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We offer the world’s largest portfolio of proven high-performance flow control systems, backed by the ongoing development of industry-leading innovations.

Linear Globe/Angle Control Valves - Mark One

The Valtek Mark One globe control valve offers superior performance in liquid and gaseous services, while also permitting easy, fast and inexpensive maintenance. The spring-cylinder actuated Mark One valve provides stiffness and maintains high positioning accuracy, repeatability, controlled high speed, and faithful response.

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  • Small, compact, lightweight body and actuator package
  • Stiff and high-thrust cylinder actuator offers position accuracy, repeatability, and assured response
  • Broad solutions envelope with significant flexibility

  • IS0 9001:2008
  • PED Directive 97/23/EC
  • ATEX QAN Quality Registration
  • IECEX QAR Quality Registration
  • SIL Certification
  • CRN Certification (Canadian Registration)
  • EMC Directive 2004/108/EC
  • ATEX Directive 94/9/EC
  • CE Mark
  • SSOV (FM Safety Shut-off Valve Fuel Service)
  • API 607 Fire Safe


Electronic Certifications for Logix Positioners Mounted on Mark Series Valves

  • CSA
  • FM
  • SIRA
  • TR CU
  • INMETRO
  • TESTSAFE
  • KOSHA
  • CCOE


Design and Material Standards for Mark Series Valves

  • ASTM B16.5
  • ASTM B16.9
  • ASTM B16.10
  • ASTM B16.11
  • ASTM B16.25
  • ASTM B16.34
  • ASTM A (material)
  • ASTM SA (material)

Size Range: 0.5 to 36

Pressure Class Range: 150 to 4500

Seating Material: 

  • 300 series s.s.
  • 400 series s.s.
  • Alloy 6 & 21 overlay
  • Monel
  • Hastelloy
  • Inconel
  • Other materials
  • PTFE soft seat

Severe Service Solutions:

Applications requiring noise abatement:

  • MegaStream
  • Stealth

Applications requiring cavitation control:

  • CavControl
  • ChannelStream
  • DiamondBack
  • SideWinder

Globe Control Valve

High Performance

Severe Service

Anti-Cavitation

Noise Abatement

Errosion Control

Fugitive Emissions

Documents & Support

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