Archive News Story
(Products mentioned in this Archive News Story may or may not be available from the manufacturer.)
Cartridge Heaters are available with abrasion protection.
February 27, 2002 - Watt-Flex(R) cartridge heaters have split-sheath construction, which allows each half of heater to expand independently when energized, maximizing metal-to-metal contact with surrounding bore. Continuous-coil design eliminates cold spots between sections, producing uniform temperature profile. Heaters are available in standard dia of 1/4 to 1 in., as well as 8 to 20 mm; in lengths from 1 1/4 to 72 in.; and with operating temperatures to 1700 deg F.
Archive Press Release
(Products mentioned in this Archive Press Release may or may not be available from the manufacturer.)
Release date: February 15, 2002
WATT-FLEX® CARTRIDGE HEATERS AVAILABLE WITH CHOICE OF LEADS, ABRASION PROTECTION
IPSWICH, MA- Watt-Flex(R) Split-Sheath Cartridge Heaters by Dalton Electric are available with a choice of leads to accommodate a variety of process heating applications. Options include flexible stainless-steel hose or braid to protect against frequent flexing and abrasion, straight or right-angle
headers, extra-long leads, high-temperature leads, threaded post terminals, fiberglass or silicon-rubber sleeving, an internal ground wire, and a Quick Disconnect lead with a convenient male plug.
Because of their unique split-sheath design, Watt-Flex heaters run more efficiently, last longer, and are more easily replaced than conventional heaters, dramatically reducing the overall cost of process heating. Split-sheath construction allows each half of the heater to expand independently when energized,
maximizing metal-to-metal contact with the surrounding bore. This in turn maximizes heat transfer, even in oversized bores. Maximum compaction of magnesium oxide around the coil provides superior heat conduction to the outer sheath, resulting in more responsive sheath temperatures, cooler internal operation, and up to five times longer life. Because of their continuous-coil design, Watt-Flex heaters have no cold spots between sections and thus produce a uniform temperature profile along the heater
sheath. With no sections to burn out, the entire heater is either on or off. The continuous coil also allows a hot tip option. The split sheath contracts uniformly when de-energized, for easy removal. In fact, Watt-Flex heaters are warranted removable from bores and sleeves.
Watt-Flex Heaters are available in standard diameters of 1/4, 3/8, 1/2, 5/8, 11/16, 3/4, and 1 inch, as well as 8, 10, 12, 12.5, 15, 16, and 20 mm; in lengths from 1 1/4 to 72 inches; and with operating temperatures to a maximum of 1700 deg F. Heaters are available in custom lengths and electrical ratings, with hot and cool tips.
Watt-Flex Heaters can be manufactured with a groove along the exterior cartridge sheath to accommodate a needle-type thermocouple. While conventional heater thermocouples measure the
internal temperature of the cartridge, the Watt-Flex thermocouple measures the external temperature of the heater at the point of heat transfer between sheath and host metal. This design provides more accurate temperature sensing and control than that of conventional thermocouple-equipped heaters in
critical applications such as molding heat-sensitive resins.
Contacts:
Public Relations:
Norris & Company
John R. Norris Account Executive
960 Turnpike St.
Canton MA 02021
USA
Phone: 781-821-8300
FAX: 781-821-8301 E-mail this person
General Information:
Dalton Electric Heating Co Inc.
Eli Whitney President
28 Hayward Street
Ipswich MA 01938
USA
Phone: 978-356-9844
FAX: 978-356-9846 E-mail this person Company Information: Name: Dalton Electric Heating Co., Inc. Address: 28 Hayward St. City: Ipswich State: MA ZIP: 01938 Country: USA Phone: 978-356-9844 FAX: 978-356-9846 http://www.daltonelectric.com
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