Used to connect hoses from e.g. hand tools, welding smoke etc. to ventilation pipes. For this use the plastic adapter KI up to ø100mm between flap valve and hose or the version with bayonet coupling ø100-ø160mm between flap valve and plastic adapter are used. Easy mounting and tight connection (only with plastic adapter type KI).
Gram flap valves, single, type KV are available in the dimensions from ø50mm – ø160mm.
Gram flap valves, single, type KV-B are available in the dimensions from ø100mm - ø160mm
Gram flap valves, double, type KV-Y are available in the dimension from:
Sealing plates for lid on flap valvesl type KY/KV-Y are available from ø80mm – ø160mm.
All measurements are outer measurements. Please,see brochure page.
Flap valves type KV/KV-Y/KV-B are supplied in black steel and thus powder enamelled.