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-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 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

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.

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 Heaters

Power Range: 750-3000 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

CAST-X 2000 Circulation Heaters

Power Range: 1 – 5 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

Power Range: 2.4 – 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

Power Range: 2.6 – 27 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: 2.6 – 27 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 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 High Temperature Brochure

CAST-X 2000 High Temperature Circulation Heaters

Power Range: 1.2 – 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 High Temp Brochure

pur-x Circulation Heaters

PUR-X 1000 Circulation Heaters

Power Range: 1.5 – 4.6 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

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

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

PUR-Therm Gas Delivery Heaters

Power Range: 400 – 1500 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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