Mark 701 Series

Company Name : Jordan

Sizes: (note: 1/4″ & 3/8″ sizes use 1/2″ body with reducers)
  • Mark 70/70PG: 1/4″ through 2″ (DN8 through DN50)
  • Mark 707: 1/2″ through 6″ (DN8 through DN150)
  • Mark 711: 2-1/2″ through 6″ (DN65 through DN150)
End Connections
  • Threaded (NPT, BSPT, BSPP – through 2″ sizes/DN50)
  • ANSI Flanges (150#, 300#)
  • DIN Flanges (PN10/16 , PN25/40)
Body Materials
  • Ductile lron
  • Bronze ( 1/2″ – 2″/DN 15 – DN50)
  • Carbon Steel (WCB)
  • Stainless Steel (CF8M)
Trim Materials
  • 303SS for CI and DI body valves
  • 316SS for SS body valves
Seat Materials
  • Jorcote on SST – standard

Specifications

Yoke Material: Cast lron

Actuator: Steel

Diaphragm: Buna-N (standard to 200ºF/93ºC)

Stem Packing: Buna-N (standard to 200ºF/93ºC)

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

Shutoff: ANSI Class IV

Ranges

  • Mark 70/707/711: 3-15 , 3-9 , 9-15, 6-30 psi
    (0,21-1,03; 0,21-0,62; 0,62-1,03; 0,41-2,07 bar)
  • Mark 70PG: consult factory for ranges

Action

  • Direct (air signal clases valve)
  • Reverse (air signal opens valve)

Positioner: side or top-mounted positioners are avail­ able 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. See the Positioner section for more details.

Rangeability

  • MK70 : 1/2″ – 1-1/2″, 100:1
  • MK70: 211>200: 1
  • MK711: 2-1/2″ – 3″, >200:1
  • MK711: 4″ – 6″, 100:1
  • MK707: all sizes 100: 1

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