B4

0

6

MATERIALS OF CONSTRUCTION/PRESSURE RATING (psig)

M O D E L

N U M B E R

BASIC MODEL

B40

B40 Liquid Level Switch

ΠFloat material based on availability. Both 321SS and 347SS are stabilized

austenitic stainless steels.

 Consult factory for TYPE 4X/7/9 cast iron housings.

Ž Aluminum enclosure limited to +750° F (+399° C) in hazardous locations.

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

 On steam applications, temperature down-rated to +400° F (+204° C) process

at +100° F (+38° C) ambient.

Code

Chamber

Material

Float

Tank Connection

Min.

S.G.

Temperature (°F)

100

500

750

800

1000

1F30

Chrome-Moly 321/347 SS

1" welding nipple

0.65

2067

1777

1670

1668

651

1B60

1" socket weld

2F30

304 SS

316 SS

1" welding nipple

1857

1566

1294

1240

n/a

2B60

1" socket weld

3C30 Carbon Steel

321/347 SS

1

1925

1820

1250

1100

215

4C40

316 SS

1

3700

3543

3169

3129

3011

5C20 Carbon Steel

1" socket weld

2085

1820

1350

1110

165

1C50 Chrome-Moly

1" weld coupling

2533

2010

1872

1845

956