13
46-620 B73 & Series 75 Liquid Level Switches
Minimum SG given is for single switch units with -1 materials of
construction. Consult factory for other configurations.
Switch actuating levels (HL & LL) are given for minimum specific
gravity materials of construction –1 and single switch units. Consult
factory for other configurations.
304 Stainless steel only
316 Stainless steel only
These dimensions increase by 2.19 (55) with Series HS switches
with terminal blocks.
STAINLESS STEEL CHAMBERS WITH 1 INCH CONNECTIONS
INCHES MILLIMETERS
NPT & Flanged Flanged Actuating NPT & Flanged Flanged Actuating
Min.
Socket Weld Upper Side/Btm Side/Side Levels Socket Weld Upper Side/Btm Side/Side Levels
SG A B C A B C A B C HL LL A B C A B C A B C HL LL
B73 0.59 6.36 3.34 17.44 9.25 6.25 20.32 9.90 6.25 21.00 1.22 2.10 151 84 442 235 159 515 251 159 532 30 53
C75 0.60 8.50 3.61 22.06 11.56 6.68 25.12 12.21 6.68 25.75 2.75 3.62 216 92 560 294 170 638 310 170 654 70 92
J75 0.57 9.25 3.61 23.06 12.31 6.68 26.12 12.96 6.68 26.75 2.93 3.78 235 92 586 313 170 663 329 170 679 74 96
O75
0.85 8.50 2.71 21.87 11.56 5.68 24.93 12.21 5.68 25.62 2.44 3.50 216 69 555 294 144 633 310 144 651 62 89
O75
0.85 8.50 2.59 21.56 11.56 5.56 24.62 12.21 5.56 25.43 2.44 3.50 216 66 548 294 141 625 310 141 646 62 89
P75 0.75 8.50 3.09 21.93 11.56 6.12 25.00 12.21 6.12 25.68 2.56 3.50 216 78 557 294 155 635 310 155 652 65 89
5.2 Physical
STAINLESS STEEL CHAMBERS WITH 1
1
⁄2 INCH CONNECTIONS
INCHES MILLIMETERS
NPT & Flanged Flanged Actuating NPT & Flanged Flanged Actuating
Min.
Socket Weld Upper Side/Btm Side/Side Levels Socket Weld Upper Side/Btm Side/Side Levels
SG A B C A B C A B C HL LL A B C A B C A B C HL LL
C75 0.60 8.50 4.22 12.56 12.56 7.68 16.63 13.21 7.68 17.31 2.13 3.00 215 107 319 319 195 422 335 195 439 54 76
J75 0.57 9.25 4.22 13.56 13.31 7.68 17.63 13.96 7.68 18.25 2.75 3.50 234 107 344 338 195 448 354 195 464 70 89
STAINLESS STEEL CHAMBERS WITH 2 INCH CONNECTIONS
INCHES MILLIMETERS
NPT & Flanged Flanged Actuating NPT & Flanged Flanged Actuating
Min.
Socket Weld Upper Side/Btm Side/Side Levels Socket Weld Upper Side/Btm Side/Side Levels
SG A B C A B C A B C HL LL A B C A B C A B C HL LL
C75 0.60 8.25 4.37 12.69 12.56 7.68 17.00 13.21 7.68 17.69 1.75 2.63 209 110 322 319 195 431 335 195 449 44 69
J75 0.57 9.00 4.34 13.69 13.31 7.68 18.00 13.96 7.68 18.69 2.98 3.13 228 110 348 338 195 457 354 195 475 60 80
Maximum Process
Temperature
Temperature
Classification
< 85° C T6
< 100° C T5
< 135° C T4
< 200° C T3
< 300° C T2
< 450° C T1
These units are in comformity with IECEx KEM 05.0020X
Classification Ex d IIC T6
T
ambient
-40° C to +70° C