J48H-10-DN10,J48H-10-DN15,J48H-10-DN20,J48W-16P-DN10,J48W-16P-DN15,法兰式针型阀
15


118


10


130


100


1Cr18Ni9Ti


450


水，蒸汽


3.75




J48W-25P


2.5

01/21 11:58