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BACKER HOTWATT CATALOG

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Band Heaters

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Backer Hotwatt
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/ Band Heaters

Standard BAND HEATERS

Clamping and Post Type Terminal Options for Band Heaters

Availability: In Stock

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Description

U.L. Recognized – E56973

C.S.A. Certified – 016386-0-000

Applications

Cylinders, Dies, Drums, Holding Tanks, Injections and Blow Molding Machines, and Plastic Extruders.

Features

The Backer Hotwatt Standard Band Heaters are manufactured in one or two piece constructions with maximum inside diameters of 11 1/2″ and 22 1/2″ respectively. Three or more sections are employed when heaters of larger diameters are needed (as for blown film extrusion dies).
Holes and cutouts are available. Maximum wattage may be reduced with the addition of holes and cutouts. Drawing required for specific location.
Made in U.S.A.

Construction

Mica insulation.
Element ribbon.
Rust resistant steel sheath.
Radial lock-up tabs.
Post terminals.

Standard Band Heater

Inside Dia.	1″	1 1/2″	2″	2 1/2″	3″	Width 3 1/2″	4″	4 1/2″	5″	5 1/2″	6″
1″	85	130	185	235
1 1/2″	140	210	280	350	420	490	560
2″	175	255	350	470	565	675	765	865	950
2 1/2″	235	350	470	590	700	825	940	1050	1175	1300	1400
3″	275	405	550	675	800	935	1075	1270	1410	1550	1690
3 1/2″	330	475	660	825	990	1150	1320	1485	1650	1800	1980
4″	375	545	725	910	1100	1275	1450	1640	1825	2010	2200
4 1/2″	420	635	845	1060	1270	1485	1695	1900	2120	2330	2545
5″	450	685	925	1150	1375	1610	1850	2075	2300	2525	2750
5 1/2″	520	775	1035	1295	1555	1815	2070	2330	2590	2850	3100
6″	550	820	1100	1325	1650	1935	2225	2495	2770	3050	3325
6 1/2″	610	920	1225	1530	1835	2140	2450	2755	3060	3365	3675
7″	650	975	1300	1625	1950	2275	2600	2875	3250	3575	3900
7 1/2″	705	1060	1415	1765	2120	2470	2825	3180	3530	3885	4240
8″	750	1125	1500	1860	2225	2585	2950	3325	3700	4075	4450
8 1/2″	800	1200	1600	2000	2400	2800	3200	3600	4000	4400	4800
9″	850	1275	1675	2050	2525	2935	3350	3825	4200	4600	5000
9 1/2″	895	1340	1790	2235	2685	3130	3580	4025	4475	4920	5370
10″	925	1385	1850	2325	2800	3260	3725	4185	4650	5110	5575
10 1/2″	990	1485	1980	2475	2970	3465	3960	4455	4950	5445	5940
11″	1000	1500	2030	2535	3040	3480	3915	4430	4940	5425	5910
11 1/2″	1060	1590	2130	2660	3200	3750	4300	4850	5400	6030	6560

Red catalog number denotes stock item. See stock section for specific ratings.

Sizes

The above chart represents typical sizes available. Other inside diameters and widths, both between those and larger than those listed are available. Metric sizes are also available. Construction of units with inside diameters over 11 1/2″ must be manufactured in accordance with the following table.

Construction	Inside Diameter Range
Two piece	Over 11 1/2″ to 22 1/2″
Three Piece	Over 22 1/2″ to 36″
Four Piece	Over 36″ to 48″

Wattage

The above chart is based on a watt density of 30 watts per square inch of surface. The watt density may be varied, depending on operating temperature in accordance with the following table.