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BVNC OVERPRESSURE VALVES
BVNС - Overpressure Blast Valves, Normally Closed Valves
Overpressure valves are normally closed valves designed to maintain the overpressure inside the protected area in predetermined values and can be blast protected. The operation of such valve is to stay closed until a predefined level of overpressure reached in the chamber / shelter and automatically to release the air / pressure to prevent it raising the allowed values.
Overview
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Blast valves are used to stop implosive and explosive blast waves from penetrating the protected structure.
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Normally closed blast valves are installed on the exhaust side, allowing controlled air replacement and creating the desired internal air over-pressure level.
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The valves are extremely durable and withstand heat and corrosion.
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Normally open Blast valves can be equipped with a dust pre-filter for removing dust particles.
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The valves are low in pressure drops and are maintenance free.
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They are continuously and regularly tested by various International Standard Institutes.
BVNC Valves Specification & Brochures
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