TUBULAR HEATERS -
Terminal Design
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Tubular Heaters
Terminal Design
page
Typical Formations Types 1 to 16
Typical
Formations Types 17 to 28
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TERMINAL
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FIGURE
NUMBER |
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Fig.
1 10-32 Cold rolled steel threaded stud. Standard terminal configuration
supplied on .430/.437 and .475/.490 and .625 diameters.* |
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Fig.
2 8-32 Nickel plated steel welded stud. Standard terminal configuration
supplied on .375, .312, .250 and .210 diameter. 10-32 Stud available.* |
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Fig.
3 Flag Terminal, projection welded. |
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Fig.
4 Flag terminal, side projection welded. |
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Fig.
5 Right angle Flag terminal, projection welded. |
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Fig.
6 Quick - connect, projection welded. |
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Fig.
7 Quick-connect, projection welded. |
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Fig.
8 Lead wire. (Specify length-12" standard.) |
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Fig.
9 Epoxy seal: Maximum temperature at seal - 350°F/175°C.**
Epoxylite seal - for temperatures to 600°F/315°C. Ceramic insulator
would not be provided on Figures 2-7. |
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Fig. 10 Rubber
Mold: Maximum temperature at Mold - 220°F/105°C.
Sheath
Diameter
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A
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B
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.250
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7/16
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1-3/4
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.312
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7/16
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1-3/4
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.430
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3/4
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2-1/4
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Fig. 11 Hermetic
Seal: Max. temp. at seal - 1000°F/538°C.
Heater
Dia.
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A
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B
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C
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Thread
Size
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Max.
Amps
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.250
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1.688
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.406
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.280
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8-32
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15
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.312
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1.875
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.406
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.350
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10-32
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30
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.430
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2.125
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.656
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.480
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1/4-28
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40
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.475
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2.125
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.656
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.530
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1/4-28
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40
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