B40-1F30-FKB datasheet(16/20 Pages) MAGNETROL

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46-602 B40 Liquid Level Switches

4.5

Model Numbers

4.5.1 Part Number Industrial Grade Construction

ELECTRIC SWITCH MECHANISM AND ENCLOSURE

FOR ALL MODELS EXCEPT B40-5C20

MATERIALS OF CONSTRUCTION/PRESSURE RATING (PSIG)

Switch

Description

Maximum

Process

Temperature

° F (° C)

One

Set

Point

NEMA 4X/7/9

Aluminum,

Polymer

Coated

Aluminum,

Div. 1

Grp B

ATEX

EEx d

C T6

Series F

Snap Switch

Hermetically

Sealed

750

(399)

SPDT

FKB

FKK

FC9

DPDT

FNB

FNK

FF9

Series R

High Temp

Snap Switch

750

(399)

SPDT

RKB

RKK

RC9

Series S

Snap Switch

for AC Current

Applications

550

(288)

SPDT

SKB

SKK

SA9

DPDT

SNB

SNK

SB9

Series S

Snap Switch

for DC Current

Applications

400

(204)

SPDT

SLB

SLK

SC9

DPDT

SOB

SOK

SF9

(continued on next page)

BASIC MODEL

B40

B40 Liquid Level Switch

Code

Chamber

Material

Float

Material

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

1/2" socket weld

1925

1820

1250

1100

215

4C40

316 SS

1/2" socket weld

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

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