HD7X43HD7X43重锤式液控缓闭蝶阀

HDW41XHDW41X多功能止回阀

HQ45XHQ45X球形止回阀

H44HH44H旋启式止回阀

300X300X缓闭止回阀

HC44XHC44X橡胶瓣止回阀

HQ41XHQ41X球形止回阀

HH44XHH44X微阻缓闭止回阀

PQ340HPQ340H侧装式偏心半球阀

DYQ34DYQ340H上装式半球阀

Z41HZ41H法兰明杆闸阀

Z941HZ941H电动闸阀