ASK model

Flap valves are decorative ending of the ventilation or air-heating ducts. are avalilable in two versions - round and rectangular. Maximum working temperature: 90o C. Application only inside buildings.

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Unikalny design

Unique design

Something more than just a fireplace decoration... a definition of style for the entire space.

Unikalny design

Crafted manually

Precision in every detail, so you can be sure you’re getting a high end product.

Unikalny design

Robust construction

Massive, solid construction - assures durability for years.

Unikalny design

Wide range of accessories

Wide variety of compatible masking plates, cassettes and levelling frames.

Available versions

White flap valve

Black flap valve

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Flap valves are made of mild steel powder coated.
Standard colors are black and white.
Available in various sizes.
Flap valves are equipped with mounting frame.


Version: Max. working temperature: Usage: Material and color: Drawing:
ASK 90o C – ending of the ventilation ducts
– only inside buildings
– mild steel sheet powder coated
– colors: black matt, white matt
Technical drawing:
Version: “spiro” diameter – dz [mm] B
ASK 100 100 195 175
ASK 125 125 220 200
ASK 150 150 245 225