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Ogden Chromalox Mica Band Heaters
Ogden / Chromalox


Ogden Mica Band Heaters A mica core produces a thin, efficient heater. Heat from the precisely wound Nichrome element is quickly transferred to the working surface for fast heat-up and response. Mica provides excellent dielectric strength and heat transfer capability for long heater life. The mica core is encased in a continuous corrosion resistant sheath and formed. All full mica band heaters are designed with closed ends to protect against contamination. Maximum sheath temperature is 800° F.

Ordering Information:

Additional Variations

  • Catalog number if available
  • Inside diameter x width
  • Watts and Volts
  • If 2 piece, watts and volts each half
  • Termination Type
  • Modifications or options
  • Sketch or drawing if necessary
  • Three terminal or lead, dual voltage, three phase or ground
  • Appliance pin terminals
  • Full length fiberglass sleeving
  • Rectangular or segment band heaters­provide drawing
  • Outside diameter design for internally heating cylinder
  • Stainless steel or Monel sheath for use in corrosive atmosphere
  • Metric Sizes
Leads Wires:
Fig.1 Fig. 1: Usual design for nozzle heating applications. 12" leads are standard.
Fig.3 Fig. 3: Single conductor metal braid over lead wire. Offers most practical solution to abrasion problem. 12" braid with 14" overall length leads are standard.
Fig.4 Fig. 4: Standard lead wires exiting 180° from gap.
Fig.5 Fig. 5: Leads exit at right angle to sheath 5/8" from gap. 12" lead wire in 3" long sleeving is standard. Specify alternate position.
Fig.6 Fig. 6: Flexible armor cable is the best solution to lead abrasion problems. 12" armor with 14" overall length leads are standard. Specify alternate position.
Fig.7 Fig. 7: Double conductor metal braid exiting from edge 180° from gap.
Fig.16 Fig. 16: Double conductor metal braid over lead wires at same position as Fig. 5. 12" braid with 14" overall length leads are standard. Specify alternate position.
Terminal Box Cover: 2" H x1-1/2" W x 2" L. Also available in a 2-1/4" H x 2-1/16" W x 4-1/2" L terminal box for larger clearance to terminals.
Ceramic Terminal Cover: 7/8" high x 3/4" O.D. for 10-24 thread. (PC4379-2; PC4380-1)
Screw Terminals:

Fig. T1

Fig. T1: Standard position under 2-1/2" wide.

Fig. T2

Fig. T2: Standard position over 2-1/2"wide.

Fig. T3

Fig. T3: Standard with terminal box.

Fig. B1

Fig. B1 (shown) B2, B3: 10-32 thread requires 1/2" clearance from cylinder.
  Special Features:
Fig.12 Fig. 12: Hinged Half-Band- convenient where two piece heaters are required. Shown with Fig. 8 mounting flange and T2 screw terminals. Available with any termination or mounting arrangement.
Fig. 14 Fig. 14: Half Band-eases installation in difficult situations. Shown with T1 Terminals and Fig. 10 by-pass straps. Available with any termination or mounting arrangement
Fig.15 Fig. 15: Probe holes and cut-outs-specify location in degrees from center of gap and size or provide drawing. Often a larger gap (standard gap is 1/4" - 1") will serve the same purpose.
Fig.17 Fig. 17: Splitcase-Allows heater to be opened one time for mounting. Available with any termination or mounting arrangement.
Fig.9 Fig. 9 Strap-made from a low expansion alloy to tighten around the whole circumference of the heater.
Low Profile: H = 1/4", 1/2" wide (Supplied on 3" I.D. and less). Standard Profile: H = 3/8", 5/8" wide (supplied on 3-1/8" I.D. and larger). Also available with hose clamp or punch lock strap.
Fig.8 Fig. 8 Mounting Flange-a secondary means for mounting where a built-in method is preferred.
Fig.10 Fig. 10 By-Pass Strap-Supplied on less than 2" wide with terminals or Figures 5, 6 or 16.
Fig.11 Fig. 11 Wedge Mount-for applications where an extremely low profile is required or where access is limited. Available with Figures 1, 3, 4, 5, 7 and 16 leads.
Fig.18 Fig. 18: Low Profile Barrel Nut Assembly Welded to Sheath
Fig.19 Fig. 19: Standard Profile Barrel Nut Assembly Welded to Sheath
Fig.20 Fig. 20: 1-1/4" Wide Barrel Assembly Welded to Sheath
Fig.21 Fig. 21 Quick Release Assembly with Spring Loaded Screw ­ Assembly Welded to Sheath
Euro Plugs Fig. 110: Dim: 3-1/2" H x 1-5/16" L x 2-15/16"
Fig. 115: Dim: 1-3/8" H x 3-7/16" L x 1-7/8" W
Fig. GQ8: Receptacle (PC4396-3)
US Plug Fig. 7P: Plug can be attached to any lead configuration.
PDF File Mica Band Catalog Sheet

Band - Mica

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