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Products Valves STERIFLOW Control Valves Control Valves General SS Application Control valve MK70
Control valve MK70


Product description

The Mark 70 Series is a line of pneumatically-operated diaphragm control valves that combine multiple spring actuators with the precision of the sliding gate seat for closer control and greater accuracy. A side or top-mounted positioner is available to overcome the normal hysteresis for a control valve and actuator and to ensure that the valve stem position is always directly proportional to the control valve command signal.





Control valve MK70

Size
  • 1/4″ – 2″ (DN8 – DN50)
Body Material
  • Ductile Iron, Carbon Steel, Stainless Steel, Bronze
Seat Materials
  • Jorcote on SST standard
Cv (Kv)
  • up to 30 (up to 26)
Action
  • Direct (ATC) or Reverse (ATO)
Ranges
  • 3-15 psi, 6-30 psi (0,2-1,0 bar; 0,4-2,1 bar) or split ranges
Features and Benefits
  • Totally enclosed multi-spring actuator – Minimizes deadband and is field reversible without the use of special tools or additional parts
  • Compact design and simple construction allows fast installation and easy maintenance
  • Stem packing is four times deeper than stem travel for greater protection against leakage
  • Sliding gate seats provide straight-through flow for reduced turbulence and quiet operation
  • Short stroke for fast response and accurate regulation
  • Easily interchangeable CV’s
  • Tight shutoff
Documents
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STEP Files MK70 - 1/2"
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STEP Files MK70 - 3/4"
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STEP Files MK70 - 1"
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STEP Files MK70 - 1 1/4"
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STEP Files MK70 - 1 1/2"
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STEP Files MK70 - 2"
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