Plastics catalog - Watlow - #40

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Text version of the page
Barrel Heaters
THINBAND Mica
Barrel Heater Clamping Variations
Tig Welded Barrel Nuts With Spring Loaded Clamping
Refer to the THINBAND recommend­ed clamping graph on page 39. This option is mandatory on vertical applications. To order, specify
spring loaded clamping.
Tig welded barrel nuts with spring loaded clamping are used during start-up to maintain a tight heater fit on large barrels. Stainless steel top metal is required.
Tig Welded Barrel Nuts
An ideal way to provide access for instrumentation is to specify an oversized gap between the heater ends. If the THINBAND clamp bar screw interferes with the positioning of the instrumentation device,
tig welded barrel nuts are recom­mended. Stainless steel top metal is required. Maximum gap is 25 mm (1 in.). Specify tig welded barrel nuts and gap dimension when ordering.
14 mm (0.563 in.)
Tig Welded
Non-Stock Option
Clamping Pads
Clamping pads are used when an obstruction would prevent a standard full circumferential heater from fitting completely around a
machine barrel. The clamping pads have a hole to allow easy fastening to the machine barrel. Dimensional drawing required when ordering.
Variations
Non-Stock Option
An economical way to provide nearly any location as long as
access for instrumentation is to there is at least 25 mm (1 in.)
specify an oversized gap between between the hole and one side of
the heater ends. A hole in the sheath the heater. Standard hole sizes up
should be specified only when all the to 51 mm (2 in.) diameter. Consult
cylinder surface adjacent to the hole factory for limitations. For proper
must be heated. When required, hole location, a dimensional drawing
one hole may be provided in is required.
40

pageCatalog pdf di En 2012-02-06-12