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B-300-2K型空压机;填料函中的密封元件有密合环和刮油密合环。密合环是一用黄铜HSi80-3制造的外径为76毫米,内径为70毫米,宽为12毫米,有1.5毫米切口的圆环。刮油密合环是一用铸铁制造的三瓣直口密封圈(如图)。这两种金属密封元件(尤其是刮油密
B-300-2K-type air compressor; stuffing box sealing element has a close ring and scraper ring. The mating ring is a ring made of brass HSi80-3 having an outer diameter of 76 mm, an inner diameter of 70 mm, a width of 12 mm and a 1.5 mm incision. Oil scraping ring is made of cast iron with three straight mouth seal (pictured). These two metal sealing elements (especially oil-tight