About us
Vacuum Only Vent

To ensure that tanks and vessels are kept safe during periods of excessive vacuum caused by emptying of product and changes in thermal contraction.

All vents come pre-set with full certification including material test certificates, Atex certificate of conformity and function test certificates.


Standard Weight Loaded Vacuum Settings -2 mbarg to -60 mbarg

Standard Spring-Loaded Vacuum Settings   -70mbarg to -700mbarg

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

Removable seats with self-draining design to prevent freezing

Connections to suit your tank typically ANSI/DIN/API

Lightweight design

Nonstandard applications – such as steam jacketed, Derakane coated - please consult us.

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Vacuum Only Vent

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