46-620 B73 & Series 75 Liquid Level Switches
23
7.2 Series 75
TANK CONNECTION TYPE AND SIZE
Electric switch mechanism and enclosure
codes on the following page.
Maximum Maximum Bleed
Supply Process Orifice Excluding
Switch
Pressure Temperature Diameter S75, V75 & Z75 S75, V75 & Z75
Description
psig bar ° F ° C inches mm NEMA 1 NEMA 1
Series J
100 7 400 204 .063 1.6 JDE JKE
Bleed Type 60 4 400 204 .094 2.3 JEE JLE
60 4 700 371 .055 1.3 JFE JME
Series K
100 7 400 204 — — KOE KPE
Non-Bleed
PNEUMATIC SWITCH MECHANISM AND ENCLOSURE
1 Carbon steel chamber, 316
stainless steel
float, 400 stainless steel trim
2 Carbon steel chamber, 316 stainless steel float, 316 stainless steel
trim
3 304 Stainless steel chamber, 316
stainless steel
float, 316 stainless steel trim
4 316 Stainless steel chamber, 316
stainless steel
float, 316 stainless steel trim
MATERIALS OF CONSTRUCTION
Model
Code
Min. S.G. for models with
Material of Construction Code
Pressure Rating
psig @ ° F bar @ ° C
1 2 3 & 4 100 550 750 900 1000 38 288 399 482 538
CARBON STEEL CHAMBER
B75 0.67 0.71 n/a 1000 870 716 357 138 69 60 49 25 10
C75 0.55 0.59 n/a 500 435 400 357 138 34 30 28 25 10
F75 0.55 0.56 n/a 1000 870 800 523 200 69 60 55 36 14
G75 0.53 0.56 n/a 750 653 600 338 130 52 45 41 23 9
J75 0.48 0.51 n/a 400 — 250 — — 28 — 17 — —
K75 0.39 0.40 n/a 600 — 375 — — 41 — 26 — —
L75 0.40 0.42 n/a 300 — 185 — — 21 — 13 — —
N75 0.32 0.33 n/a 450 — 280 — — 31 — 19 — —
S75 0.60 n/a n/a 1500 1275 1045 523 n/a 103 88 72 36 n/a
V75 0.74 0.81 n/a 2240 1913 1455 728 n/a 154 132 100 50 n/a
Z75 0.68 0.71 n/a 2193 1913 1425 713 n/a 151 132 98 49 n/a
STAINLESS STEEL CHAMBER
C75 n/a n/a 0.60 500 435 400 385 380 34 30 28 26 26
J75 n/a n/a 0.51 400 — 225 — — 28 — 16 — —
O75 n/a n/a 0.85 400 — 285 — — 28 — 20 — —
P75 n/a n/a 0.75 400 — 225 — — 28 — 16 — —
MODEL NUMBER CODE
Type
Size
Material 1" 1
1
⁄2" 2"
Threaded
Side/Bottom
CS B20 C20 D20
SS B20 C20 D20
Socket Weld
Side/Bottom
CS B20 C30 D30
SS B30 C30 D30
Cage Mounting Flange Rating (lbs.)
150 300 600 900 150 300 600 900 150 300 600 900
Flanged Upper
Side/Bottom
CS N30 N40 N50 N60 P30 P40 P50 P60 Q30 Q40 Q50 Q60
SS N30 N40 Consult Factory
Flanged
Side/Side
CS S30 S40 S50 S60 T30 T40 T50 T60 V30 V40 V50 V60
SS S30 S40 Consult Factory
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