Plastics catalog - Watlow - #30

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Text version of the page
irrel Heaters
Special Mica Band
Physical Limitations of
Variations
Physical Limitations of Variations
Diameter
Width
Heater Type
Min.
Max.
Min.
Max.
mm
(in.)
mm (in.)
mm
(in.)
mm (in.)
1 pc.
33.3
(15/6)
559 (22)
15.8
(5/8)
381 (15)
2 pc.
76.2
(3)
1117 (44)
15.8
(5/8)
381 (15)
Expandable:
Narrow
44.4
(13/4)
——
25.4
(1)
76.2 (3)
Wide
44.4
(13/4)
— —
50.8
(2)
152.4 (6)
O.D. heater:
1 pc.
76.2
(3)
559 (22)
25.4
(1)
76.2 (6)
2 pc.
76.2
(3)
1117 (44)
25.4
(1)
76.2 (6)
Type K leads
19.05
(3/4)
— —
15.8
(5/8)
381 (15)
Type L leads
19.05
(3/4)
——
19.05
(5/8)
381 (15)
Type E leads
38.1
(112)
559 (22)
19.05
(5/8)
381 (15)
Type F leads
38.1
(112)
559 (22)
19.05
(5/8)
381 (15)
Type H leads
38.1
(112)
559 (22)
19.05
f/8)
381 (15)
Type B leads
38.1
(112)
559 (22)
19.05
(5/8)
381 (15)
Post terminal:
33.3
(1/6)
— —
25.4
(1)
381 (15)
Type A leads
19
(3/4)
— —
19
(3/4)
381 (15)
Type C leads
33.3
(1/6)
— —
25.4
(1)
381 (15)
Terminal box
88.9
(312)
——
34.9
(13/8)
381 (15)
Plug w/bracket
76.2
(3)
——
88.9
(312)
381 (15)
3-phase
— —
76.2
(3)
381 (15)
European Plug:
1 pc. vertical
33.3
(1/6)
559 (22)
25.4
(1)
381 (15)
1 pc. horizontal
76.2
(3)
559 (22)
50.8
(2)
381 (15)
2 pc. vertical
76.2
(3)
1117 (44)
25.4
(1)
381 (15)
2 pc. horizontal
76.2
(3)
1117 (44)
50.8
(2)
381 (15)
HV Wedge-Lok
2.5.4
(1)
76.2 (3)
25.4
(1)
76.2 (6)
Clamping tabs
50.8
(2)
— —
25.4
(1)
381 (15)
Welded Barrel Nuts
1 pc.
50.8
(2)
559 (22)
25.4
(1)
381 (15)
2 pc.
101.6
(4)
1117 (44)
25.4
(1)
381 (15)
Check the table to be certain the variations and lead arrangements being ordered are available on the heater size required. If you need to exceed any limitations please contact a Watlow representative.
Note: Some combinations of maximum and minimums cannot occur on the same heater. Standard gap is 6.35 mm (0.25 in.)
Variations
Different Widths
The 38 mm (1.5 In.) wide heater Is the most efficient due to maximum clamping action. Heaters are available in widths from 16 mm (0.625 in.) to 381 mm (15 in.).
Multiple clamping straps are provided for heaters more than 76 mm (3 in.) wide.
Expandable Heaters
Heaters 76 mm (3 in.) wide or less are constructed with a notched sheath. Heaters wider than three inches are constructed with an
expansion seam. These heaters are shipped open and should not be closed and reopened more than twice. To order, specify expandable.
30

pageCatalog pdf di En 2012-02-06-12