Short pressed bends are designed for building ventilation systems based on SPIRAL ducts and plain ducts. Seam welds provide air tightness class D without the need to use any other sealants.
In ventilation and heat recuperation systems, the double EPDM gasket provides air tightness class D according to EN 12237. The piece is connected with a duct by inserting one into the other. The short bending radius helps installing the ductwork under a suspended ceiling with a limited clearance.
BPKFL bends feature a female joint for direct connection to the mounting frames of various air valves (e.g. KN-RM or KWO-RML).
