J48H-10-DN10,J48H-10-DN15,J48H-10-DN20,J48W-16P-DN10,J48W-16P-DN15,法兰式针型阀

14


150


140


1Cr18Ni9Ti


450


水，蒸汽，碱，酸


5.5




J48W-25P


2.5


10

01/21 15:24