Description
SAFID’s single wall rectangular duct and fittings are factory fabricated and supplied with factory applied sealant on all longitudinal joints for S & Drive slip ducts and additionally on transverse joints for all flanged end ducts and fittings.
SAFID’s rectangular ducts can be supplied in either fully assembled form or knocked down form for straight ducts (minimum requirement for assembly of straight ducts on site) while fittings will be delivered fully assembled with factory applied sealant. SAFID’s rectangular duct line can be supplied in various materials:
- G - Galvanized Steel (in accordance with ASTM 653, G90 coating)
- H - Stainless Steel (in accordance with ASTM A240/480 and various material grades)
- A - Aluminum Metal (in accordance with ASTM B209, type alloy 3003, H14)
- P - Painted Galvanized Steel (as G, but with various paint system i.e. epoxy)
SAFID Rectangular Duct and Fittings must be assembled according to these instructions:
Assembly of Instructions
- The duct must be free from dirt.
- Only use undamaged SAFID rectangular duct and fittings.
- Apply continuous gasket to effectively seal flangesand corners.
- Fasten the duct and fitting together with bolts and nuts at four corners.
- Mating flanges shall be locked together by duct clamps spaced at centers not exceeding 200mm.
For more details and further reading, refer to the Attachments.
