Barrel Heaters - Hasmak.com.tr

<strong>Barrel</strong> <strong>Heaters</strong>MI BandApplications andTechnical DataThe Physical Limitations ofVariations table below shows theavailability of widths, insidediameters and terminations forWatlow’s MI Band heaters. To makesure the available terminations willmeet your application needs, referto the illustrations of terminationtypes on page 209.If you need to exceed the limitationsshown, contact your Watlow salesengineer or authorized distributor.Physical Limitations of VariationsWidthsI.D. Available—mm (inches)mm (in.) 1 pc. Construction Expandable 2 pc. Construction Available TerminationsMinimum Maximum Minimum Maximum Minimum Maximummm (in.) mm (in.) mm (in.) mm (in.) mm (in.) mm (in.)25.4 (1) 25.4 (1) – 355.6 (14) 76.2 (3) – (355.6) (14) 76.2 (3) – 255.6 (14) All34.9 (1 3 ⁄8) 25.4 (1) – 76.2 (3) 76.2 (3) – (152.4) (6) 76.2 (3) – 152.4 (6) All38.1 (1 1 ⁄2) 25.4 (1) – 355.6 (14) 76.2 (3) – (355.6) (14) 76.2 (3) – 711.2 (28) All50.8 (2) 31.8 (1 1 ⁄4) – 355.6 (14) 76.2 (3) – (355.6) (14) 76.2 (3) – 711.2 (28) All63.5 (2 1 ⁄2) 31.8 (1 1 ⁄4) – 355.6 (14) 76.2 (3) – (355.6) (14) 76.2 (3) – 711.2 (28) All76.2 (3) 31.8 (1 1 ⁄4) – 355.6 (14) 76.2 (3) – (355.6) (14) 76.2 (3) – 711.2 (28) All88.9 (3 1 ⁄2) 44.5 (1 3 ⁄4) – 355.6 (14) 76.2 (3) – (355.6) (14) 76.2 (3) – 711.2 (28) All - Except 90° “B” Leads101.6 (4) 50.8 (2) – 355.6 (14) 76.2 (3) – (355.6) (14) 76.2 (3) – 711.2 (28) All114.3 (4 1 ⁄2) 57.2 (2 1 ⁄4) – 355.6 (14) 76.2 (3) – (355.6) (14) 76.2 (3) – 711.2 (28) All127.0 (5) 63.5 (2 1 ⁄2) – 355.6 (14) 76.2 (3) – (355.6) (14) 76.2 (3) – 711.2 (28) All - Except 90° “B” Leads139.7 (5 1 ⁄2) 69.85 (2 3 ⁄4) – 355.6 (14) 76.2 (3) – (355.6) (14) 101.6 (4) – 711.2 (28) Post Terminals, SLE152.4 (6) 76.2 (3) – 355.6 (14) 76.2 (3) – (355.6) (14) 101.6 (4) – 711.2 (28) All177.8 (7) N/A N/A 101.6 (4) – (355.6) (14) N/A N/A Post TerminalsGeneral Limitations:• Maximum width of 25 mm (1 in.)diameter heater is 38 mm(1.5 in.) wide• Maximum heater width = 3x heaterdiameter• Minimum I.D. for Type B, C, E and Hleads = 25 mm (1 in.)• Minimum I.D. for Type B—90 degreeleads = 28 mm (1.125 in.)• Maximum lead amps: 8.5A per pair• Maximum amps (post terminals): 30Aper pairStandard Gaps:• ≤ 76.2 mm (3 in.) = 3 mm (0.125 in.)nominal• 76.2 mm (3 in.) ≤ 152.4 mm (6 in.) =3 mm (0.25 in.) nominal ± 3 mm(0.125 in.)• 152.4 mm (6 in.) ≤ 355.6 mm (14 in.)= 9.52 mm (0.375 in.) nominal ±3 mm (0.125 in.)• > 355.6 mm (14 in.) = 12.7 mm(0.5 in.) nominal ± 6.3 mm (0.25 in.)206