HVAC Systems
Mark 50 Series ⟶
Self-Operated Sliding Gate Back Pressure Regulator, 1/4"- 4", Up to 200 Cv | Quick Ship Available
Mark 501/502 Series ⟶
High Flow Back Pressure Regulator; Sliding Gate; 1-1/2″ – 2″ (DN40 – DN50)
Mark 50HP Series ⟶
High Pressure Back Pressure Regulator, Up to 450 psi (31 bar), 1/4" - 4" (DN8 - DN100) | Quick Ship Available
Mark 51 Series ⟶
Large diaphragm, 1/4" - 3/4" size range
Mark 52 Series ⟶
Internally Piloted Back Pressure Regulator
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 Reducing Regulator | Quick Ship Available
Mark 68G Series Globe Type Pressure Reducing Valve ⟶
High Capacity, Exceptional Accuracy, Sizes: 1/4″ - 2″ (DN8 - DN50) | Quick Ship Available
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 Spring Loaded Pressure Regulator ⟶
Self-Operated, High Inlet Pressure; Sizes: 3/4″ - 2″ (DN20 - DN50)
Mark 630 Series Gas Pressure Reducing Regulator ⟶
Self-Operated, High Inlet Pressure up to 1500 PSI, Sizes: 1″ & 2″ (DN25 & DN50)
Mark 70 Series ⟶
Sliding Gate 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 | Quick Ship Available
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 Control Valve; Sliding Gate; 1″ - 8″ (DN25 - DN200)
Mark 75PTP Series ⟶
Piston Operated with Smart Positioner
Mark 33 Series ⟶
Boiler Feedwater Control Valve; Motor Operated Sliding Gate; 1/4″ – 2″ (DN8 – DN50)
Mark 37 Series ⟶
Motor Operated Control Valve With Electronic Linear Actuator; 1/4″ – 6″ (DN8 – DN150)
Mark 39 Series ⟶
Motor Operated Three Way
Mark DBAQ Series ⟶
Angle Style Control Valve
Mark CFR Series Pressure Reducing Filter Regulators ⟶
Filter Regulators
Mark D & DA Series ⟶
Globe & Angle Control Valve
Mark ED & ET Series (1″ – 6″) ⟶
Globe Style Control Valve
Mark ED & ET Series Globe Style Control Valve ⟶
Top Entry Cage Design, Tight Shutoff, Sizes: 8"
Mark EW Series ⟶
Globe Style Control Valves
Mark EZ Series ⟶
Globe Style Control Valve
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 Direct Operated Pressure Reducing Valve ⟶
Spring Loaded, Self Actuated, Sizes: 1" up to 10" (DN25 - DN250)
Mark 608MM Series Spring Loaded Pressure Regulator ⟶
Flow to Open Design, Sizes: 1" through 10" (DN25 through DN250)
Mark 608UBAN Series Direct Operated Pressure Reducing Valve ⟶
High Capacity, Spring Loaded, Sizes: 1/2" to 2" (DN15 to DN50)
Y-Type Strainers ⟶
Line Strainers
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