Hontai Machinery and equipment (HK) Co. ltd
Hontai Machinery and equipment (HK) Co. ltd God helps those who help themselves, Creative and progressive,Being honest.
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| 52NN - K116 - M4 - B1A |
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.
| Weatherproof Model Number
| Adjustable Range Vacuum-O-Pressure in. Hg (in. wc)
|
| 52NN - K116 - M4 - B1A | (20 - 0 - 20)
|
| 52NN - K117 - M4 - B1A | (40 - 0 - 40)
|
| 54NN - K117 - M4 - B1A | 15 - 0 - 15
|
| 54NN - K118 - M4 - B1A | 30 - 0
|
| 56NN - K216 - M2 - F1A | 30 - 0 - 20
|
| 56NN - K316 - M2 - F1A | 30 - 0 - 160 |
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
