Pressure relief valve VS is made of aluminium alloy die-cast.
Equipped with adjustable spring, so that relief pressure can be precisely set up on site. Pipe connections meet group 2.
Designed for high relief flow.
Suitable for use with air and non-aggressive gases included in the 1, 2 and 3 families (EN 437). Special versions for aggressive gases (like biogas or COG) are free of non-ferrous metals and provided with rubber part made of FKM (J version).
Provided with pressure test points on two sides in the inlet chamber to connect manometers, pressure switches or other gas equipments.
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