Valve -mud pump spare part , suction valve can be interchange with discharge valve . Its material is polyurethane.
valve -mud pump spare part , suction valve can be interchange with discharge valve . Its material is polyurethane.
QZ-9 mud pump ' s valve and valve seat are API 7#.
F500 and QZ3NB500 mud pump ' s valve and valve seat are API 5#
valve body , valve insert, valve spring , valve seat , valve cap , valve cap seal
is assembled in valve pot.