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TYPICAL HOSE DESIGN
CONRAD HEATED HOSES are custom designed and manufactured
incorporating time-proven materials throughout. Heated hoses are available in a wide
selection of hose core inner diameters and in any desired length from
10 inches to over 140 feet long.
The hose inner core is comprised of extruded PTFE or
PFA Teflon®, 0.030" or 0.040" wall thickness, which offers exceptional
resistance to temperature cycling and kinking. For those applications requiring
exposure to temperatures in excess of 500°F (260 °C), hoses are furnished
with an all metal, corrugated inner core and a high temperature 700°F
(400 °C)
resilient fiberglass heater and insulation. Additional specifications
for Conrad Series CH92 high temperature hoses are available from the factory.
The hose reinforcement is provided by one or multiple
layers of braided type 304 Stainless Steel wire. Nominal pressure ratings
are 25% of the demonstrated burst pressure.
The hose end fittings are a progressive swage or crimp
design and are available in Stainless Steel, Brass, or Aluminum. Choose
between a Female and Male NPT, Female and Male 37o JIC Swivel,
Tube stub, Cam and Groove, Sanitary
Flange, BSPP and Metric or many other end fitting options.
The Conrad Multi-strand heating element is comprised of a strong nickel alloy
utilizing multiple end, fine gauge wire stranded design for maximum resistance
to flexing while offering a large heated surface area (95%) for optimal
heat transfer compared to single conductor types of heating elements. Individual strand bundles are fixed in place and insulated with flexible,
high-temperature fiberglass. A layer of silicone rubber serves as an elastic
cushion as well as a dielectric insulator to isolate the abrasive effects
of the hose core braid.
Hose thermal insulation is provided by multiple layers
of a high quality and nonflammable material which incorporates excellent
temperature resistance, flexibility, and light weight while maintaining
a cool running outer surface.
The outer cover of tough polyester braided jacketing serves to protect
the hose, insulation, and internal components while presenting an attractive
finished appearance. Other options are available, including
an extruded silicone covering for water-protection as well as a variety of
wire reinforced, flexible materials.
The hose ends are finished with a hardened tight fitting molded
cover of Polyolefin. All integral components are bonded together within
the assembly and to the hose core to prevent chemical or flexible damage
and separation in use.
Heated hose electrical characteristics will match any requirement
of voltage, phase and power needed. A variety of wiring options, temperature
sensors, temperature controllers, and temperature control methods are
available to match most requirements.
Typical Heated Hose applications include:
Packaging Industry
Photographic Development Solutions
Paper Mills
Corrugated Cardboard Lamination
Automobile Manufacturing
Chemical Transfer
Automobile Emissions Testing
Plastic and Rubber Extrusion
Laminated Glass Manufacturing
Two Part Foam Transfer and Application
Food Transfer (FDA approved)
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