Industrial Grey PVC-U Pipe And Fittings Industrial Grey PVC-U Valve
PVC-U Vacuum Breaker Valve Type 595
• Excellent for prevention of negative pressures/vacuum • Suitable for tank installation • Assists in reducing escape of gases into environment
PVC-U Vacuum Breaker Valve Type 595
PVC-U Cone/ Halar Spring
SIZE PN 1/2” 16 3/4” 16
EPDM
FPM
161 595 102 161 595 103 161 595 104 161 595 105 161 595 106 161 595 107 161 595 108 161 595 109
161 595 112 161 595 113 161 595 114 161 595 115 161 595 116 161 595 117 161 595 118 161 595 119
1” 16
1.25” 16
1.5” 16
2” 16
2.5” 16
3” 16
4” 16
161 595 110
161 595 120
Operation: Aerate when draining
The cone is pressed continually into the profile seal by the spring and only opens when there is a negative pressure in the pipeline or the tank.
The 595 valve allows the required volume of air to flow, thus equalizing the pressure and preventing negative pressure and the associated damages from occuring. Subsequently, the valve closes again by spring force.
Valve closed by spring force
Draining produces a negative pressure
Valve opens, air flows in Valve closes after pressure has been equalized
1300 PIPING (1300 747 464)
V 4.4
PAAS Source Book 29
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