HC44X（SFCV）HC44X（SFCV）橡胶瓣止回阀

HH44XHH44X微阻缓闭止回阀

300X300X活塞式缓闭止回阀

300X300X缓闭式止回阀

ZYA-9000型ZYA-9000型活塞式水锤吸纳器

GWXDF3204YGWXDF3204Y双向流硬碰硬旋球阀

HC41XHC41X节能消声止回阀

YX741X（H104X）YX741X（H104X）活塞式可调减压稳压阀

YX741XYX741X隔膜式可调减压稳压阀

200X200X活塞式可调减压阀

200X200X减压阀

SCVXSCVX型对夹式*止回阀