... PT, BSPP,UNF,or customizedCustomized dial Pressure Increment: bar, kPa, kg/cm2, PSI, or dual.Silicon and mineral oils availableDish-clamp available for ... /4"NPT DialConnectionPointerBourdon TubeMovement dualbrassaluminiumbrassbrass * Liquid to glycerine or silicon oil * case size 2", 3.5", 4" , 5" & 6" are ... ", 3/8" & 1/2" are available, too. Liquid Filled Pressure Gauge LM - Lower Mount, General Type