弹簧微启式外螺纹安全阀 KA21-16C-DN15,KA21-16P-DN15,KA21-16C-DN20,KA21-16P-DN20,KA21-16C-DN25,KA21-16P-DN25

1Cr18Ni12Mo2Ti




10


调节螺母


Q235-A


2Cr13


1Cr18Ni12Mo2Ti





密封面材料


Y型堆焊Co基硬质合金,H型堆焊D507,W型为阀门本体

01/22 16:03