... Brass Connection 4.Glycerine, Flange,Bracket, CE ROHS Bimetal thermometer Manometer is widely used in petroleum,petrochamical,power,pharmaceutical, ... chamical engineering industry.Compared to the glass thermometer,it is more convenient and inexpensive.And it ... as standard that are designed toprovide full protection to the instrument and the operator.1. Size Dial100 mm (4”) ...