13
46-620 B73 & Series 75 Liquid Level Switche
s
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
II
C T6
Tambient -40° C to +70° C
