Stainless Steel Vacuum Breaker

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The VBS series of Anti-siphon Vacuum Breakers are a 304 Stainless steel valve with Stainless Steel internals and FKM seals & seat. This vacuum breaker is designed to allow atmospheric air to enter a system where there is a vacuum build up that needs to be relieved. After the pressure in the system has increased to above atmospheric presssure, the seat will seal and close off the system to the atmosphere. 

Model Size Media Pressure Media Temperature
VBS-04 1/2" BSPT 0.1 to 20 Bar -20°C to 180°C

Recommended installation for the VBS Vacuum Breaker is for the unit to be in a vertical position.

Model Size H L D
VBS-04 1/2" BSPT 63 36 13.5

Item Description Material
1 Body SS304
2 Disc SS304
3 Valve Seat FKM
4 Guiding Column SS304
5 O-Ring FKM
6 Bonnet SS304

Size 1/2" BSPT
Body 304 Stainless Steel
Pressure Range 0.1 to 20 BAR
Temperature -10°C to 180°C