Tubular Nozzle Band heaters are recommended for heating applications where premature nozzle band heater burn-out on plastic injection molding machines is a constant problem due to contamination from plastic overflow or contaminants. Incoloy® 840 sheath .315 diameter tubular heating element is used as the heat source. It is formed to the specified inside diameter to produce a snug, slip-on fit. A low thermal expansion alloy is used to make the strap that houses the tubular heating element. The strap edges are rolled over the element to prevent the strap from separating from the tubular heater. Specially designed mounting brackets provide the clamping force required to tightly draw the tubular heater against the cylinder.
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Incoloy 840
Nickel 18-20%, Chromium 18-22%, Iron balance. Has about 10% less nickel than Incoloy 800. Used in many air heating applications, where it has exhibited superior oxidation resistance at less cost than Incoloy 800.
Nickel 18-20%, Chromium 18-22%, Iron balance. Has about 10% less nickel than Incoloy 800. Used in many air heating applications, where it has exhibited superior oxidation resistance at less cost than Incoloy 800.
Electrical Terminations
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Type C3: Single Armor Cable Out Top
Armor Cable provides excellent protection against abrasion and contaminants. The cable exits through an adapter that encapsulates both tubular heater ends. The adapter tube is tack welded to the heating element and the cable is crimped to the adapter for maximum security and seal protection. for maximum security and seal protection. 20″ of cable and 24″ flexible leads are standard.
Armor Cable provides excellent protection against abrasion and contaminants. The cable exits through an adapter that encapsulates both tubular heater ends. The adapter tube is tack welded to the heating element and the cable is crimped to the adapter for maximum security and seal protection. for maximum security and seal protection. 20″ of cable and 24″ flexible leads are standard.
Type C3A – Galvanized Armor Cable
Type C3B – Stainless Steel Armor Cable
Options: Male or female plugs attached to leads.
Type W3: Wire Braid Leads
Wire Braid provides strength and protection to the lead wire insulation, offering sharp bending not possible with armor cable. 20″ of wire braid and 24″ flexible leads are standard.
Wire Braid provides strength and protection to the lead wire insulation, offering sharp bending not possible with armor cable. 20″ of wire braid and 24″ flexible leads are standard.
Options:
Longer leads or braid
Male or female plugs attached to leads.
Type T1: Screw Terminals
Screw Terminals will provide a rigid connection when it is required. Standard thread size is 8-32. If another type is required, specify when ordering. You should make special arrangements to properly insulate the electrical connections.
Screw Terminals will provide a rigid connection when it is required. Standard thread size is 8-32. If another type is required, specify when ordering. You should make special arrangements to properly insulate the electrical connections.
Type C1: Single Armor Cable
Armor Cable provides excellent protection against abrasion and contaminants. The cable exits through an adapter that encapsulates both tubular heater ends. The adapter tube is tack welded to the heating element and the cable is crimped to the adapter for maximum security and seal protection. 20″ of cable and 24″ flexible leads are standard.
Armor Cable provides excellent protection against abrasion and contaminants. The cable exits through an adapter that encapsulates both tubular heater ends. The adapter tube is tack welded to the heating element and the cable is crimped to the adapter for maximum security and seal protection. 20″ of cable and 24″ flexible leads are standard.
Type C1A – Galvanized Armor Cable
Type C1B – Stainless Steel Armor Cable
Options: Male or female plugs attached to leads.
Type C2: Individual Armor Cable
Armor Cable provides excellent protection against abrasion and contaminants. The cable is securely fastened individually to the tubular heater ends, allowing more flexibility for electrical wiring connections. 20″ of cable and 24″ flexible leads are standard.
Armor Cable provides excellent protection against abrasion and contaminants. The cable is securely fastened individually to the tubular heater ends, allowing more flexibility for electrical wiring connections. 20″ of cable and 24″ flexible leads are standard.
Type W3: Wire Braid Leads Wire Braid provides strength and protection to the lead wire insulation, offering sharp bending not possible with armor cable. 20″ of wire braid and 24″ flexible leads are standard. Options: Longer leads or braid Male or female plugs attached to leads. Electrical Terminations Incoloy® Sheath Materials Wire Braids Type T1: Screw Terminals Screw Terminals will provide a rigid connection when it is required. Standard thread size is 8-32. If another type is required, specify when ordering. You should make special arrangements to properly insulate the electrical connections. Screw Terminals Type C3: Single Armor Cable Out Top Armor Cable provides excellent protection against abrasion and contaminants. The cable exits through an adapter that encapsulates both tubular heater ends. The adapter tube is tack welded to the heating element and the cable is crimped to the adapter for maximum security and seal protection. for maximum security and seal protection. 20″ of cable and 24″ flexible leads are standard. Type C3A – Galvanized Armor Cable Type C3B – Stainless Steel Armor Cable Options: Male or female plugs attached to leads. Armor Cable Type C1: Single Armor Cable Armor Cable provides excellent protection against abrasion and contaminants. The cable exits through an adapter that encapsulates both tubular heater ends. The adapter tube is tack welded to the heating element and the cable is crimped to the adapter for maximum security and seal protection. 20″ of cable and 24″ flexible leads are standard. Type C1A – Galvanized Armor Cable Type C1B – Stainless Steel Armor Cable Options: Male or female plugs attached to leads. Type C2: Individual Armor Cable Armor Cable provides excellent protection against abrasion and contaminants. The cable is securely fastened individually to the tubular heater ends, allowing more flexibility for electrical wiring connections. 20″ of cable and 24″ flexible leads are standard. Type C2A – Galvanized Armor Cable Type C2B – Stainless Steel Armor Cable Incoloy 840 Nickel 18-20%, Chromium 18-22%, Iron balance. Has about 10% less nickel than Incoloy 800. Used in many air heating applications, where it has exhibited superior oxidation resistance at less cost than Incoloy 800.
