6

Pressure Rating

Model

Min.

psig @ ° F

bar @ ° C

No.

SG

Materials of Construction

100

450

38

232

B73-1

0.59

Carbon steel chamber, 316 stainless steel float,

400 stainless steel trim

B73-2

0.59

Carbon steel chamber, 316 stainless steel float,

316 stainless steel trim

400

275

28

20

B73-3

0.59

304 stainless steel chamber, 316 stainless steel float,

304 stainless steel trim

B73-4

0.59

316 stainless steel chamber, 316 stainless steel float,

316 stainless steel trim

Models available for quick shipment, usually within one week after factory

receipt of a complete purchase order, through the Expedite Ship Plan (ESP)

MODEL NUMBER CODE

B20

1" NPT threaded side/bottom

B30

1" socket weld side/bottom

N30

1" 150 lb. flanged upper side/bottom

N40

1" 300 lb. flanged upper side/bottom

S30

1" 150 lb. flanged side/side

S40

1" 300 lb. flanged side/side

TANK CONNECTION TYPE AND SIZE

M O D E L N U M B E R

S E R I E S B 7 3

ŒŒ

ΠModels are limited to maximum temperature rating of selected

switch mechanism. See Switch Mechanism chart on page 9.

 Process temperature based on +100° F (+38° C) ambient.

Ž On steam & other condensing applications, temperature down-

rated to +400° F (+204° C) process @ +100° F (+38° C) ambient.