All round spiral duct and fittings shall be manufactured from g 90 galvanized steel conforming to astm and smacna standards.
3 8 inch by 18 spiral steel spike spec sheet.
Specifications for spiral pipe and fittings minneapolis mn 5850 main street n e.
Single wall spiral pipe sheet metal connectors inc.
Elbows through 12 shall be die formed with stitch welded joints.
Pdf spec sheet od in connection id in adjusted weight lb ft mu torque ft lbs type.
Size nominal weight lb ft grade connection range od tool joint id tool joint drift tool joint 2 7 8 10 40.
Standard elbows will have 1 5 centerline radius.
Other radii and vaned elbows are available as needed.
Elbows 14 through 30 shall be.
3 60 stainless steel 24 18 gauge a 240 304 or 316 1 20 10 standard.
Spike powers usa 800 524 3244 or 914 235 6300 canada.