W A T L O W
Barrel Heaters
Special Mica Band
Square,Rectangular and Hex Bands (continued) >
Special ConstructionVariations
Clamping Styles The preferred clamping style isillustrated in Figure 1 showing bent-
up flange clamping. This clamping
style applies a uniform clamping
force at the corners.Figure 2 shows bent-up flanges orbuilt-in
strapping manufacturers bracket at the side.The least preferred clamping style isshown in Figure 3. The one-piece
heater does not apply a uniform
clamping force. Continued
The hinged, two-piece band heateris connected with a reinforced
hinge. It can be opened and closedas often as necessary resulting in
easy installation and removal.To order, specify >
"B""A" "B""A" "B""A" Injection molding Hinged Two-Piece Band >
Figure 1 Figure 2Figure 3 Barrel Heaters hinged two-pieceband and watts and volts per eachhalf.
Thermocouple specifications Coupling
Bayonet Adapter >
NPT SizeDepthHeightin.in.in. 9 ⁄ >
165 ⁄ >
8 0.25 - 20 >
3 ⁄ >
411 ⁄ >
16 0.375 - 18 >
7 ⁄ >
85 ⁄ >
8 To order, specify thermocouplecoupling . bayonetadapter .
The thermocouple couplingsimplifies the installation of an
external thermocouple with a
threaded fitting. The standard
location for the coupling is 90 degrees from the gap.Standard bushing sizes available are:0.5 - 27 The bayonet adapter simplifies theinstallation of an external
thermocouple with a bayonet
adapter. The standard location for
the adapter is 90 degrees from the
gap. To order, specify 33 >