Engineered Performance Ducting offers a complete line of sock and ducting products to meet your heating requirements. From standard canvas to custom fabric options, including Military Spec, SRT thermoplastic rubber and silicone coated fiberglass, we have a solution to meet your needs.

Thermoplastic Rubber Duct

Our SRT fabric has excellent tear and tensile strengths, chemical & UV resistance and offers the capability to handle 325°F (163°C). For extended durability and temperature handling, SRT socks or ducting provide an excellent substitute for neoprene coated polyester or standard canvas ducting products.

High Heat Duct

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.

Mil Spec Ducting

HT Ducting

ET Ducting

Olive Drab or Yellow

Silver

Red

325°F / 163°C

500°F / 260°C

900°F / 482°C

Pin Lock Coupling

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.

A Custom stainless steel Retractor and Carrier System with hook and loop for quick and easy storage. Compatible with Pin Lock and J-Lock Couplings. A Mill Spec design stocked in nominal 6” and 12” diameters.