CAST-X 2500 Circulation Heater

The CAST-X 2500 is our most compact dual-tube model, a powerful and versatile mid-sized heater

These CAST-X in line heaters are manufactured to safely heat flammable gases and explosive liquids.

APPLICATIONS:

  • Natural Gas Regeneration & Fuel Conditioning
  • Paint, Solvent & Petrochem Heating
  • For Use in Temperature Control Units (TCUs)
  • Beverage Processing & Pasteurization
  • Industrial Gas Heating & Air Separation
  • Urethane / Foam System Heating

FEATURES & BENEFITS:

  • Fluid Path has No Contact with Heating Elements
  • Heated Media is Isolated in Seamless 316 Stainless Steel Tubes
  • Allows for Safe Heating of Explosive Gases & Flammable Liquids
  • Excellent Performance in High-Pressure Applications
  • Suitable for Use with Sterile and Zero Contaminant Processes
  • Compatible with Standard Controls (PID, PLC, Multi-Loop, etc.)
  • Small Size Enables Easy Integration into Larger Machines
  • Self-Draining Flow-Tubes, and Long-Life Heating Elements

SPECIFICATIONS:

Power:

  • 2.5 kW Total to 15 kW Total
  • Voltage Range: 208 - 575V
  • Max Line Current: 30 A per circuit

Tubing:

  • .625” OD (5/8") (15.9 mm)
  • .065” Wall (1.7 mm)
  • Overall Process Tube Length: 130” (3302 mm) each
  • 316L Stainless Steel (standard)
  • Inconel (optional upgrade)
  • Passivated or Electro-Polished (optional upgrades)
    Max Pressure: 4000 psi (275 bar)

Enclosures:

  • NEMA 1 (general-purpose/dust-proof)
  • NEMA 4 (moisture-resistant)
  • NEMA 7 (explosion-proof)
  • ATEX (explosion-proof)

Max Working Temperatures:

  • NEMA 1 (dust-proof/general-purpose): 662°F (350°C)
  • NEMA 4 (moisture-resistant): 572°F (300°C)
  • NEMA 7 (explosion-proof): 482°F (250°C)
  • ATEX (explosion-proof): 482°F (250°C)
  • Published temperatures are for housing at 12 o’clock position;
    Higher temps may be possible at 6 o’clock position. See factory for details.

Sensors & Controls:

  • K or J Type Thermocouples
  • Resistance Temperature Detectors (RTDs)
  • Snap-Action High-Limit Switches
  • Enclosure-Mounted Thermostats

Available Accessories:

  • Insulating Jackets
  • Compression Fittings

Download the
CAST-X 2500
Technical Brochure

Temperature and Pressure Charts

previous arrow
next arrow

Dimensional Drawings

Wiring Diagrams

Detailed Images

CAST-X 2500 Circulation Heater Part Numbering System

This is the part numbering configuration key for CAST-X 2500 in line heaters, used for ordering product online.

Building a CAST-X 2500 Part Number:
Use the tables below to build each section of your CAST-X 2500.  After assigning letters/numbers for each applicable section, you will have a complete part number, ready to quote.
For assistance, contact CAS directly.

VOLTAGE, POWER, CIRCUIT TYPE
Volts refers to line volts (VL). Amps refers to line current (IL).
Section
“AAA”
Circuit Type Volts (V) Watts (kW) Amps (A)
(per circuit)
012 THREE-PHASE
WYE
480 N/A
415 14.8 20.7
400 13.8 19.9
380 12.4 18.9
240 5 12
208 3.7 10.4
480 15 18
021 THREE-PHASE DELTA 415 11.2 15.6
400 10.4 15
380 9.4 14.3
240 3.7 9
208 2.8 7.8
575 7.2 7.2
022 THREE-PHASE
WYE
480 5 6
415 3.7 5.2
400 3.4 5
380 3.1 4.8
240 1.2 3
230 1.1 2.9
220 1 2
208 0.9 2.6
023 SINGLE PHASE 415 11.2 27
400 10.4 26
380 9.4 24.7
240 3.7 15.6
230 3.4 15
208 2.8 13.5
031 THREE-PHASE DELTA 240 7.2 17.3
208 5.4 15
032 THREE-PHASE
WYE
480 9.6 11.6
415 7.2 10
400 6.7 9.6
380 6 9.1
240 2.4 5.8
240 7.2 30
033 SINGLE PHASE 230 6.6 28.8
208 5.4 26
041 THREE-PHASE DELTA 240 10.7 25.7
208 8 22.2
042 THREE-PHASE
WYE
480 14.2 17.1
415 10.6 14.8
400 9.9 14.3
380 8.9 13.5
240 3.6 8.6
208 2.7 7.4
415 12 16.6
051 THREE-PHASE DELTA 400 11.1 16
380 10 15.2
240 4 9.6
208 3 8.3
575 7.6 7.7
052 THREE-PHASE
WYE
480 5.3 6.4
415 4 5.6
400 3.7 5.4
380 3.3 5.1
240 1.3 3.2
230 1.2 3.1
220 1.1 2.9
208 1 2.8
053 SINGLE PHASE 415 12 28.8
400 11.1 27.8
380 10 26.4
347 8.3 24.1
240 4 16.7
230 3.6 16
208 3 14.4
480 4 4.8
061 THREE-PHASE DELTA 415 3 4.2
400 2.8 4
380 2.5 3.8
240 1 2.4
230 0.9 2.3
220 0.8 2.2
208 0.7 2.1
480 4 8.3
063 SINGLE PHASE 415 3 7.2
400 2.8 6.9
380 2.5 6.6
347 2.1 6
240 1 4.2
230 0.9 4
220 0.8 3.8
208 0.7 3.6
ENCLOSURE AND THERMOSTAT
The first digit corresponds to the following: 1. Standoff mounting required 2. Pipe nipple mounting required
Designation "BB"ThermostatEnclosure
11NO THERMOSTATNEMA 1
12NO THERMOSTATNEMA 4
21NO THERMOSTATNEMA 7
2232° - 250°F (0° - 121°C) THERMOSTATNEMA 7
230° - 100°F (-17° - 38°C) THERMOSTATNEMA 7
24NO THERMOSTATATEX
25DOUBLE POLE SINGLE THROW (DPST) THERMOSTATATEX
SNAP ACTION HIGH LIMITS SWITCHES
Only heaters with NEMA 7 or ATEX enclosures can accommodate high limit switches. NEMA 1 and NEMA 4 cannot.
Designation "C" Switch
0 NONE
1 AUTO RESET, 200°F (93°C)
2 AUTO RESET, 250°F (121°C)
3 AUTO RESET, 425°F (218°C)
4 AUTO RESET, 500°F (260°C)
5 MANUAL RESET, 260°F (126°C)
6 MANUAL RESET, 185°F (85°C)
7 MANUAL RESET, 150°F (65°C)
8 MANUAL RESET, 260°F (126°C) WITH TEFLON LEADS
TEMPERATURE SENSORS
All thermocouples are ungrounded, for optimal performance.
Please select 2 digits.
Designation "DD" Description
0 NONE
1 SINGLE J-TYPE THERMOCOUPLE IN THERMOWELL
2 DUAL J-TYPE THERMOCOUPLE IN THERMOWELL
3 SINGLE K-TYPE THERMOCOUPLE IN THERMOWELL
4 DUAL K-TYPE THERMOCOUPLE IN THERMOWELL
5 RTD, SINGLE, 3 WIRE, 100 OHM
NOTE: The PN has two "D" designations (because the unit has two thermowells), so your response requires 2 digits.
Always put the lowest designation number first in the part number to avoid duplicate configurations.
e.g. BX25-xxx-xx-x 1 2 x instead of BX25-xxx-xx-x 2 1 x
TUBING
Option 1 is the standard option (dual 316L SS)
Designation "E" Tube Description Number
of Tubes
1 5/8" (15.9 mm) OD X .065" (1.65 mm) WALL, 316L SS EAMLESS (STANDARD OPTION) 2
2 5/8" (15.9 mm) OD X .065" (1.65 mm) WALL, 316L SS SEAMLESS, ELECTROPOLISHED 2
3 5/8" (15.9 mm) OD X .065" (1.65 mm) WALL, 316L SS SEAMLESS, PASSIVATED 2
4 5/8" (15.9 mm) OD X .065" (1.65 mm) WALL, 316L SS SEAMLESS 1
5 5/8" (15.9 mm) OD X .065" (1.65 mm) WALL, 316L SS SEAMLESS, ELECTROPOLISHED 1
6 5/8" (15.9 mm) OD X .065" (1.65 mm) WALL, 316L S.S. SEAMLESS, PASSIVATED 1
MACHINING
Please select Imperial or Metric Tapped Mounting Holes
Designation "F" Mounting Hole Description
1 STANDARD 3/8"-16 MOUNTING HOLES
2 STANDARD M10 X 1.5 MOUNTING HOLES
ACCESSORIES
These PNs are totally separate from the PNs for the heater
Part Number Description
274-55-6-8 TUBE UNION COMPRESSION FITTING (5/8” / .625 INCH) / PAIR (SHIPPED LOOSE)
307-0-22-1 INSULATING JACKET: TEMP. LIMIT: 986°F (530°C)
CUSTOM DESIGNS & COMPONENTS
For these options, please call a CAS Representative for a quote.
INCONEL, MONEL OR HASTELLOY TUBES
THICK WALL TUBES FOR HIGH PRESSURE APPLICATIONS
SPECIAL TUBE FITTINGS