DOWN FLOW DISCHARGE RELIEF COWLS

Down flow Discharge Relief Cowls are fibreglass construction and fitted with vermin mesh.
Gravity non return dampers are available as an option for exhaust relief cowls.
Optional architectural colour matching is available upon request.

Mounting
Relief cowls are designed for roof mounting on a purpose built upstand and provide a weatherproof configuration for supply or exhaust air.

Dimensions

Model
Diameter
A
B
C
D
DAS/DA 303 385 360 75 330
DAL/D1 343 490 360 75 265
DD1/D2 369 605 455 75 288
DD2/D3 458 790 560 75 302
DD3/D4 564 990 740 85 420
DD4/D5 756 1275 910 105 484
DD5/D5 1040 1275 1160 150 505