Hercules Product Info 
Hercules Product IdSM44
Product DescriptionCONNECTOR DUCT STL 44IN HOT DIPPED GALV
Unit of MeasureEA
Manufacturer Info 
Manufacturer NameDuctmate Industries
Brand NameDuctmate®
Part NumberSM44GA
Product DescriptionDuctmate® Spiralmate® SM44GA Duct Connector, 20 ga
Product Features
A 3 piece round connector system consisting of 2 precision roll-formed mating flanged rings injected with specially formulated 5511M™ integral mastic designed to seal on contact with the duct-wall. A specialized high density neoprene gasket is used to seal the mating flanges and the connection is completed with a one piece precision roll formed connector clamp with a specially designed adjustable single point fastener that fits effortlessly around the two mating flanged rings. For mining or unique application an alternative "Ventmate" connector clamp with the same high quality neoprene gasket embedded into in it can be used. Consult factory for Ventmate applications.
Simple and easy connection
No additional sealing required
Spiralmate® has been tested to 18 in-WG positive pressure and 10 in-WG negative pressure
Spiralmate® is not recommended for applications with duct gauges heavier than 16 ga or lighter than 28 ga
Both profiles will accept 12 ga longitudinal duct seam
Product Documents 
Document TypeDownload Link
SDSSM44_SDS (pdf)
Specification SheetSM44_Specification Sheet (pdf)
Product Specifications 
Diameter 44
Gauge 20
Suitable For Use With 3-Piece Round Duct Connector System
Material Steel
Finish Galvanized
Domestic/Import Domestic
Country of Origin US