Primary Diaphragm N4 SOR Pressure Switches with SPDT Switching Element

6 NN- K 5 - M4 -C2A- YY

Basic SOR pressure switches with standard wetted parts are normally suitable for air, oil, water

and non-corrosive processes. Corrosive service and particular customer requirements may require

optional components. Refer to How to Order on page 3 to locate optional components, such as,

housing, switching elements, diaphragm systems, pressure ports and accessories. Each position in

the model number, except Accessories, must have a designator.

Standard Construction

• Housing: NN - aluminum; L - cast iron

• Switching Element: SPDT; N - 10 amps @

250 VAC; K - 15 amps @ 250 VAC

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

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

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

F1A - carbon steel

Our company Hontai Machinery and equipment (HK) Co. ltd focus is on steel mills, power plants, cement plant , chemicals, paper, CNC numerical control machine tool industry system spare parts! Main products: DCS system cards, spares of turbine ,generator ,boiler ,blower , coal mill , motor , transformer , pump, valve , air compressor , meters and Instruments , cable and wire , actuator , circuit Breaker , gear reducer, coal feeder and flame , servo controllers, etc.

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Hontai business scope include:

Export products :

- turbine

- generator

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- Instrument & indicator 

- Other industry spares for replace : relay , fuse , transformer , solenoid value , 

limited switch , transducer , sensor , thyristor and so on .

Import products :

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