704-399-4248 sales@sethermal.com

Closed-Loop Process Air Heaters

Jet Air Heaters 

The JET provides a compact and efficient heater solution for air temperatures up to 1400°F (760°C). Available in a 3.0kW or 8.0kW, 240V 1ø unit, the Jet offers two type “K” thermocouples with a convenient terminal block for easy wiring. To ensure safety, power and perfect control, connect with the optional Jet Control Panel. Each heater has a convenient method for mounting the housing and offers a ground stud located at the inlet of the heater. Air is commonly supplied by compressed or regenerative air.

JET PRODUCTS
  • F074718 JET 3.0kW 240V 1PH
  • F074719 JET 8.0kW 240V 1PH
  • F074722 CONTROL SUREHEAT JET 240V 40A
  • F075526 CONTROL SUREHEAT JET W/RS-232 COM

Max Air Heaters

The Max provides a compact and efficient heater solution for air temperatures up to 1400°F (760°C). Available in a 6.0kW to 36.0kW, 240V/380V/480V 1ø / 3ø units, the Max offers two type “K” thermocouples with a convenient terminal block for easy wiring. To ensure safety, power and perfect control, connect with the optional Max Control Panel. Each heater has a convenient method for mounting the housing and offers a ground stud located at the inlet of the heater. 

Additional Info

  • Small size – 4” diameter body
  • Convenient threaded inlet and exit ports for air connections 

  • High temperature plastic wiring enclosure with built in connections ​

  • Rugged stainless steel heater body

  • Stainless steel mounting base

  • Built in type K thermocouples

  • Exposed wire low mass element for fast heat up/cool down

  • Rated for pressures up to 60 PSI (4 bar)

  • Available in a range of wattages, voltages up to 36 KW, 480 Volt, single or three phase

MAX PRODUCTS
  • F074723 MAX 6kW 240V 1PH
  • F074724 MAX 6kW 240V 3PH
  • F074725 MAX 6kW 380V 3PH
  • F074726 MAX 6kW 480V 3PH
  • F074727 MAX 10kW 240V 1PH
  • F074728 MAX 10kW 240V 3PH
  • F074729 MAX 10kW 380V 3PH
  • F074731 MAX 10kW 480V 3PH
  • F074732 MAX 18kW 240V 3PH
  • F074733 MAX 18kW 380V 3PH
  • F074734 MAX 18kW 480V 3PH
  • F074735 MAX 30kW 380V 3PH
  • F074736 MAX 36kW 480V 3PH
  • F078135 240VAC or 480VAC / 30A / 3PH / 50-60Hz (replacing F076753 and F076754) no CE
  • F078252 CONTROL PANEL/NEMA 12/30A/480V/3PH (same as F078135) with CE
  • F078216 CONTROL PANEL/NEMA 12/30A/400V/3PH (replacing F076905)__with CE
  • F078217 CONTROL PANEL/NEMA 12/60A/400V/3PH (replacing F076906)_ with CE
  • F078253 CONTROL PANEL/NEMA 12/60A/480V/3PH (same as F078136) with CE
  • F078136 CONTROL PANEL/NEMA 12/60A/480V/3PH (replacing F076755 and F076756) no CE

Max Ht Heaters

The Max HT provides a compact and efficient high temperature solution for applications up to 1652°F (900°C). A dual probe type K thermocouple with a convenient terminal block is included for ease of wiring. Each exposed thermocouple probe is used to measure inlet and exit air temperature. One is typically used for process temperature control and the other to monitor the high temperature limit. Each heater has a convenient method for mounting and offers a ground stud for safe operation.

MAX HT PRODUCTS
  • F076250 MAX HT 18kW 240V 3PH
  • F076518 MAX HT 18KW 480V 3P
  • F076189 MAX HT 30kW 380V 3PH
  • F076197 MAX HT 36KW 480V 3PH
  • F205773 MAX HT REPL ELE (F076250) 18kW 240V
  • F205772 MAX HT REPL ELE (F076189) 30kW 380V
  • F205713 MAX HT REPL ELE (F076197) 36kW 480V
  • F077081 MAX HT, UL, 18kW, 240V / 3PH
  • F077082 MAX HT, UL, 18kW, 380V / 3PH
  • F077083 MAX HT, UL, 18kW, 480V / 3PH
  • F077084 MAX HT, UL, 30kW, 380V / 3PH
  • F077085 MAX HT, UL, 36kW, 480V / 3PH
  • F206707 MAX HT REPL ELE (F078081) 18KW; 240 / 3PH
  • F206662 MAX HT REPL ELE (F078082) 18KW; 380 / 3PH
  • F206663 MAX HT REPL ELE (F078083) 18KW; 480 / 3PH
  • F206664 MAX HT REPL ELE (F078084) 30KW; 380 / 3PH
  • F206598 MAX HT REPL ELE (F078085) 36KW; 480 / 3PH
  • F078135 240VAC or 480VAC / 30A / 3PH / 50-60Hz (replacing F076753 and F076754) no CE
  • F078252 CONTROL PANEL/NEMA 12/30A/480V/3PH (same as F078135) with CE
  • F078216 CONTROL PANEL/NEMA 12/30A/400V/3PH (replacing F076905)__with CE
  • F078217 CONTROL PANEL/NEMA 12/60A/400V/3PH (replacing F076906)_ with CE
  • F078253 CONTROL PANEL/NEMA 12/60A/480V/3PH (same as F078136) with CE
  • F078136 CONTROL PANEL/NEMA 12/60A/480V/3PH (replacing F076755 and F076756) no CE

Calculators

Power Flow Rate Temp Calculator

Calculate the electrical power, flow rate or temperature requirement.
airflow in standard cubic feet per minute
temperature rise in degrees F from the inlet to the exhaust
Watts = SCFM x ΔT/2.5

Temperature Conversion Calculator

Calculate the electrical power, flow rate or temperature requirement.
°F = ((( °C * 9) / 5 ) + 32)
°C = ((( °F - 32) * 5 ) / 9)

Three-Phase Unit Calculator

Fill in two values to find the 3rd.
W = LC * (V * √2)
V = (W / LC) / √2
LC = W / (V * √2)

Single Phase Unit Calculator

Fill in two values to find the 3rd.
W = LC * V
V = LC * W
LC = W / V

Ohms Law Calculator

Fill in two values to find the other two.

O = V / A

O = V² / W

O = W / A²

V = A * O = A * (V/A)

V = √(W * O)

V = W / A

A = V / O

A = W/ V

A = √(W / O)

W = A * V

W = V² / O

W = A² * O

Heat Transfer Through Convection Calculator

ρ = density (lb/ft3)

V = volume flow rate (ft3/hour)

Cp = specific heat (Btu/lb°F)

Ta-Tb = temperature differential (°F)

Q = ρ x V x Cp x (Ta-Tb)


Fill in four values

ρ = density (lb/ft3)
V = volume flow rate (ft3/hour)
Cp = specific heat (Btu/lb°F)
Ta-Tb = TD (°F)
Q = ρ x V x Cp x (Ta-Tb)

ACFM to SCFM

ACFM = airflow in actual cubic feet per minute

P = gage pressure (psi)

T = gas temperature °R = 460 + °F

SCFM = airflow in standard cubic feet per minute


Find Standard Cubic Feet per Minute based on data from your Actual Cubic Feet per Minute Rotameter

airflow in actual cubic feet per minute
gage pressure (psi)
gas temperature °R = 460 + °F
airflow in standard cubic feet per minute

Standard Flow Rate (SCFM) Calculator

Calculate the SCFM.
Actual cubic feet per minute
Actual pounds per square inch at Gauge
Actual temperature in °F. °R = 460 + °F
CFM * (PSI actual / 14.7psi)*(528°R / T actual)

Pressure Conversion

Fill in one value to calculate the other.
PSI = Bar * 14.504
Bar = PSI / 14.504

Mass Flow to volume Metric Flow

Fill in one value to calculate the other two
kg/h = Kilogram Per Hour (lb/min multiply by 27.216)
Lbs/min = Pounds per minute (kg/h divide by 27.216)
SCFM = Standard cubic feet per minute

Power Flow Rate Temp Calculator

Calculate the electrical power, flow rate or temperature requirement.
airflow in standard cubic feet per minute
temperature rise in degrees F from the inlet to the exhaust
Watts = SCFM x ΔT/2.5

Temperature Conversion Calculator

Calculate the electrical power, flow rate or temperature requirement.
°C = ((( °F - 32) * 5 ) / 9)
°F = ((( °C * 9) / 5 ) + 32)

Three-Phase Unit Calculator

Fill in two values to find the 3rd.
W = LC * (V * √2)
V = (W / LC) / √2
LC = W / (V * √2)

Single Phase Unit Calculator

Fill in two values to find the 3rd.
W = LC * V
V = LC * W
LC = W / V

Ohms Law Calculator

Fill in two values to find the other two.

O = V / A

O = V² / W

O = W / A²

V = A * O = A * (V/A)

V = √(W * O)

V = W / A

A = V / O

A = W/ V

A = √(W / O)

W = A * V

W = V² / O

W = A² * O

Heat Transfer Through Convection Calculator

ρ = density (lb/ft3)

V = volume flow rate (ft3/hour)

Cp = specific heat (Btu/lb°F)

Ta-Tb = temperature differential (°F)

Q = ρ x V x Cp x (Ta-Tb)


Fill in four values

ρ = density (lb/ft3)
V = volume flow rate (ft3/hour)
Cp = specific heat (Btu/lb°F)
Ta-Tb = TD (°F)
Q = ρ x V x Cp x (Ta-Tb)

ACFM to SCFM

ACFM = airflow in actual cubic feet per minute

P = gage pressure (psi)

T = gas temperature °R = 460 + °F

SCFM = airflow in standard cubic feet per minute


Find Standard Cubic Feet per Minute based on data from your Actual Cubic Feet per Minute Rotameter

airflow in actual cubic feet per minute
gage pressure (psi)
gas temperature °R = 460 + °F
airflow in standard cubic feet per minute

Standard Flow Rate (SCFM) Calculator

Calculate the SCFM.
Actual cubic feet per minute
Actual pounds per square inch at Gauge
Actual temperature in °F. °R = 460 + °F
CFM * (PSI actual / 14.7psi)*(528°R / T actual)

Pressure Conversion

Fill in one value to calculate the other.
PSI = Bar * 14.504
Bar = PSI / 14.504

Mass Flow to volume Metric Flow

Fill in one value to calculate the other two
Kg/h = Kilogram Per Hour (lb/min multiply by 27.216)
Lbs/min = Pounds per minute (kg/h divide by 27.216)
SCFM = Standard cubic feet per minute