Vacuum Feedthroughs, Heating Elements, and Custom Process Heaters for Aerospace, University Research, Semiconductor, Medical and OEM Applications

Circulation Heaters - Clean Flow Large Capacity

Circulation Heaters - Mini Clean Flow (MCF) - Large Capacity
We have experience in a wide variety of applications from water, oils, and steam to chemicals and hydrocarbon gases. We carefully engineer sheath and vessel materials to the application using appropriate watt densities to maximize life, yet minimize footprint.

Download Circulation Heater Overview (PDF)



  • Temperatures to 1472°F (800°C)
  • Watt densities to 100W/in²
  • Up to 480 Volts; up to 90KW
  • Fittings and flanges from 1” to 3”
  • 304SS, 316SS & Incoloy® sheaths
  • Standard, seamless & heavy wall elements
  • Insulation
  • Passivation and special cleaning
  • Thermostat or sensors
Circulation Heaters - Mini Clean Flow (MCF) - Large DI Water

Examples of Custom Circulation Process Heaters

Mini Clean Flow Heater - Large
DI Water Specifications

  • Temperature from 18°C to 65°C in 2 hours
  • 316 Stainless Steel (All Wetted Parts)
  • Pressure tested to 90 PSI
  • NEMA 4 Housing
  • RTD, 3-wire 100 ohm process sensor built-in near outlet
  • 16KW (± 10%), 208 Volt, 3-phase
  • Mounting threads on the bottom of the assembly
  • Medium being heated: Deionized Water (DI Water)
  • Recirculate at 2-4 GPM
  • 3/4" Female NPT's for the Inlet and Outlet

Clean Flow Heater - Large Capacity
DI Water Specifications

  • 3" OD x 60" Long, Perpendicular Configuration
  • 3/4" Female NPT Inlet and Outlet
  • 316 Stainless Steel (All Wetted Parts)
  • 20KW (± 10%), 480Volt, 3 Phase
  • Downstream RTD/PT100 Medium Sensor (can be Type "K" TC)
  • 6" x 6" x 4" NEMA 4 BOX Steel with Terminal Block
  • 90 PSI Leak Test
  • Chemically Cleaned and Bagged

Clean Flow Heater - Flange Style

  • 5" Ø x 77" overall length
  • Outlet temperature: ~415°F (213°C)
  • 3 GPM Flow Rate
  • Perpendicular Flow configuration with (3) 3/4" NPT, 304 SS inlet and outlet fittings
  • 4" NPT plug, easier access for cleaning
  • Pressure tested to 90 PSI assembled
  • Pass all electrical tests: 2 M? sheath to case, Hi-pot 1600VDC @ 1mA for 2 seconds, 500VDC M? insulation resistance test
  • Horizontal or vertical flow position
  • Replaceable Type "K" thermocouple in flow medium stream
  • 22.3 KW, 480 Volt, 3-phase
  • Material: 300 Series Stainless Body and Rod-Style Elements with a brass 4" NPT Clean Out
Clean Flow Heater Flange Style BCE11486



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