供应不锈钢旋启式止回阀

API603,H44W-150LB不锈钢旋启式止回阀 整体阀座，DN15-DN40 法兰，ASME 150， 300磅级，壁厚符合B 16.34 800磅级阀门，全流道，DN15-DN40 螺纹或承插焊接，ASME 800磅级Integral Seat, 1/2-11/2", (15-40 mm) Flanged, ASME Classes 150, 300, Wall Thickness To B 16.34 Class 800 Valves Full Port 1/2-11/2", (15-40 mm) Threaded or Socket Weld, ASME Class 80