燃气截止阀J41N

水封截止阀DSJ41H

高温高压焊接截止阀J61Y、J961Y

衬胶截止阀J41J

衬氟直流式截止阀J41F46

衬胶直流式截止阀J45J

锻钢自密封截止阀J41Y

丝口锻钢截止阀、焊接式锻钢截止阀J11Y、J61Y

锻钢保温截止阀BJ41Y

锻钢波纹管截止阀WJ11Y、WJ61Y

J41F46衬氟截止阀

美标法兰截止阀J41H