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Unique Vacuum Systems, Bangalore India, Supplier of Vacuum Pumps, Measuring instruments, Helium leak testing services
 
 

Electric vacuum ball valve
Unique Vacuum   Unique Vacuum
These electric vacuum ball 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.
Technical specifications:

Operation range (m. BAR)

Quick release flange(KF)2x103~1.3x10-7
Loose flange 16x103
~1.3x10-7

Valve Leakage Rate(Pa.L/S)

≤1.3x10-7

Time for opening and closing the valve (S)

DN≤32   20; DN≥40   30 

Medium temperature(°C )

Standard manufacture:-30~+150
Special designation
:-30~+240

Flange Standard

GB4982;GB/T6070

Installation location

Random

Rated voltage

Standard manufacture:AC220V/50Hz Switch type Special designation:AC380V; DC24V Switch type
4
~20mADC Adjustable

Signal Feedback

Standard manufacture: Without passive contactor
Special designation
: 4~20mADC Adjustable

Flange(KF)connection and outline dimension(GB4982)

Model

Nominal diameter (DN)

D(mm)

B(mm)

H(mm)

L(mm)

A(mm)

EVBV-16/KF

16

30

17.2

178

100

160

EVBV-16/KF

25

40

26.2

193

114

160

EVBV-40/KF

40

55

41.2

248

165

196

EVBV-50/KF

50

75

52.2

257

175

196

Loose flange connection and outline dimension (GB/T6070)

Model

Nominal Diameter(DN)

ΦD

ΦB

H

L

A

n-ΦC

EVBV-16

16

60

45

178

100

160

4-6.5

EVBV -25

25

70

55

193

114

EVBV -32

32

90

70

211

140

4-9

EVBV -40

40

100

80

248

165

196

EVBV -50

50

110

90

257

175

EVBV -63

63

130

110

275

186

EVBV -80

80

145

125

300

198

8-9

EVBV -100

100

165

145

338

220

EVBV -125

125

200

175

373

266

255

8-11

EVBV -150

150

225

200

390

296

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