... are ideally suited for usage on equipment where excessive vibration and pulsation are encountered,such as pumps, compressors, machines tools, ... 5"(63mm)PCS/S 316lower +/-2.5%1/4"NPT DialConnectionPointerBourdon TubeMovement dualbrassaluminiumbrassbrass * Liquid to glycerine or silicon oil * case size 2", ... 1/4", 3/8" & 1/2" are available, too. Liquid Filled Pressure Gauge LM - Lower Mount, General Type