To minimise risk of tank damage due to implosion and overpressure.
Applicable as an option to dead weight or spring
regulated safety valves. Please see separate PD leaflets.
The combined safety valve comprises a vacuum valve housing
with an overpressure safety valve on top. The valve is
available with the overpressure design in the following
Spring loaded overpressure valve or remote controlled
Pressure Exhaust (PE) valve
Dead weight pressure relief valve
Please see separate PD leaflets.
3 / DN80 70 mm 50 or 80 mm
11⁄2 or 2 2 or 3
4 / DN100 100 mm 80 or 100 mm 11⁄2, 2 or 3 2, 3 or 4
6 / DN150 150 mm 80 or 100 mm 11⁄2, 2 or 3 2, 3, 4 or 6
8 / DN200 200 mm 80 or 100 mm 11⁄2, 2 or 3 2, 3, 4 or 6
Size and choice of valve type should be made based on the
tank design data and process requirements.
All metallic parts: Stainless steel AISI 304
(or acc. to customer specifications)
Valve bodies: PP
Valve gasket: NBR. Non-toxic food grade materials.
Bursting discs: Graphite
The vacuum valve housing is supplied with a built-in CIP
nozzle that ensures complete cleaning inside the housing.
CIP connection: 1/4 BSP socket.
The anti vacuum valve operates as standard at 50-75 mm
W.G. depending on valve size.
The pressure relief valve/bursting disc ensures pressure
exhaust if pressure in the tank exceeds the preset opening