Watlow WATROD™ & FIREBAR® Circulation Heaters
Overview
Watlow circulation heaters combine heating elements, vessel, insulation, terminal enclosure, mounting brackets and inlet and outlet connections into a complete assembly.
Made from NPT screw plug or ANSI flange heater assemblies mated with a pressure vessel (tank), circulation heaters are designed to heat forced-circulation air, gases or liquids. Ideal for either in-line or side-arm operations, these assemblies direct fluids past FIREBAR® or WATROD™ heating elements, to deliver fast response and even heat distribution.
Watlow meets virtually all your circulation heater assembly needs with made-to-order units. These units can be made from a wide range of heating element sheath materials, wattages, vessel sizes and materials, pressure ratings, terminal enclosures and controls.
Made from NPT screw plug or ANSI flange heater assemblies mated with a pressure vessel (tank), circulation heaters are designed to heat forced-circulation air, gases or liquids. Ideal for either in-line or side-arm operations, these assemblies direct fluids past FIREBAR® or WATROD™ heating elements, to deliver fast response and even heat distribution.
Watlow meets virtually all your circulation heater assembly needs with made-to-order units. These units can be made from a wide range of heating element sheath materials, wattages, vessel sizes and materials, pressure ratings, terminal enclosures and controls.
Features & Benefits
- Catalog screw plug and flange part numbers provides a wide selection of WATROD and FIREBAR® elements to meet specific application requirements.
- ANSI B16.5 Class 150 on 4 or 6 inch FIREBAR® element flanges and 3 to 14 inch WATROD element flanges meets recognized agency standards.
- Compacted MgO insulation filled elements maximizes dielectric strength, heat transfer and life.
- Heavy-guage steel jacket (shroud) protects thermal insulation and heating vessel and comes with protective primer coating.
- 1 inch (25 mm) thermal insulation rated to 750°F (400°C) reduces heat loss from the vessel.
Specifications
Material
Alloy 800/400
Maximum Operating Temperatures
1600 F°
870 C°
Maximum Watt Densities
W/in2 = 120
W/cm2 = 18.6
Alloy 800/400
Maximum Operating Temperatures
1600 F°
870 C°
Maximum Watt Densities
W/in2 = 120
W/cm2 = 18.6
Material
316 Stainless Steel
Maximum Operating Temperatures
1200 F°
650 C°
Maximum Watt Densities
W/in2 = 120
W/cm2 = 18.6
316 Stainless Steel
Maximum Operating Temperatures
1200 F°
650 C°
Maximum Watt Densities
W/in2 = 120
W/cm2 = 18.6
Material
Steel
Maximum Operating Temperatures
750 F°
400 C°
Maximum Watt Densities
W/in2 = 120
W/cm2 = 18.6
Steel
Maximum Operating Temperatures
750 F°
400 C°
Maximum Watt Densities
W/in2 = 120
W/cm2 = 18.6
Material
N/A
Maximum Operating Temperatures
350 F°
175 C°
Maximum Watt Densities
W/in2 = 120
W/cm2 = 18.6
N/A
Maximum Operating Temperatures
350 F°
175 C°
Maximum Watt Densities
W/in2 = 120
W/cm2 = 18.6
Documentation
Coming Soon
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