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Unique Vacuum Systems, Bangalore India, Supplier of Vacuum Pumps, Measuring instruments, Helium leak testing services
 
 
 
A Series Electric high-vacuum Butterfly Valve
Unique Vacuum    Unique Vacuum
A Series Electric High-vacuum Butterfly Valve adopts the rotary electric, electronic regulation type valve drive device. It can fulfill the valve open,close or intermediate position control through externally-connected power source conversion (by manual indexing switch or computer control) or outer input signal. It is applicable for connecting or cutting off the airflow in vacuum tubes.
This series valve plate adopts the clamping structure. It tightly grips the valve plate seal ring. Apart from the capability of this valve being used in vacuum conditions, it can also bear certain pressure.
Technical specifications:

Scope (Pa)

2x107 ~1.3x10-7

Valve Leakage Rate(Pa.L/S)

≤1.3x10-8

Time for opening and closing the valve (S)

DN≤63 20;80≤DN≤200 30; DN≥250 48

Medium temperature(°C )

-25 ~+80(Sealing Material NBR)

-30 ~+150(Sealing Material FPM)

Flange Standard

GB/T6070

Installation location

Random

Rated voltage

Standard manufacture :AC220V/50Hz Switch type

Special designation :AC380V;DC24V Switch type

4 ~20mA DC

Signal Feedback

Standard manufacture :Without passive contactor

designation:4 ~20mA DC Adjustable

Dimensions:

Model

Nominal Diameter(DN)

ΦD

ΦB

H

A

L

W

n-ΦC

EBV-50A

50

110

90

218

26

160

113

4-Φ9

EBV -63A

63

130

110

229

32

EBV -80A

80

145

125

272

196

121

8-Φ9

EBV -100A

100

165

145

282

8-Φ12

EBV -125A

125

200

175

300

35

EBV -150A

150

225

200

369

255

158

EBV -200A

200

285

260

399

45

12-Φ11

EBV -250A

250

335

310

427

50

EBV -300A

300

425

395

471

55

12-Φ14

EBV -400A

400

510

480

546

60

310

207

16-Φ14

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