Mark 33 Series

Boiler Feedwater Control Valve

DESCRIPTION

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.

Features & Benefits

  • 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 Cvs
  • Tight shutoff

Specifications

  • Sizes: 1/4″ – 2″ (DN8 – DN50)
  • Body Material: Carbon Steel, Stainless Steel, Ductile Iron, Bronze
  • End Connection: Threaded, Flanged, Socket Weld, Butt-Weld
  • Cv (Kv): up to 395 (up to 340)
  • Set Material: Jorcote
  • Command Signals: Current or voltage command, on/off