Mark 68G Series Pressure Reducing Regulators

Brand: Jordan Valve

The Mark 68G offers high capacity, accurate regulation and easy servicing, making it the ideal choice for your industrial grade pressure reducing applications.

The MK68G can be supplied with a hard seat for ANSI Class IV shutoff or a soft seat for ANSI Class VI shutoff. Easily removable bottom cap allows quick access for replacing seat and plug.
  • Easy to Maintain and Service – Bottom entry to expose plug, stem and seat. Diaphragm accessible from top, allows for in-line maintenance
  • Large effective diaphragm area reduces droop for increased accuracy and sensitivity
  • Large orifices and body passages provides high flow capacities
  • Tight shutoff with choice of hard (ANSI Class IV) or soft (ANSI Class VI shutoff
  • For applications with differential pressures up to 300 Psi (21 bar) – On water air, oil, gas, steam, and chemicals
  • Zero or minimal soft seals enhance chemical and temperature capabilities



  • 1/4” to 2”
  • DN 8-DN 50

Body Material

  • Stainless Steel
  • Carbon Steel
  • Bronze
  • DUctile Iron

End Connection

  • Flanged
  • Threaded
  • Socket Weld


  • Viton/Nomex
  • Buna-N/Nylon
  • Jorlon
  • Stainless Steel

Seat Plug

  • EPDM
  • Hardened 17-4 PH Stainless Steel
  • Viton
  • Buna-N

Flow Coefficient

  • Up to 19 cV

Maximum Inlet Pressure

  • 300 psi

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