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Mark 8000 Series Heavy Duty Control Valves

Brand: LowFlow Valve
Does not ship to OH, United States
The Mark 8000 Series is a group of heavy duty control valves specifically designed for process applications requiring full flow or fractional flow control.

Available with a wide selection of body sizes and styles, this valve can be configured in 2-way or 3-way designs, for diverting or mixing service and with globe or angle valve style seats.
Features
  • Totally enclosed multi-spring actuator which minimizes deadband and is field reversible
  • Wide range of positioners and actuators
  • Heavy-duty barstock construction for pressures up to 6000 psi (414 bar)
  • Available in Kynar, PVC and CPVC
  • Specialty alloys are readily available
  • In-line design to 2″ (DN50); angle pattern up to 1″ (DN25)
  • In-line maintainable for quick, easy trim repairs
The Mark 8000 Series is a group of heavy duty control valves specifically designed for process applications requiring full flow or fractional flow control.

Available with a wide selection of body sizes and styles, this valve can be configured in 2-way or 3-way designs, for diverting or mixing service and with globe or angle valve style seats.
Features
  • Totally enclosed multi-spring actuator which minimizes deadband and is field reversible
  • Wide range of positioners and actuators
  • Heavy-duty barstock construction for pressures up to 6000 psi (414 bar)
  • Available in Kynar, PVC and CPVC
  • Specialty alloys are readily available
  • In-line design to 2″ (DN50); angle pattern up to 1″ (DN25)
  • In-line maintainable for quick, easy trim repairs
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Specifications

Brand

Sizes

  • 1/2” to 2”
  • DN 15 to DN 50

End Connections

  • NPT
  • BSPT
  • Raised-face Flanges: ANSI, DIN, JIS
  • Ring-Type Joint Flanges
  • Socket Weld: Schedule 40,60 or 160
  • Bolt-Thru Flanged: Plastic Body Only

Body Style

  • 2-Way Angle
  • 3-Way Globe
  • 2-Way Globe

Bonnet Type

  • Standard Screwed
  • 8” Extended
  • Multi-ply Bellows Seal
  • Extended Multi-ply Bellows Seal

Trim Material

  • Hastelloy C
  • Alloy 20
  • Satellite
  • Kynar
  • PVC
  • Monel
  • 316 Stainless Steel/Stellite
  • 316 Stainless Steel Seat & Stem/17-4 pH Stainless Steel Plug
  • 316 Stainless Steel Seat, Stem & Plug

Actuator Material

  • Steel
  • Nickel-Plated Steel
  • 304 Stainless Steel

Diaphragm Material

  • Buna-N
  • Nylon

Shutoff

  • Standard: ANSI Class III or ANSI Class IV
  • Optional: ANSI Class CI with Soft RPTFE Seats

Ranges

  • 3-15 psi
  • 6-30 psi

Action

  • Direct
  • Reverse
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