Level Switch Float SOR Pressure Switches with N4 Diaphragm and 1/4” NPT F Pressure Port

54NN-KK118-N4-B1A

Pressure and Vaccum Switches for Process Applications

SOR Pressure Switches

The SOR pressure switches in this catalog are suitable for a variety of process applications.

Basic models with standard wetted parts are normally suitable for air, oil, water and noncorrosive processes. See the Quick Selection

Guide on pages 4 and 5. Specific application requirements can normally be met by selecting optional components, such as switching elements, diaphragm systems and pressure ports. See How to Order on page 3. Certain applications may require customized specials.

Standard Construction

• Housing: NN - aluminum; L - cast iron

• Switching Element: SPDT; K - 15 amps @ 250 VAC

• Diaphragm & o-ring: N4 - primary (wetted)

diaphragm, TCP; o-ring (wetted) Buna-N. Piston

56 primary (wetted) diaphragm, 316SS.

• Pressure Port: 1/4” NPT(F); B1A - aluminum;

F1A - carbon steel

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