Overpressure Valves - Normally Closed Valves
BVNC overpressure valves are normally closed valves designed to maintain or control the differential pressure level in the shelter by releasing the air from the gastight shelter while offering providing protection from external blast wave pressure.
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BVNC overpressure valves were developed for use in civil defence shelters, bunkers, safe rooms and other protected spaces.
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BVNC line of valves includes a wide range of valves for different airflows.
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BVNC are automatic action valves designed to protect from external blast wave pressure.
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BVNC designed for controlled release of air from the shelter when positive pressure (overpressure) rises to required level.
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The valves are extremely durable and can operate in a wide range of temperatures and resistant to corrosion.
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The valves are designed for installation on ventilation openings or as part of the duct.
PRV 800 - Differential Pressure Valve (Regulated)
PRV 800 Differential Pressure Valve which can be regulated to maintain and control the differential pressure levels between different compartments like airlocks or the sheltrer and outside. Regulated airflow in range of 50-800 m3/h.
BVNC 40 - Overpressure Blast Valve
BVNC 40 overpressure blast valve is a normally closed valve designed to maintain and control the differential pressure levels in the shelter and protect the internal space from the blast wave pressure coming from outside. Nominal airflow 40 m3/h @ 200 Pascal.
BVNC 300 - Overpressure Blast Valve
BVNC 300 overpressure blast valve is a normally closed valve designed to maintain and control the differential pressure levels in the shelter and protect the internal space from the blast wave pressure coming from outside. Nominal airflow 300 m3/h @ 200 Pascal.
BVNC 600 - Overpressure Blast Valve
BVNC 600 overpressure blast valve is a normally closed valve designed to maintain and control the differential pressure levels in the shelter and protect the internal space from the blast wave pressure coming from outside. Nominal airflow 600 m3/h @ 200 Pascal.
BVNC 1500 - Overpressure Blast Valve
BVNC 1500 overpressure blast valve is a normally closed valve designed to maintain and control the differential pressure levels in the shelter and protect the internal space from the blast wave pressure coming from outside. Nominal airflow 1500 m3/h @ 200 Pascal.
Heavy-duty overpressure valves for shelters and industrial applications designed to control the differential pressure
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