HVAC Systems
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 60 Series ⟶
Self-Operated Sliding Gate Pressure Regulator
Mark 68G Series ⟶
Globe, High Capacity, Accurate
Mark 608 Series ⟶
Direct Operated Tank Padding Regulator or
Gas Pressure Reducing Regulator for Low Pressures
1-1/2" - 2" (DN40 - DN50)
Mark 608BP Series ⟶
Direct Operated Tank Padding Regulator or
Gas Pressure Reducing Regulator for Low Pressures
3/4" - 1" (DN20 - DN25); Balanced Plug - Good for High Inlet Pressures
Mark 608IS Series ⟶
Direct Operated Tank Padding Regulator or
Gas Pressure Reducing Regulator for Low Pressure
3/4" - 1-1/4" (DN20 - DN32); Internal Sensing - Good for Low Inlet Pressure
Mark 627 Series ⟶
Gas Regulator, Self-Operated, High Inlet Pressure
Mark 630 Series ⟶
Gas Regulator, Self-Operated, High Inlet Pressure
Mark 70 Series ⟶
Sliding Gate Jorlon Diaphragm Control Valve
Mark 701/702 Series ⟶
Sliding Gate Control Valve for High Flow, Higher Cv's (Kv's)
Mark 78 Series ⟶
Globe Style, Accurate Performance
Mark 75 Series ⟶
Wafer Style, Motor Operated, Very Precise
Mark 75HW Series ⟶
Wafer Style, Hand Operated, Precise Adjustment
Mark 75MV Series ⟶
Wafer Style, Motor Operated
Mark 75PTP Series ⟶
Piston Operated with Smart Positioner
Mark 33 Series ⟶
Boiler Feedwater Control Valve
Mark 37 Series ⟶
Motor Operated
Mark 39 Series ⟶
Motor Operated Three Way
Mark 695 Series (3/4″ – 1″) ⟶
Piloted Tank Padding Regulator
3/4", 1" (DN20, DN25); External Pilot
Mark 695X Series ⟶
Direct Operated Tank Padding Regulator
1/2" - 3/4" (DN15 - DN20)
Mark 608BPM Series ⟶
Pressure Regulators
Mark 608MM Series ⟶
Pressure Regulators
Mark 608UBAN Series ⟶
Pressure Regulators
Y-Type Strainers ⟶
Line Strainers