Minimum Bending Radius Minimum bending radius for all mineral insulated cable heaters is two times the sheath diameter. Power Calculation: The required wattage can be calculated using the following formula: Scroll table to view all Scroll table to view all Scroll table to view all
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Type M: Plain Leads
Standard
M1 – High temperature cement potting with TGGT (Teflon® tape, fiberglass, Teflon® treated fiberglass overbraid) insulated lead wire for 482°F (250°C) and silicone sealed is standard.
Optional
M2 – High temperature epoxy potting rated 450°F (232°C) with PTFE Teflon® lead wire for a better moisture seal.
M3 – High temperature cement potting with MGT (mica tape, Teflon® treated fiberglass overbraid) insulated lead wire for 842°F (450°C) and silicone sealed.
M1 – High temperature cement potting with TGGT (Teflon® tape, fiberglass, Teflon® treated fiberglass overbraid) insulated lead wire for 482°F (250°C) and silicone sealed is standard.
Optional
M2 – High temperature epoxy potting rated 450°F (232°C) with PTFE Teflon® lead wire for a better moisture seal.
M3 – High temperature cement potting with MGT (mica tape, Teflon® treated fiberglass overbraid) insulated lead wire for 842°F (450°C) and silicone sealed.
The heating element wire to lead wire transition is done within the potting adapter. Potting adapter sizes are 5/16″ O.D. × 1-1/2″ long for heater cable diameters 0.188″ and smaller and 1/2″ × 1-1/2″ long for diameters above 0.188″. Other diameters and lengths are available, depending on design parameters.
When the 1/2″ × 1-1/2″ long potting adapter is used for high temperature applications, a special heat sink collar is also used to help keep the transition from overheating.
All transitions use 1150°F (621°C) braze joint between the heating element wire and the flexible lead wire.
Normally the lead wire construction is a fiberglass braided insulation rated to 482°F (250°C). For high temperature applications an MGT (mica, fiberglass, Teflon® impregnation) insulation rated to 842°F (450°C) is used. All thermocouple leads use a fiberglass insulation rated to 900°F (482°C). Lead wires are selected to meet the amperage and temperature requirements of each specific heater.
Temperature at potting adapter should not exceed the specified limits.
Type M: Plain Leads Standard M1 – High temperature cement potting with TGGT (Teflon® tape, fiberglass, Teflon® treated fiberglass overbraid) insulated lead wire for 482°F (250°C) and silicone sealed is standard. Optional M2 – High temperature epoxy potting rated 450°F (232°C) with PTFE Teflon® lead wire for a better moisture seal. M3 – High temperature cement potting with MGT (mica tape, Teflon® treated fiberglass overbraid) insulated lead wire for 842°F (450°C) and silicone sealed. The heating element wire to lead wire transition is done within the potting adapter. Potting adapter sizes are 5/16″ O.D. × 1-1/2″ long for heater cable diameters 0.188″ and smaller and 1/2″ × 1-1/2″ long for diameters above 0.188″. Other diameters and lengths are available, depending on design parameters. When the 1/2″ × 1-1/2″ long potting adapter is used for high temperature applications, a special heat sink collar is also used to help keep the transition from overheating. All transitions use 1150°F (621°C) braze joint between the heating element wire and the flexible lead wire. Normally the lead wire construction is a fiberglass braided insulation rated to 482°F (250°C). For high temperature applications an MGT (mica, fiberglass, Teflon® impregnation) insulation rated to 842°F (450°C) is used. All thermocouple leads use a fiberglass insulation rated to 900°F (482°C). Lead wires are selected to meet the amperage and temperature requirements of each specific heater. Temperature at potting adapter should not exceed the specified limits. Electrical Terminations Lead Wire (w/ & w/out protection)
