GreenSeam Press-On Collar

Manufactured with an integral one-inch flange and peel and stick gasket, a press-on collar installs easily without the need of external sealing.

Damper: Non-dampered — supplied with 3/8" knock-out for field-installed damper.

Technical Data

• 6" collar length (GreenSeam's standard press-on collar)
• GSI Collars are designed and tested to surpass SMACNA Class 3 Leakage Standards*
• Pre-sealed with gasket made of EPDM rubber and proprietary co-polymer
• Zero VOCs
• Galvanized Steel (ASTM A653 and A924)
• G-60 Galvanized Coating (ASTM A653 and ASTM A90)
• Available in Specialty Metals**:
• G-90 Galvanized Steel
• Aluminum (ASTM B209 Alloy 3003 Temper H14)
• 304 Stainless Steel (ASTM A480 2B Finish)
• Pressure Rating: Designed per SMACNA Third Edition 2005 Section 4.8 Figure 4-6 Branch Connections
• Dimensional Tolerance: ± 1/4”

* Test performed on standard fittings without dampers
** 2 piece collar provided on Aluminum and Stainless Steel.