Mark 61 Series

Company Name : Jordan

Sizes: (note: 1/4″ & 3/8″ sizes use 1/2″ body with reducers)

  • Mark 60: 1/4″ – 4″ (DN8 – DN100)
  • Mark 600C: 1/4″ – 2″ (DN8 – DN50)
  • Mark 61 : 1/4″ – 3/4″ (DN8 – DN20)
  • Mark 60HP: 1/4″ – 4″ (DN8 – DN100)

End Connections

  • Threaded – FNPT, BSPT, BSPP (1/2″ – 2″ only)
  • ANSI Flanges (150#, 300#)
  • DIN Flanges (PN 10/ 16, PN 25/40)

Spring Housing

  • DI – 1/4″ – 2″ (DN8 – DN50)
  • Dl/Steel – 2-1/2″ – 4″ (DN65 – DN100)

Body Materials

  • Ductile lron
  • Bronze (1/2″ – 2″; DN15 – DN50)
  • Carbon Steel (A216 WCB)
  • Stainless Steel (A351/CF8M)

Trim Materials

  • 303SST – Standard on Ductile lron, Bronze, Car- bon Steel valves
  • 316SST – Standard on Stainless Steel valves
  • Monel, Hastelloy and other Alloys available

Reduced Pressure Control Ranges: Select a range to match your setpoint. For optimal performance, your setpoint should fall in the upper portian of the selected range.

Seat Materials:

  • Jorcote on SST – Standard
  • Other materials available – Consult factory

Specifications

Diaphragm Materials

  • Jorlon – Standard
  • Stainless Steel – Standard
  • Buna-N – Standard
  • Vitan – Optional

Service: Steam, water, oil , gas, air and chemicals

Shutoff: ANSI Class IV

Options:

  • Double Bolting: increases the pressure rating of the valve and ensures a tight seal between the spring housing and the body for services with high inlet pressures
  • High Pressure Spring Housing: The HP option is an elongated spring housing that features a
    large spring for high pressure setpoints (up to 450 psi/31bar)
  • Handwheel: the H option is a handwheel that is mounted on the adjusting screw to allow for easy setpoint changes
  • Exotic Alloys: where service conditions dictate the use of specialty materials, the Mark 60 Series can be produced with bodies, trim and seats in Monel, Alloy 20, Hastelloy B, Hastelloy C, Titanium and others
  • GP Option: grain processing modif ication for starch cookers and other viscous services. Available on Stain­ less Steel valves in 1/4″ – 2″ sizes only (DN8 – DN50)
  • Cryogenic Service: CR option is a special spring housing for use if valve is in cryogenic service

Rangeability:

  • Equal percentage or equal-linear : 60:1
  • Linear: 30: 1

Low Flow Cv’s: reduced Cv’s (Kv’s) are available . Cv (Kv) ratings of smaller sized valves can be supplied in a larger valve size

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