Barrel Heaters - Hasmak.com.tr

<strong>Barrel</strong> <strong>Heaters</strong>THINBAND Mica<strong>Barrel</strong> HeaterClamping VariationsTig Welded <strong>Barrel</strong> Nuts With Spring Loaded Clamping147 mm (5.8 in.)19 mm(0.75 in.)Tig welded barrel nuts with springloaded clamping are used duringstart-up to maintain a tight heaterfit on large barrels. Stainless steeltop metal is required.Refer to the THINBAND re<strong>com</strong>mendedclamping graph on page 39.This option is mandatory on verticalapplications. To order, specifyspring loaded clamping.Tig Welded <strong>Barrel</strong> NutsTig Welded14 mm(0.563 in.)An ideal way to provide accessfor instrumentation is to specify anoversized gap between the heaterends. If the THINBAND clamp barscrew interferes with the positioningof the instrumentation device,tig welded barrel nuts are re<strong>com</strong>mended.Stainless steel top metal isrequired. Maximum gap is 25 mm(1 in.). Specify tig welded barrelnuts and gap dimension whenordering.Non-Stock OptionClamping PadsClamping pads are used when anobstruction would prevent astandard full circumferential heaterfrom fitting <strong>com</strong>pletely around amachine barrel. The clamping padshave a hole to allow easy fasteningto the machine barrel. Dimensionaldrawing required when ordering.VariationsNon-Stock OptionHolesAn economical way to provideaccess for instrumentation is tospecify an oversized gap betweenthe heater ends. A hole in the sheathshould be specified only when all thecylinder surface adjacent to the holemust be heated. When required,one hole may be provided innearly any location as long asthere is at least 25 mm (1 in.)between the hole and one side ofthe heater. Standard hole sizes upto 51 mm (2 in.) diameter. Consultfactory for limitations. For properhole location, a dimensional drawingis required.40