PWQ-R slide channels can be used for fastening rectangular
ducts together. A slide channel of a desired length is slid
over PQ-20 or PQ-30 flange frame angle sections which are
connected with each other.
The slide channel is most often used when the ducts have to be
completely mated along their entire flange frame length and when
the clearance over a ducts is too small to access and tighten KLQ G-clamps.
The upturned bottom edges help slide the channel over the PQ flange
frames and drive them to stop from the sides.