Screw Plug Heater

Specifications

Sheath Material	Copper, Steel, 304 Stainless steel, INCOLOY
Watt Density	Up to 120 W/square inch
Screw Plug Material	Stainless steel, Brass, Steel, Titanium
Screw Plug NPT fittings	1 to 4 inches
Diameter	0.260”, 0.315”, 0.375”, 0.430” and 0.475”
Voltage	120 to 480 V AC Single phase or three phase
Terminal Enclosure	IP 23 Standard Terminal Box, IP 66 Water Proof Terminal Box
Control	Thermocouple, RTD, Thermostat, Digitally controlled

Specifications :
The different sheath materials used in these heaters have different watt densities and operating temperatures. While choosing the sheath material following points should be looked at

Stainless Steel : Maximum operating temperature is 1200 °F while the maximum watt density is 120 W/in2
Steel : Maximum operating temperature is 750 °F while the maximum watt density is 120 W/in2
INCOLOY : Maximum operating temperature is 1600 °F while the maximum watt density is 120 W/in2

Features & Benefits :