Cartridge pencil heaters made by Fudi pencil tube-shaped. In this process, the heavy industrial Joule heating element (resistance) used in the industry is heated, usually customized to a specific watt density, based on its intended application. Cartridge heaters provide excellent heat transfer, uniform temperature and resistance to oxidation and corrosion at high temperatures. Fudi’s popular cassette heaters have the following design styles: straight, right angle, flange, 90 degrees, columns at both ends, columns at the same end and distributed power. Application scope of Cartridge heater: mold, pressing plate, mold, hot plate, sealing, aerospace, fluid heating, life science, semiconductor, catering equipment.
Fudi Cartridge Pencil Heater’s specifications:
Single-head electric heating tube specifications:
304 stainless steel sheath
All heaters are forged at 3/6 L for dipping applications
Watt density (guaranteed to be 150) up to 200 W/in2 (62 W/cm2)
Parts temperature is 1000°F (540°C), optional stainless steel sheath
The temperature of the parts reaches 1400°F (760°C) on the Incoloy® jacket.
Cartridge heaters are most commonly inserted into holes to heat metal parts. In order to facilitate installation, the cylindrical heater is made slightly smaller relative to its nominal diameter.
The Cartridge pencil heaters made by Fudi has Various terminal types:
Standard Scrimped on leads, Swaged flexible lead wire, Teflon(PTFE) Leads & Seals, Right angle leads wire, Metal Braid Lead wire, Stainless steel hose protective, Post terminal type, with Internal Thermocouple, Flange type, Immersion Type.
In most applications, there is no need to use the highest power density. Instead, only use the required density. Rated values lower than the maximum allowable value can be used to leave a certain safety margin. Space heaters are chosen to achieve the most even heating, not to achieve the highest possible power for each heater.
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