Union check valve is disigned with a ''Ball'' inside which is used for preventing backflow (only allow flow for one direction).
The full port path design make the water no resistance to pass the union check valve, offering little or no resistance. The washer
and O-ring provide excellent sealing, Leak-Free Seal.
and O-ring provide excellent sealing, Leak-Free Seal.
Notice :
Our union check valve must be installed for ''Vertical Direction'', and must be installed correctly following with clear union
check valve's main body arrow mark direction.
Our union check valve must be installed for ''Vertical Direction'', and must be installed correctly following with clear union
check valve's main body arrow mark direction.