Summary of electric butterfly valve.
Working power supply usually have: DC24V, AC220V, AC380V, etc. The input signal: 4 ~ 20 ma, 0 ~ 10 v and other weak current signal. By the external regulation electric actuator and the valve stem connection after debugging; With electricity as the driving force to drive the hard seal butterfly valve plate and a 0 ~ 90 ° part of rotary motion. Receives the industrial automation control system of 4 ~ 20 ma signal to precisely control the valve opening, so as to achieve different process parameters such as flow, temperature, pressure regulation and control.
规格型号
H1
H2
H3
A
B
DN50
65
143
138
165
142
DN65
71
155
138
165
142
DN80
77
162
168
212
155
DN100
107
181
168
212
155
DN125
122
197
168
212
155
DN150
150
210
203
260
186
DN200
165
240
203
260
186
DN250
201
286
203
260
186
DN300
234
309
230
285
195
DN350
302
309
230
285
195
DN400
335
361
230
285
195
DN450
363
393
230
285
195
DN500
398
427
230
285
195
DN600
457
492
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