Automatic non-return valve - Two-way shutter 315mm AVM 31

Automatic non-return valve - Two-way shutter 315mm AVM 31 – Maico – 0093.0009 – 4012799930099: Automatic pipe check valve AVM 31, material=stainless steel, nominal diameter channel=315 mm, horizontal and vertical installation possible. Flow direction for vertical installation from bottom to top. With 2 counter-rotating flap halves made of aluminium. With all-round seal. Non-return flaps open in the air flow and close via spring force. Item: AVM 31, air direction: ventilation, installation position: vertical / horizontal, material: sheet steel, galvanized, weight: 1.7 kg, flap type: automatic. opening/closing, nominal width: 315 mm, width: 313 mm, height: 313 mm, depth: 128 mm, suitable for box fans: no, suitable for roof fans: yes, suitable for duct fans: yes, suitable for heat recovery systems: no, suitable for Wall mounted fan: no, Suitable for built-in wall fan: no, Suitable for residential building fan: no, Suitable for centrifugal fan: no, Suitable for circulation fan: no