Clark Solutions
120 Series, Pressure, Vacuum, Diff. Pressure & Temp. Switches
Explosion Proof, Adjustable Ranges 30" Vac to 6000 PSI,
-180°F to 650°F

(Page 8 of 9)
Page 1 2 3 4 5 6 7 8 9


DIMENSIONS (INCHES)
120 Series, Explosion Proof
Internal set point adjustment, dual contacts
Models J120, J120K, C120, F120
Explosion-Proof Indicating Temperature Controls
Model 820E, single switch, external adjustment and temperature indication, dual conduits
Model 822E, dual switch, external adjustment and temperature indication, dual conduits
Diagram 2

Dimension A

Range Code

Inches

NPT

126-124

8.13

1/4

S126B-S164B

8.58

1/2

270-376

7.85

1/4

450, 452

9.80

1/4

453, 454

9.10

1/4

550, 552

9.75

1/4

553-555

9.25

1/4

612, 616

8.65

1/4

701-705

8.31

1/4

Differential Pressure

147-157

8.44

1/4

S147B-S157B

8.44

1/2

456-559

9.40

1/4

Temperature

120, 121

10.00

Immersion Stem

2BS-8BS

9.90

Bulb & Capillary

13272, 13322

-

Immersion Stem (Freeze Protection)

13273, 13321

-

Bulb & Capillary (Heat Tracing)

Diagram 4
Page 1 2 3 4 5 6 7 8 9

      For assistance call 978-568-3400

pumps | valves | instrumentation | new products | contact clark | site/product directory | enewsletter | home