Heater Ducting

This 12" x 12' canvas heater sock is constructed with a treated tan canvas and utilizes a heavy weight fiberglass liner. Product is complete with coiled spiral wire, attached pin-lock couplings and two tie straps. Full and partial lined options are available.

Our SRT fabric has excellent tear and tensile strengths, chemical & UV resistance and offers the capability to handle 3250 F (1630 cI. For extended durability and temperature handling, SRT socks or ducting provide an excellent substitute for neoprene coated polyester or standard canvas ducting products.

From custom ducts constructed with PVC coated fabrics that meet strict military specifications to those unique high heat applications requiring silicone coated fiberglass, we can provide the answer to your specific heater duct application.

Description	Colour	Temp.Rating
Mil Spec Ducting	Olive Drab or Yellow	325°F/163°C
HT Ducting	Silver	500°F/260°C
ET Ducting	Red	900°F/482°C

Pin lock Coupling
The standard 12" nominal coupling for Herman Nelson style heaters. Constructed with banding and a two pin mechanism, one solid and one push type for easy installation.

J-lock Couplings
A custom stainless steel coupling utilizing three pins and a twist and lock "J" style mechanism. A Mil Spec design stocked in nominal 6" and 12" diameters.