Applications of Exhaust Blast Valve :
The exhaust blast valve is used as an exhaust gas valve for Civil Defense and military shelters and is specially designed to be used in the exhaust systems of diesel engines and is suitable for other applications with hot and corrosive gases.
Specification :
The exhaust blast valve comprises a special heat-resistant steel pressure disk mounted on a stainless steel spindle within a cast steel valve body and casing. The valve disk is held open by the gas flow and closes in response to the blast load.
The manufacturer of the exhaust blast valves is European EMC Products Ltd, UK.
Design Criteria :
The exhaust blast valve complies with all known UK, NATO, and international security and performance standards
The valve is held open by the gas flow
Normal operation Blast pressure from the outside Valve closes
Test and performance data
The valve is designed and tested to withstand multiple long-duration blast loads having a peak reflected overpressure of 19 bar while retaining its full functional ability.
The valve is shock tested in the directions of the three main axes with a mechanical shock of the installation base having an acceleration of 30 g.
The PVD-250 exhaust blast valve is designed to function within an operating temperature range of -20 … +520 ºC.
