Mark 33 Series – Boiler Feedwater Control Valve

The Mark 33 is a motor-operated valve featuring the Jordan sliding gate seat and heavy-duty industrial motors for proportional (resistance), on-off, 4-20 mA electronic control. Models include the Mark 33 in sizes 1/4″ through 2″ (DN8 through DN50), the high flow Mark 331/332 with Cv’s up to 70 (60,34 Kv), and the Mark 39 with three-way body.

  • Heavy duty industrial grade motor – die cast magnesium housing, NEMA 3 (weather protection) rated, UL® listed and CSA approved
  • Oil-immersed motor and gear train for long-term, reliable performance
  • 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

Data Sheet
Mark 33/39 Series Data Sheet

I & M
Mark 33/39 Series I & M
Mark 33/39 Series I & M SCV

Dimensional Drawing
Mark 33 Series Dimensional Drawing

Jordan Valve Product Guide
Jordan Valve Product Guide – A4

The Mark 33 is available for Next Business Day shipment.

Sizes: 1/2″- 2″

24 VAC, FNPT only

For a complete list of considerations, please click here

Questions? Contact our Sales Team now!  Request a Call-Back