High Pressure Angle Control Valve

A 12,000 psi (827 bar) maximum inlet fractional flow control valve. Linear and equal percentage flow characteristics are available with Cv's ranging from 0.5 (0,04 Kv) to 1.25 (1,1 Kv). The Mark 708HPA is available in a variety of end connections and optional materials of construction making it a versatile solution to your most demanding valve requirements.

  • High pressure industrial
  • Research applications
  • Offshore well system chemical injection


  • Aviation & aerospace
  • Chemical, refining & petrochemical
  • Process or industrial
  • Test equipment & services
Features & Benefits
  • Union style body/bonnet connection – provides solid construction and secure connection
  • The metal ‘C’ ring gasket provides excellent sealing without exposing the bonnet threads to the media
  • Mechanically loaded PTFE Chevron heavy duty V ring packing – the adjustable packing arrangement maintains a proper compression, while minimizing excessive friction
  • Rolling diaphragm – ensures that the effective diaphragm area remains relatively constant, regardless of valve stem position
  • Standard with side positioner

Seat Type: Globe – Class IV

Sizes: 1/2″ (DN15)

End Connections: Threaded (FNPT), Autoclave AE, Socket Weld, Integral Tube Nuts

Body Materials: Stainless Steel, Monel, Alloy 20

Cv (Kv): 0.05 to 1.25 (0,04 to 1,1)

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


Product Overview Videos

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Installation and Maintenance Videos

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Mark 708 Series

Precision Control, Fractional Flow Control Valve

Mark 708HP Series

High Pressure Control Valve

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