To further protect your tank an overflow valve can be installed. This should not be used as the primary relieving device as it is designed to give a sealing of a liquid overflow stopping vapour emissions or liquid loss until a set point is reached.
It is usually mounted on the same nozzle as the pressure/vacuum vent with the pipework hanging down over the side of the tank but remaining within the bund. The valve should be installed in a horizontal position and the weight allowed to swing freely to give the cover room to open.
Size range 2" (DN50 mm) – 12" (DN300 mm)
Standard body materials – Aluminium, Carbon steel, Stainless steel
Standard trim material – Stainless steel
Diaphragm material - FEP
Body materials – Aluminium, Carbon steel, Stainless steel, Polypropylene
Trim material – Stainless steel, Hastelloy, Polypropylene
Diaphragm material – FEP
Connections to suit your tank typically ANSI/DIN/API
Nonstandard applications –such as steam jacketed, Derakane coated - please consult us.Enquire about this product
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