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cast inline CIRCULATION HEATERS

All circulation heaters from STS feature isolated flow-paths. Several models are ideal for heating flammable media or are appropriate for applications where purity must be maintained.

Cast Inline Circulation Heaters Summary Sheet
Cast Inline for Cryogenic & Industrial Gas Solutions
Cast Inline for Gas & Liquid Heaters for Wafer Processing
Cast Inline for Natural Gas Heating & Vaporizing
Cast Inline Heaters
Inline Heater Application Sheet
Technical Data
CAST-X Circulation Heaters

CAST-X Circulation Heaters

Offered in 6 sizes to 60 kW, CAST-X Heaters feature 316 SST flow-tubes with multiple enclosures & options.

Cast-X High Temp Circulation Heaters

casT-X HIGH TEMPERATURE CIRCULATION HEATERS

With a temperature range to 1112°F (600°C), our CAST-X High Temp Circ. Heaters feature bronze bodies.

PUR X CIRCULATION HEATERS

PUR-X CIRCULATION HEATERS

Perfect for heating caustic solvents or semi gases, PUR-X Heaters feature replaceable PFA flow-tubes.

Specialty Circulation Heaters

SPECIALTY CIRCULATION HEATERS

The Universal Solvent Heater and PUR-Therm Gas Delivery Heater meet specialized semi applications.

Circulation heater with Stainless Steel Tubes

CAST-X 500 Circulation Heaters

Power Range:
300 – 1500 Watts		 Max Pressure:
5100 psi (351 bar)
Flow-Tube:
OD: .250” (1/4″) (6.3 mm) Wall: .035” (.89 mm) Seamless Stainless Steel (316L grade)		 Enclosures and Max Temps.:
No Enclosure392°F (200°C)
NEMA 1 (general purpose)250°F (121°C)
NEMA 4 (water resistant)250°F (121°C)
NEMA 7 (explosion proof)392°F (200°C)
No. of Tubes:
1 Tube		 Download Cast-X 500 Brochure
  Download STEP Cast-X 500 Drawing

 

Cast-X 1000 Circulation Heater

CAST-X 1000 Circulation Heaters

Power Range:
700-3000 Watts		 Max Pressure:
2100 psi (144 bar)
Flow-Tube:
OD: .313” (5/16″) (7.9 mm) Wall: .020” (1.7 mm) Seamless Stainless Steel (316L grade)		 Enclosures and Max Temps.:
No Enclosure662°F (350°C)
NEMA 1 (water resistant)608°F (320°C)
NEMA 1 with thermostat250°F (121°C)
NEMA 4 (water resistant)777°F (555°C)
NEMA 4 with thermostat250°F (121°C)
No. of Tubes:
1 Tube

Download Cast-X 1000 Brochure

Download STEP Cast-X 1000 Drawing

 

CAST-X 2000

CAST-X 2000 Circulation Heaters

Power Range:
1 – 6 kW		 Max Pressure:
5100 psi (351 bar)
Flow-Tube:
OD: .50” (1/2″) (12.7 mm) Wall: .065” (1.7 mm) Seamless Stainless Steel (316L grade)		 Enclosures and Max Temps.:
NEMA 1 (general purpose)482°F (250°C)
NEMA 1 with standoff662°F (350°C)
NEMA 1 with thermostat250°F (121°C)
NEMA 4 (water resistant)350°F (175°C)
NEMA 4 with standoff662°F (350°C)
NEMA 7 (explosion proof)482°F (250°C)
No. of Tubes:
1 Tube		 Download Cast-X 2000 Brochure

 

CAST-X 2500 Circulation Heaters

CAST-X 2500 Circulation Heaters

Power Range:
2.5 – 15 kW		 Max Pressure:
4000 psi (275 bar)
Flow-Tube:
OD: .625” (5/8″) (15.9 mm) Wall: .065” (1.7 mm) Seamless Stainless Steel (316L grade)		 Enclosures and Max Temps.:
NEMA 1 (general purpose) 662°F (350°C)
NEMA 4 (water resistant)572°F (300°C)
NEMA 7 (explosion proof)482°F (250°C)
ATEX (explosion proof)482°F (250°
No. of Tubes:
2 Standard, 1 as Custom		 Download Cast-X 2500 Brochure

 

CAST-X 3000 Circulation Heaters

CAST-X 3000 Circulation Heaters

Power Range:
1 – 24.6 kW		 Max Pressure:
3300 psi (228 bar)
Flow-Tube:
OD: .750” (3/4″) (19.1 mm) Wall: .065” (1.7 mm) Seamless Stainless Steel (316L grade)		 Enclosures and Max Temps.:
NEMA 4 (water resistant)572°F (300°C)
NEMA 7 / ATEX (explosion proof)482°F (250°C)
No. of Tubes:
2 Standard, 1 as Custom		 Download Cast-X 3000 Brochure

 

Circulation Heaters for Natural Gas Heating

CAST-X 4000 Circulation Heaters

Power Range:
12.5 – 60 kW		 Max Pressure:
3100 psi (214 bar)
Flow-Tube:
OD: .750” (3/4″) (19.1 mm) Wall: .065” (1.7 mm) Seamless Stainless Steel (316L grade)		 Enclosures and Max Temps.:
NEMA 4 (water resistant)572°F (300°C)
NEMA 7 / ATEX (explosion proof)482°F (250°C)
No. of Tubes:
2 Standard, 1 as Custom		 Download Cast-X 4000 Brochure

 

CAST-X High Temperature Circulation Heaters

CAST-X High Temperature Circulation Heaters

CAST-X 500 High Temperature Circulation Heaters

Power Range:
565 – 1500 Watts		 Max Pressure:
10700 psi (737 bar)
Flow-Tube:
OD: .250” (1/4″) (6.3 mm) Wall: .035” (.89 mm) Seamless Stainless Steel (316L grade)		 Enclosures and Max Temps.:
No Enclosure 1112°F (600°C)
NEMA 7 (explosion proof)1112°F (600°C)
No. of Tubes:
1 Tube

Download Cast-X 500 Brochure

Download High Temperature Brochure

 

CAST-X High Temperature Circulation Heaters

CAST-X 2000 High Temperature Circulation Heaters

Power Range:
1 – 6 kW		 Max Pressure:
6800 psi (468 bar)
Flow-Tube:
OD: .50” (1/2″) (12.7 mm) Wall: .065” (.89 mm) Seamless Stainless Steel (316L grade)		 Enclosures and Max Temps.:
NEMA 4 (water resistant)1112°F (600°C)
NEMA 7 (explosion proof)1112°F (600°C)
No. of Tubes:
1 Tube

 

Download Cast-X 2000 Brochure

Download High Temp Brochure

 

pur-x Circulation Heaters

pur-x 1000 circulation heaters

PUR-X 1000 Circulation Heaters

Power Range:
1.5 – 4.5 kW		 Max Pressure:
70 psi (5 bar)
Flow-Tube:
OD: .375” (3/8″) (9.52 mm) Wall: .031” (.80 mm) PFA (PerFluoroAlkoxy)		 Enclosures and Max Temps.:
NEMA 7 (explosion proof)392°F (200°C)
No. of Tubes:
1 Tube		 Download Pur-X 1000 Brochure

 

Pur-X 2000 Circulation Heaters

PUR-X 2000 Circulation Heaters

Power Range:
5 – 7.9 kW		 Max Pressure:
70 psi (5 bar)
Flow-Tube:
OD: .375” (3/8″) (9.52 mm) Wall: .031” (.80 mm) PFA (PerFluoroAlkoxy)		 Enclosures and Max Temps.:
NEMA 7 (explosion proof)392°F (200°C)
No. of Tubes:
1 Tube		 Download Pur-X 2000 Brochure

 

Universal Solvent Heater

Universal Solvent Heater

universal solvent heater

Power Range:
6 – 8 kW		 Max Pressure:
Solvent Tube: 3300 psi (228 bar)
Cooling Tube: 5100 psi (351 bar)

Flow-Tube:
OD: .750” (3/4″) (19.1 mm) Wall: .065” (1.7 mm) (Seamless 316 SST)

Cooling-Tube:
OD: .250” (1/4″) (6.3 mm) Wall: .035” (0.9 mm) (Seamless 316 SST)

 Enclosures and Max Temps.:
NEMA 7 (explosion proof)392°F (200°C)
No. of Tubes:
1 Flowtube, 1 Cooling Tube		 Download Universal Solvent Brochure

 

pur-therm gas delivery heaters

Gas Delivery Heater

PUR-Therm Gas Delivery Heaters

Power Range:
130- 1330 Watts		 Max Pressure:
5100 psi (351 bar)
Flow-Tube:
OD: .250” (1/4″) (6.3 mm) Wall: .035” (.89 mm) High-Purity Electropolished Seamless Stainless Steel (316L grade)		 Enclosures and Max Temps.:
Standard Max: 392°F (200°C)
No. of Tubes:
1 Tube with VCR Fittings		 Download Pur-Therm Brochure

 

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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 converter for different voltage

Power converter for different voltage
Original voltage in volts (V)
Original power in watts (W)
new voltage in volts (V)
New Power = (New Voltage × Original Power) / Original Voltage

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

Power converter for different voltage

Power converter for different voltage
Original voltage in volts (V)
Original power in watts (W)
new voltage in volts (V)
New Power = (New Voltage × Original Power) / Original Voltage