A dual-semisphere check valve for fluid delivery system is composed of valve body, bottom and top valve seats, valve bonnet, flap, spool, sealing washer, rotary rod, pressure screw, handwheel and nut.
英
美
- 一種雙半球截止閥，涉及各種流體輸送系統截斷或接通的裝置。包括閥體、下閥座、上閥座、閥蓋、閥瓣、閥芯、密封墊圈、旋轉桿、壓緊螺絲、手輪和螺母等。由于設置了兩個(gè)閥座和雙半球閥瓣，提高了外密封和內密封效果。
