Watlow’s flange heater without baffles

Watlow 3″-8″ Flange Heaters

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Description

Watlow’s WATROD and FIREBAR flange heaters were designed to continuously and efficiently heat forced-circulation air, liquids, or gases in closed-loop applications, offering freeze protection in colder climates and better viscosity control. These heaters are ANSI-compliant, can be used in in-line or side-arm operations, and can operate at temperatures up to 1,600 degrees Fahrenheit, depending on the sheathing material.

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Standard Features

  • Comes ready to install
  • Even heat distribution
  • Fast response time
  • Multiple configuration options
  • Fully customizable based on unique application needs
  • Compact design that doesn’t compromise power
  • Features mgO insulation filled elements
  • Features 1” thermal insulation rated to 750 degrees Fahrenheit
  • Constructed from a heavy-gauge steel shroud
  • Rated to ANSI pressure Class 150
  • Comes with welded-on mounting lugs
  • Has easy access to terminal wiring
  • Meets basic industry safety standards

Optional Features

  • Moisture- and/or explosion-resistant enclosures
  • Stand-off terminal enclosures for added temperature resistance
  • ASME pressure vessel stamp
  • Branch circuits (48 A per circuit)
  • CSA, ATEX, or IECEx-certified enclosures
  • Single- or double-pole thermostats
  • Baffles for low-flow or critical sheath temperature applications
  • Type J or K thermocouples
  • Passivated finish
  • Rubber, asbestos-free, spiral-wound gaskets
  • Compatible inlet and outlet connections
  • Support saddles
  • High-temperature thermal insulation

Hi-Watt is a turnkey regional supplier in Michigan. Our team can help you select and configure the best product based on your application, install and integrate your chosen equipment, and provide ongoing support as needed.

Diameter Up to 8″
Watt Density Up to 120 W/in2
Wattages Up to 3 MW
Pressure Rating Up to ANSI 600
Maximum Temperature Varies based on sheath material:

Alloy 800/840 (1,600 degrees Fahrenheit max)

316 Stainless Steel (1,200 degrees Fahrenheit max)

Steel (750 degrees Fahrenheit max)
NPT Screw Plugs Available in 1 1/4″ or 2 1/2″
ANSI Flanges Available in 3, 4, 5, 6, 8, 10, 12, or 14″ configurations
Sheath Material Options Alloy 800/840 (standard, WATROD)

316 Stainless Steel (standard, WATROD)

304 Stainless Steel (standard for FIREBAR or made-to-order for WATROD)

Steel (standard, WATROD)

Alloy 600 (Made-to-order for WATROD)

Titanium (Made-to-order for WATROD)

Hastelly® C276 (Made-to-order for WATROD)

Download Spec Sheet

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