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

Electro-magnetic vacuum gas valve- general type KF-16
Unique Vacuum    Unique Vacuum
This vacuum electro-magnetic pressure difference gas valve is a vacuum valve installed in the gas inlet of the mechanical pump and open & close simultaneously. When the pump stops working or power supply is suddenly interrupted, the valve will depend on atmospheric and vacuum pressure on making the valve plate closes automatically, will be closed vacuum system to maintain their vacuum, and the atmosphere through the throttle valve into the pump chamber in order to avoid pump oil return to vacuum system. In this way, it protects the vacuum system and is beneficial for the re-starting of mechanical pump.
The applicable active medium of this valve are air, non-corrosive gas
Main technical performance:

Scope (m.Bar)

103~1x10-5

Valve Leakage Rate(Pa.L/S)

1.0x10-6

Rated voltage(V/Hz)

220/50

Medium temperature (°C )

-25~+50

Time for opening and closing the valve (S)

≤3

Installation

Vertical or Horizontal

Flange standard(V/Hz)

GB4982;JB919

(KF)Outline dimension and connection size

Model

Nominal Diameter(DN)

ΦD

ΦB

H

A

bxb

AAV-GEN/KF 16

16

30

17.2

153

40

37x37

AAV-GEN /KF 25

25

40

26.2

155

50

62x62

AAV-GEN /KF 40

40

55

41.2

178

65

80x80

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