J41N日式燃气截止阀

YG41H燃气限流阀

AWJ45F氨用截止阀

QDQ421F气动紧急切断阀

KQDQ421F气动常开式紧急切断阀

0QDQ421F电磁紧急切断阀

DM643煤气紧急切断阀

SQDWQ（禁油）氧气快速切断阀

QGJ43F机械式车用紧急切断阀

0QDQ421F常闭式电磁动紧急切断阀

CQA槽车球阀

ZCRB燃气紧急切断电磁阀