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

Pneumatic vacuum ball valve
Unique Vacuum    Unique Vacuum
These pneumatic vacuum ball valve is applicable for the medium flow of connecting or cutting off the pipelines in the vacuum system. This valve uses compressed air as the dynamics. It changes the gas circuit direction through the control of pneumatic components. It pushes forward the air cylinder to make the ball valve have start-stop motions. The straightway valve relies on spherical sealing. Therefore it can be used in both the vacuum and low pressure conditions. It can also be installed in random position. It has Double-acting and Single –acting (Spring return) air cylinder with optional Singal feedback device and electric valves servo.
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
~ 20mA DC Adjustable

Signal Feedback

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

Air Cylinder

Standard manufacture: Double-acting

Special designation: Single-acting(Spring return ~ &N/o or N/c

flange(KF)connection and outline dimension(GB4982)

Model

Nominal diameter (DN)

D(mm)

B(mm)

H(mm)

L(mm)

A(mm)

PVBV-16/KF

16

30

17.2

154

100

140

PVBV-16/KF

25

40

26.2

175

114

164

PVBV-40/KF

40

55

41.2

247

168

210

PVBV-50/KF

50

75

52.2

282

175

247

Loose flange connection and outline dimension (GB/T6070)

Model

Nominal Diameter(DN)

ΦD

ΦB

H

L

A

n-ΦC

PVBV-16

16

60

45

154

100

164

4-6.5

PVBV -25

25

70

55

175

114

PVBV -32

32

90

70

220

140

4-9

PVBV -40

40

100

80

247

165

247

PVBV -50

50

110

90

282

175

PVBV -63

63

130

110

320

186

PVBV -80

80

145

125

345

198

8-9

PVBV -100

100

165

145

378

220

PVBV -125

125

200

175

458

266

432

8-11

PVBV -150

150

225

200

523

296

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