Double diaphragm differential pressure gauges

Instrumentation · Pressure

Nuova Fima MD17 differential pressure gauges measure the differential pressure of low-viscosity, non-crystallising gases and liquids in lines with static pressure up to 400 bar (PN 400), in nominal sizes of 100 and 150 mm. Their double diaphragm measuring cell includes a blocking system that creates a protective liquid layer and supports the sensing element in the event of one-sided overpressure. The linear displacement of the diaphragm is converted into rotation by a lever mechanism and transmitted to the pointer through an amplifying movement. They are used in the chemical, petrochemical, energy, water treatment and Oil & Gas industries. They offer ranges from 0…0.4 to 0…10 bar with accuracy class 1.6 to EN 837, a 270° scale and process fluid temperatures up to +150 °C. The socket is AISI 316L, the double diaphragm AISI 316L/Duratherm (Monel 400 or Hastelloy C276 on request), and the case and bayonet ring are stainless steel, with IP55 protection (IP65 optional). Options include glycerine or silicone filling, ATEX II 2G and II 2GD versions, NACE MR0103/MR0175 version, maximum pointer and 2" pipe mounting bracket. They comply with the PED Directive 2014/68/EU and the ATEX Directive 2014/34/EU. At Tecnovent we help you size the range and static pressure for your application.