U44SM，U44H/W角式柱塞阀

U41SM-16-100C/P/R法兰柱塞阀

U46SM,U46H/Y可调式柱塞阀

UJ41H/Y/SM柱塞式截止阀

U45SM/U45HY型/直流式柱塞阀

UZ41H柱塞式闸阀

BU41SM-16C/P,BU41H-16C/P保温柱塞阀

BU41SM/H-150-300LB(CP)美标柱塞阀

BU41SM/H-10K(CP)日标柱塞阀

U11SM内螺纹柱塞阀