Gas safety solenoid shut-off valve series VSB and VSA, approved according to the norm EN 161 with product identification and manufactured according to ATEX rule 94/9/CE -Zone 2 and 22 (II 3G –II 3D), are suitable for the automatic control of gases belonging to the first, second and third family. On request there are versions for biogas and air. These valves, normally closed for continuous and cyclic operation, open by powering the coil and close quickly when there is no tension.
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