Galvanized steel has good corrosion resistance.
Stainless steel spiral wound duct.
A spiral seam makes this duct strong and rigid.
Gauges 28 to 16 for galvanized spiral lock seam 28 to 18 for stainless steel spiral lock seams 0 025 to 0 080 for aluminum spiral lock seams 22 gauge to 3 8 for welded longitudinal seam duct.
With stainless steel 304 or 316 biyang stainless steel spiral duct is more rust resistant and much tougher than the galvanised steel ducting.
Pvc coated steel combines the strength of steel with the corrosion resistance of plastic.
24 gauge type 304 stainless steel spiral ductwork with slip connection.
Spiral ducting is a circular round spirally wound length of duct this type of ductwork is generally cost effective as it can be made with 32 less sheet metal than rectangular ducting.
It has excellent drawing and forming characteristics and provides excellent resistance to a wide range of corrosives.
Single wall round spiral duct and fittings construction standards positive pressure gauge selection for galvanized steel astm a 653 paint grip steel type 304 and 316 stainless steel and eastern polyvinyl chloride coated steel pcs fittings are spot welded and or gorelocked through 40 diameter.
304 stainless steel is more corrosion resistant than steel.
Biyang stainless steel spiral duct or stainless steel spiral pipe has been in hvac ducting industry for more than 10 years.
For technical drawings and 3 d models click on a part number.
Fittings have male ends with a slightly smaller diameter to press fit into duct.