Mark 85 Series

Company Name : Jordan

Sizes: 1/2″ (DN15) and 3/4″ (DN20) (Note: 1/2″ body can be supplied with reducing bushings for use on 1/ 4″ & 3/8″ fines)

End Connections

  • Threaded – FNPT, BSPT, BSPP
  • Flanged

Body Materials

  • Ductile lron
  • Bronze
  • Carbon Steel
  • Stainless Steel

Trim Materials

  • 303SS for DI, BRZ & CS body valves
  • 316SS for SS body valves

Seat Materials:

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

Yoke Material: Cast lron

Stem Packing Materials: Spring-loaded Teflon (up to 450ºF, 232ºC)


Thermal System

  • Actuator : Cast 1 ron
  • Standard Capillary: 8′ (2,4 m) Cooper
  • Standard Armor : 316SS
  • Optional Temperature Gauge

Note: other sizes and materials available on request (capillaries)

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

Shutoff: ANSI Class IV


  • Direct (increase in temperature clases valve – fails closed)
  • Reverse (increase in temperature opens valve – fails open)

Overheat Protection: 130ºF (54ºC) above the top end of the control range

Body Rating: Ductile lron up to 988 psi (68, 1 bar) and 450ºF (232ºC); Carbon Steel and Stainless Steel up to 1480 psi (102 bar) and 450ºF (232ºC); Bronze up to 500 psi (34,5 bar) and 400ºF (204ºC) depending on specific construction . -20ºF (28,9ºC) temperature limit on all materials; for other tempera­ tures , consult factory

Low Flow Cv’s {Kv’s) Available: reduced Cv’s (Kv’s) can be used in any size valve as long asit is a small­ er value than the standard Cv (kv) for that particular size.

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