Watlow Electric Firerod Immersion - Manual

F I R E R O D ® I M M E R S I O N
Compact Unit Gives
Versatility in
Designing a Heating
System
FIREROD ® immersion heaters package up to 300 W/in 2
(46.5 W/cm 2 ) in a compact unit, giving you greater versatility
in designing your heating system. This design solution is ideal
for replacing large screw-plug immersion heaters.
Aside from its versatile design, these heaters come complete
with a brass
3 ⁄
4
(19 mm) NPT double threaded screw plug,
which allows you to add conduit boxes. Also, FIREROD
immersion heaters are sealed at the lead end with a silicone
rubber seal. Solid copper leads, with silicone rubber sleeve,
are provided for unconfined wiring. These units are
recommended for immersion in water or 90+ percent water
soluble solutions.
© 2005 Watlow Electric Manufacturing Company
Features and Benefits
Nickel-chromium resistance wire
• Precisely centered in the unit assures even, efficient
distribution of heat to the sheath
Magnesium oxide insulation
• Compacted to the proper density, results in high dielectric
strength and contributes to faster heat-up
Incoloy ® sheath
• Resists corrosion from water
Metallurgically-bonded conductor pins
• Ensures a trouble-free electrical continuity
Lead end with silicone rubber seal
• Protects the heater against moisture contamination
Optional stainless steel fittings
• Available for use in corrosive applications
Horizontal through the wall tank mounting
• Makes setup faster
240 and 480VÅ(ac)
• Provides wiring flexibility
Stock availability
• Same day shipment on various 5 ⁄
8
in. diameter heaters with
3 ⁄
4
in. NPT
12001 Lackland Road
St. Louis, Missouri 63146 USA
Phone: +1 (314) 878-4600
FAX: +1 (314) 878-6814
Internet: www.watlow.com
e-mail: [email protected]
STL-FRI-0505
Performance Capabilities
• Maximum operating temperature in water to 100 O C (212 O F)
at 14.7 psi
• Maximum watt density to 300 W/in 2 (46.5 W/cm 2 )
• Maximum voltage to 480VÅ(ac)
Incoloy is a registered trademark of Special Metals Corporation.
Applications
• Plastic reclamation
• Food preparation
• Lab equipment
4 in
. (10
0 m
m)
No-
Hea
t
Nickel-Chromium
Resistance Wire
Double Threaded Brass
3 ⁄
4
in. NPT - 1 3 ⁄
8
in. long*
Magnesium
Oxide Insulation
6 in. (150 mm) Solid Pins
with Silicone Rubber Boots
Incoloy ®
Sheath
*Standard on 5 ⁄
8
and 3 ⁄
4
in. diameter heaters.