuators, compact general structure, light weight, good stability, high protection grade. So it is widely used in large heat-engine plant, water treatment, gas oil, steel works and other automatic regulation system..
main functions and features
1, double sealing structure
2, non-intrude design thought
3, torque protection
4, automatic sequence adjustment
5 instantaneous reversal protection
6 power lacking phase protection
7 protection when the valve is stuck
8 overheating protection
9, valve position and torque testing
10 solid state relays and inertia braking functions
11 clearance time operation
12, fieldbus control
13 actuator display function
14 electronic bars function
15 infrared setting function (the following content:
A. output shaft rotation direction when closing
B. open and close limit switches protection
C. open and shut operating torque setting value
D. on-site control option or keep moving
E. four state instructions of Relay choice
F. emergency action function selection
G. dynamic function of remote control selection
H. simulation control signal setting
Structure:
Intelligent electric sleeve control valve constructral diagram(pic1)
Intelligent electric sleeve control valve constructral diagram(pic2)
single seat valve
sleeve valve
up and down signle seat valve
double valve
tee valve
technical parameters and performance indicators
output thrust：44-550KN
（output adjustable thrust：5.17-47.05KN）
（output rated close thrust：8.4-63.15KN）
position control intrinsic error：（setting stroke time ≥25s）±1%
weight error：（setting stroke time≥25s）≤1%
dead zone：0.1%-9.9% adjustable
Output rated load startup frequency：1200 time/hour
input signal：4-20mA/100Ω，2-10 mA/100Ω，DC24V switching value。
power supply：380±10%VAC，50Hz
relative temperature：≤95%
environmental temperature：-30℃~＋70℃
explosive-proof grade：Exd Ⅱ Bt4
protection grade：IP68
body, bonnet：WCB、ZG230-450、ZG1Cr18Ni9Ti
core, seat：1Cr18Ni9Ti, stellite
stem, pushrod：2Cr13、1Cr18Ni9Ti
sleeve：2Cr13
Packing: PTFE, flexible graphite, stainless steel bellows
Input/output channel adopts photoelectric isolation
main technical parameters
| DN(mm) (core diameter dn) |
25 | 32 | 40 | 50 | 65 | 80 | 100 | 125 | 150 | 200 | 250 | 300 | 350 | 400 | 450 | 500 | ||
| rated flow ratio Kv | linear | 11 | 17.6 | 27.5 | 44 | 69 | 110 | 176 | 275 | 440 | 690 | 1100 | 1760 | |||||
| equal percentage | 10 | 16 | 25 | 40 | 63 | 100 | 160 | 250 | 400 | 630 | 1000 | 1600 | ||||||
| rated stroke L(mm) | 16 | 25 | 40 | 60 | 100 | |||||||||||||
| intrinsic flow characteristic | linear, equal percentage | |||||||||||||||||
| intrinsic adjustable ratio R | 50：1 | |||||||||||||||||
| allowed leakage | hard seat：Ⅳ, soft seat：Ⅵ | |||||||||||||||||
| PN(Mpa) | 1.6、 4.0、 6.4 | |||||||||||||||||
| working temperature t （℃） |
normal temperature | -20～200、 -40～250、 -60～250 | ||||||||||||||||
| radiating type | -40～450、-60～450 | |||||||||||||||||
| high temperature | 450～560 | |||||||||||||||||
| low temperature | -60～100、 -100～-200、 -200～-250 | |||||||||||||||||
This product performance index implement GN/T4213-92
