Watlow Mineral Insulated Band Heaters

Sords Electric Sells Barrel and Band Heaters from Watlow

Mineral Insulated (MI) Band/Barrel Heaters

The MI band heater from Watlow® is a high-performance heater. The band heater's performance and name are derived from Watlow's exclusive mineral insulation—a material with much higher thermal conductivity than mica and hard ceramic insulators used in conventional heaters. A thin layer of the “high” thermally conductive MI material is used to electrically insulate the element wire from the inside diameter of the heater sheath. A thicker, “low” thermally conductive layer backs up the element wire directing the heat inward toward the part being heated. 

High thermal conductivity of MI and low mass construction provides rapid response to temperature control and avoids thermal lag.

Operating temperatures up to 1400°F (760°C) allows safe melting of resins such as PEEK™, Teflon®, Ultem® and Zytel®

Higher watt densities contribute to faster heat-up and throughput for increased productivity

Stainless steel cover and side fold design resists contamination from overflow of plastic or other free-flowing materials

Attached clamp bars eliminates cumbersome clamping straps, making installation easier

Applications and Technical Data 

General Limitations 

• Maximum width of 1 in. (25 mm) diameter heater is 11/2 in. wide (38 mm) 

• Maximum heater width: 2x heater diameter 

• Minimum I.D. for Type B, C, E and H leads: 1 in. (25 mm) 

• Minimum I.D. for Type B—90° leads: 11/8 in. (29 mm) 

• Maximum lead amperes: 12.5A per pair 

• SLE maximum: 17.0A 

• Maximum amperes (post terminals): 30A per pair 

• Minimum diameter and width for SLE: 4 in. x 11/2 in. (102 x 38 mm) width 

• 90° leads not available over 250VAC 

• Minimum I.D. for post terminals: 11/4 in. (32 mm) 

Gaps 

• ≤ 3 in. = 1/8 in. nominal 

• 3 in. ≤ 6 in. = 1/4 in. nominal ±1/8 in. 

• 6 in. ≤14 in. = 3/8 in. nominal ±1/8 in. 

• >14 in. = 1/2 in. nominal ±1/4 in. 

Use our Contact Form HERE to get a quote on Watlow Band /BarrelHeaters

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Use our Contact Form HERE to get a quote on Watlow Band /Barrel Heaters

Sords Electric
216-765-4230
www.sordselectric.com

Band Heaters and Barrel Heaters from Watlow 

Watlow Nozzle Heaters

Sords Electric Sells Watlow Mineral Insulated Nozzle Heaters

Use our Contact Form HERE to get a quote on Watlow Nozzle Heaters

Mineral Insulated Nozzle Heaters

The MI nozzle heater from Watlow is a high-performance heater. The nozzle heater's performance and name are derived from Watlow's exclusive mineral insulation—a material with a much higher thermal conductivity than mica and hard ceramic insulators used in conventional heaters.

A thin layer of the “high” thermal conductive MI material is used to electrically insulate the element wire from the inside diameter of the heater sheath. A thicker, “low” thermal conductivity layer backs up the element wire, directing the heat inward toward the heated part. The result is more efficient heat transfer—a performance solution lowering element wire temperatures and increasing heater life.

Performance Capabilities

• Heater operating temperatures up to 1400°F (760°C)

• Watt densities up to 230 W/in2 (35.6 W/cm2) are

   available on small diameter nozzle

• Maximum voltage up to 240V

Operating temperatures to 1400°F (760°C) safely melts resins such as PEEK®, Teflon®, Ultem® and Zytel®

Higher watt densities contribute to faster heat-up and throughput for increased productivity

High thermal conductivity of MI and low mass construction provides an almost instant response to temperature control

Stainless steel cover and side fold design resists contamination by overflow of plastic or other free-flowing materials

Permanently attached clamp bars eliminate cumbersome clamping straps for easier installation

Typical Applications

• Extruders

• Blown film dies

• Injection molding machines

• Other cylinder heating applications

Watlow nozzle Heater Part Numbers.

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Use our Contact Form HERE to get a quote on Watlow Nozzle Heaters

Sords Electric
216-765-4230
www.sordselectric.com

Watlow Nozzle Heaters for Industrial Uses

TriVolt Standard Band Heaters PWB Series

Sords Electric Sells TriVolt Band Heaters - Standard Power Bands

The Power Band Heater by Tri-Volt - 

Contact Sords Electric HERE

Purchase HERE

The TriVolt power band heaters can operate at sheath temperatures of up to 1300º F continuously depending on the diameter, width and application. The interior of the TriVolt Power Band heater are manufactured with ceramic tape, nichrome wire and high temperature cement.  The TriVolt Power Band heaters respond quickly to applications that require high temperatures and high watt densities (Watts per square inch). All the moisture is removed from the Power Band Heaters by their baking processor 850º F for 8 hours. Tri-Volt has included a small profile termination on the models PWB1 and PWB2 for those applications with restricted space.
All of the TriVolt Power Band Heaters are clamped down with an 18 gauge stainless steel strap to reassure there are no air gaps between the barrel and the heater which improves the band heaters conductive performance. Both the outer and inner shell are manufactured with 3042b stainless steel channel sheet metal providing a compressed process while forming the band heaters. The TriVolt Power Band Heaters are manufactured in a variety of electrical termination styles and can have holes for thermocouples or other reasons.

Applications: Plastic Extrusion, Injection Molding, Blow Molding, Pressure Molding, Structural Foam, packaging, Chemical, Oil and Gas

Specifications: Up to 1300º Sheath Temperture, 100 watts/sq. inch, 120 and 240 volts.

Construction: 1 or 2 piece, Expandable, partial Coverage, Stainless Steel, Minimum Diameter is 1.5 inches, minimum width is 1 inch.

Electrical Connections: Post Terminal, Fiber glass sleave, Metal SS braid, Armour Cable, Ground Post, Dual Voltage, Low Profile Cap, 3 phase, 120 or 240 volts

Terminal Housing: Terminal Box, Terminal Box with Ceramic Block, European Plug, European Plug with terminal box, Ceramic Post Covers, Brass Cap for Heater with different Angle Lead Exits

Clamping Methods: Independent or full strap, Spring-Loaded Barrel Nuts

Features: Low Profile band Heater, Connection Position is 180º from the gap, 18 Gauge 430 stainless strap for maximum clamping, Up to 1300º sheath Temperature

Tri-Volt PWB Band Heater, PWB-02-1A, 1 inch ID, 1 inch width 120 volts, 100 Watts

Tri-Volt PWB Band Heater, PWB-03-1C, 1 inch ID, 1 inch width 120 volts, 200 Watts

Tri-Volt PWB Band Heater, PWB-05-1B, 1 inch ID, 1.5 inch width 240 Volts, 300 Watts

Tri-Volt PWB Band Heater, PWB-43-1A, 2 inch ID, 2 inch width 240 Volts, 750 Watts

Purchase HERE

Sords Electric
216-765-4230
www.sordselectric.com