Circulation Heater Summary Page
All circulation heaters from Cast Aluminum Solutions feature isolated flow-paths. Several models are ideal for heating flammable media or are appropriate for applications where purity must be maintained.

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

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

Specialty Circulation Heaters
The Universal Solvent Heater and PUR-Therm Gas Delivery Heater meet specialized semi applications.
CAST-X Circulation Heaters

Power Ranges for CAST-X Circulation Heaters

Important Features of CAST-X Circulation Heaters

CAST-X 500 Circulation Heaters
Power Range:
300 - 1500 Watts
Flow-Tube:
OD: .250” (1/4") (6.3 mm) Wall: .035” (.89 mm) Seamless Stainless Steel (316L grade)
No. of Tubes:
1 Tube
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)
Max Pressure:
5100 psi (351 bar)

CAST-X 1000 Circulation Heaters
Power Range:
750 - 3000 Watts
Flow-Tube:
OD: .313” (5/16") (7.9 mm) Wall: .020” (1.7 mm) Seamless Stainless Steel (316L grade)
No. of Tubes:
1 Tube
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)
Max Pressure:
2100 psi (144 bar)

CAST-X 2000 Circulation Heaters
Power Range:
1 - 5 kW
Flow-Tube:
OD: .50” (1/2") (12.7 mm) Wall: .065” (1.7 mm) Seamless Stainless Steel (316L grade)
No. of Tubes:
1 Tube
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)
Max Pressure:
5100 psi (351 bar)

CAST-X 2500 Circulation Heaters
Power Range:
2.4 - 15 kW
Flow-Tube:
OD: .625” (5/8") (15.9 mm) Wall: .065” (1.7 mm) Seamless Stainless Steel (316L grade)
No. of Tubes:
2 Standard, 1 as Custom
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°C)
Max Pressure:
4000 psi (275 bar)

CAST-X 3000 Circulation Heaters
Power Range:
2.6 - 27 kW
Flow-Tube:
OD: .750” (3/4") (19.1 mm) Wall: .065” (1.7 mm) Seamless Stainless Steel (316L grade)
No. of Tubes:
2 Standard, 1 as Custom
Enclosures and Max Temps.:
NEMA 4 (water resistant)572°F (300°C)
NEMA 7 / ATEX (explosion proof)482°F (250°C)
Max Pressure:
3300 psi (228 bar)

CAST-X 4000 Circulation Heaters
Power Range:
6.7 - 60.3 kW
Flow-Tube:
OD: .1” (25.4 mm) Wall: .083” (2.1 mm) Seamless Stainless Steel (316L grade)
No. of Tubes:
2 Standard, 1 as Custom
Enclosures and Max Temps.:
NEMA 4 (water resistant)572°F (300°C)
NEMA 7 / ATEX (explosion proof)662°F (350°C)
Max Pressure:
3100 psi (214 bar)
CAST-X High Temperature Circulation Heaters

CAST-X 500 High Temperature Circulation Heaters
Power Range:
565 - 1500 Watts
Flow-Tube:
OD: .250” (1/4") (6.3 mm) Wall: .035” (.89 mm) Seamless Stainless Steel (316L grade)
No. of Tubes:
1 Tube
Enclosures and Max Temps.:
No Enclosure 1112°F (600°C)
NEMA 7 (explosion proof)1112°F (600°C)
Max Pressure:
10700 psi (737 bar)

CAST-X 2000 High Temperature Circulation Heaters
Power Range:
1.2 - 6 kW
Flow-Tube:
OD: .50” (1/2") (12.7 mm) Wall: .065” (.89 mm) Seamless Stainless Steel (316L grade)
No. of Tubes:
1 Tube
Enclosures and Max Temps.:
NEMA 4 (water resistant)1112°F (600°C)
NEMA 7 (explosion proof)1112°F (600°C)
Max Pressure:
6800 psi (468 bar)
PUR-X Circulation Heaters

PUR-X 1000 Circulation Heaters
Power Range:
1.5 - 4.6 kW
Flow-Tube:
OD: .375” (3/8") (9.52 mm) Wall: .031” (.80 mm) PFA (PerFluoroAlkoxy)
No. of Tubes:
1 Tube
Enclosures and Max Temps.:
NEMA 7 (explosion proof)392°F (200°C)
Max Pressure:
70 psi (5 bar)

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

Universal Solvent Heater
Power Range:
6 - 8 kW
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)
No. of Tubes:
1 Flowtube, 1 Cooling Tube
Enclosures and Max Temps.:
NEMA 7 (explosion proof)392°F (200°C)
Max Pressure:
Solvent Tube: 3300 psi (228 bar)
Cooling Tube: 5100 psi (351 bar)
PUR-Therm Gas Delivery Heater

PUR-Therm Gas Delivery Heaters
Power Range:
400 - 1500 Watts
Flow-Tube:
OD: .250” (1/4") (6.3 mm) Wall: .035” (.89 mm) High-Purity Electropolished Seamless Stainless Steel (316L grade)
No. of Tubes:
1 Tube with VCR Fittings
Max Temps.:
Standard Max: 392°F (200°C)
Max Pressure:
5100 psi (351 bar)