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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.
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.
MB1A1AN1
MB1A1AN2
MB1A1AN3
MB1A1AN4
MB1A1JN1
MB1A1JN2
MB1A1JN3
MB1A1JN4
MB1A1JN5
MB1E1AN1
MB1E1AN2
MB1E1AN3
MB1E1JN1
MB1E1JN2
MB1E1JN3
MB1J1AN1
MB1J1AN2
MB1J1AN3
MB1J1AN4
MB1J1AN5
MB1J1JN1
MB1J1JN2
MB1J1JN3
MB1J1JN4
MB1J1JP4
MB1J1JP6
MB1J2AN1
MB1J2AN2
MB1J2AN3
MB1J3AN1
MB1J3AN2
MB1J3AN3
MB1N1GX3A
MB1N1JN1
MB1N1JN2
MB1N1JN3
MB1N2AN1
MB2A1AN1
MB2A1AN2
MB2A1AN3
MB2A1AX6B
MB2A1JN1
MB2A1JN2
MB2A2AN1
MB2A2AN2
MB2A2AX2A
MB2E2AX7
MB2E2JN1
MB2J1AN1
MB2J1JN1
Sords Electric
216-765-4230
www.sordselectric.com
Watlow Nozzle Heaters for Industrial Uses
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