Pressure switches - Types DNS, DCM, SDBAM
Pressure Sensors:
All pressure sensors have measuring bellows, some made of a copper alloy, but the majority of high-quality stainless steel. The measuring bellows are exposed to a minimal load and perform only a small lifting movement. This results in a long service lifetime with only little drift switching point and high overload safety.
Furthermore, the elongation of the bellows is limited by an internal stop so that the forces resulting from the overpressure cannot have an impact on the switching device. The parts of the sensor in contact with the medium are welded together without filler metals. The sensors contain no seals.
Copper bellows, which are used only for low-pressure ranges, are soldered to the sensor housing. The sensor housing and all parts of the sensor in contact with the medium can also be made entirely from stainless steel 1.4571 (DNS series). Precise material data can be found in the individual data sheets.
Pressure Connection:
The pressure connection on all pressure switches is designed in accordance with DIN 16288 (pressure gauge connection G 1/2A). If wanted, the connection can also be made with a G 1/4 internal thread according to ISO 228 Part 1. The maximum screw-in depth on the G 1/4 internal thread is 9 mm.
Optionally, a diaphragm seal is available for flush mounting for different applications (see data sheet).
