CYZ40H油密封差壓閘閥
TPJ41Y閥套式排污閥
HG41A高壓微阻止回閥
DH61B高壓升降式止回閥
DH41B高壓升降式止回閥
H62Y高壓自密封對焊止回閥
H82Y高壓卡箍式止回閥
H63Y H83Y高壓角式止回閥
MT41Y磨輪快速調(diào)節(jié)閥
MT61Y MT81Y磨輪快速調(diào)節(jié)閥
FLJ41Y節(jié)流截止放空閥
L/J67Y自平衡角式節(jié)流截止閥
L/J87Y自平衡角式節(jié)流截止閥
ZF43Y Z43Y油田專用高壓閘閥
Z81H井口閘閥
ZF63Y Z63Y油田焊接高壓閘閥
Z83Y(套)卡箍高壓平板閘閥
L/J86Y平衡式節(jié)流截止閥
L/J46Y平衡式節(jié)流截止閥
L/J66Y平衡式節(jié)流截止閥