Back Pressure Reducing
Mark 50 Series ⟶
Self-Operated Back Pressure Regulator
Mark 501/502 Series ⟶
High Flow
Mark 50HP Series ⟶
High Pressure
Mark 51 Series ⟶
High Sensitivity
Mark 52 Series ⟶
Internally Piloted
Mark 53/54 Series ⟶
Differential, Jorlon Diaphragm
Mark 55 Series ⟶
Upstream Vacuum, Jorlon Diaphragm
Mark 56/560 Series ⟶
Dome Loaded, High Accuracy
Mark 57 Series ⟶
Pilot-Operated, Superior Accuracy
Mark 575 Series ⟶
Wafer Style, Jorlon Diaphragm
Mark 58FT/A Series ⟶
Cage Trim, Dual Inlet & Outlet for Through-Flow
Mark 58G Series ⟶
Globe Style, Back Pressure Regulating Valve
Mark 586FT/586A Series ⟶
Dome Loaded
Mark 508 Series ⟶
Gas Back Pressure Regulator
Mark 518 Series ⟶
Tank Blanketing Valves
Mark 5108 Series ⟶
Piloted