MARSH INSTRUMENTS

Metal thermowells; metal diaphragm seals

Pressure gauges; thermometers not for medical use; differential pressure gauges; technical measuring, testing and checking apparatus and instruments for measuring, testing and checking the temperature and pressure of gas and liquids

Non-metallic diaphragm seals

Custom design of gauges; design and development of pressure gauges; custom design of technical measuring, testing and checking apparatus and instruments for measuring, testing and checking the temperature, pressure of gas and liquids