... Pressure Gauge (PG-6066)1) Case: steel with bronze plate2) Dial: 1.5", 2", 2.5", 3", 3.5", 4", 6"3) Connection ... , BSP (G, PF), BSPT (ZG, PT)5) Connection mounting: bottom, top, left, right, center back, offset back6) Material: a) Case and rolling ... bezel: steel b) Bourdon tube: brass, phosphor bronze, stainless steel c) Connection: brass ...