Flap valve KV

Gram flap valves type KV/KV-Y are manual flap valves. They are used for process unit for both low, medium and high pressure in connection with gas/dust and chips.
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).

Product Features

  • Robust construction
  • Strong spring in flap
  • Easy mounting and operation
  • Delivered incl. ball handle and sealing plate
  • Micro-switch with fittings is available
  • Suitable for gas/dust and larger particles
  • Quick coupling up to ø100mm type KI for easy and quick connection
  • Flap valve type KV-B with bayonet for easy and quick connection
  • Many applications

Product Highlights

Further data

  • KV and KV-Y are delivered with ball handle and sealing plate, ready for mounting
  • KV-B is delivered incl. bayonet coupling for easy connection of hoses from welding smoke, exhaust gases and polluted air to ventilation piping.
  • Delivered in nipple measurements
  • Delivered ready for use
  • Connection in muff by nipple connection
  • The flap is made with a specially strong realiable spring
  • Valves with flaps KV/KV-Y are used together with plastic adapter for connecting hose from e.g. hand tools, machines and exhaust gases to ventilation piping
  • Option for micro-switch with fitting for single and double flap valves (against additional payment)

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:

  • ø50mm - ø80mm (main pipe)
  • 2x ø63mm – 2x ø100mm (branch pipe)

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.

Flap valve type KV-B with bayonett coupling

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