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PVKKS blast valve
PVKKS blast valve

PVKKS – Blast valve

The blast valve PV-KK-S in for mounting on blast resistant wall surface.

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The PV-KK-S blast valve block comprises three spring balanced closing elements moving in a slot and closing the air passage against the valve seats in response to both positive and negative (suction) phase of the blast. The valve blocks are mounted in structural steel frames.


The valve is completely corrosion resistant. The valve closing elements are made of special non-corroding aluminum alloy, all springs are made of stainless steel EN 1.4571 (AISI316Ti), and frame made of structural steel are hot dip galvanized.