LowFlow Mark 708HT Series Fractional Flow Control Valves -LowFlow Valve | Linquip

LowFlow Mark 708HT Series Fractional Flow Control Valves

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The cooling fin bonnet option is for the protection of the stem packing from elevated temperatures associated with steam, hot water, and high temperature oil, gas and liquid services (up to 1000°F; 538°C). The finned bonnet cools the area around the packing, which permits the use of standard packing materials that otherwise would not be suitable for the service temperature conditions.
  • For steam, hot water, and high temperature oil, gas and liquid service

  • Provides cooling effect on bonnet, protecting the packing from higher than normal temperature conditions

  • For precise control of higher temperature fractional flow services in pilot plant process applications

  • Cv (Kv): 0.05 to 4.0 (0,04 to 3,4)

  • Ranges: 3-15 or 6-30 psi; split ranges are available with optional top-mounted positioner

LowFlow Mark 708HT Series Fractional Flow Control Valves Specifications:

  • Maximum Temperature (C)

    537.78
  • DN from

    8
  • DN to

    20
  • Pressure Nominal to (bar)

    50
  • Class from

    150
  • Class to

    300
  • NPS from

    0.25
  • NPS to

    0.75
  • Shutoff Class

    ANSI Class IV
  • Connection Type

    Threaded, Socket Weld*, Integral Tube, Welded Flange
  • Body Material
    Carbon Steel, Stainless Steel, Hastelloy C, Monel, Alloy 20, others
  • Other parts' material
    Actuator Materials: Aluminum – 14M Steel – 35M l Diaphragm Material: 14M Actuator: Nylon/Nitrile, Optional 35M Actuator: Buna-N fabric reinforced l Stem Packing Material: Standard – Graphite/Grafoil with positioner on 14M
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