Technology + Certifications

Clarke Valve Dilating DISK™ VALVEs proudly conform or maintain certifications to these respected industry standards.

  • ISO 9001:2015 – Quality Management Systems – Requirements
  • PED 2014/68/EU Annex III, Module H Certificate, CE0036
  • Canadian Registration Number – ABSA CRN (Alberta), ACI CRN (NB, NL, NS, PE, NT, NU, YT), TSSA CRN Approval (Ontario)
  • SIL 3 Certification – IEC 61508:2010 Parts 1-7, CLA 2005077 C001
  • ISO 15848-1 – Industrial Valves – Measurement, test and qualification procedures for fugitive emissions – Part 1: Classification system and qualification procedures for type testing valves
  • ISO 15848-2 – Industrial Valves – Measurement, test and qualification procedures for fugitive emissions – Part 2: Production acceptance test of valves
  • API 641 – Type Testing of Quarter-turn Valves for Fugitive Emissions
  • NACE MR0175 / ISO 15156-1 – Petroleum and natural gas industries – Materials for use in H2S containing environments in oil and gas production
  • ANSI / NACE MR0103 / ISO 17945:2015 – Petroleum, petrochemical and natural gas industries – Metallic materials resistant to sulfide stress cracking in corrosive petroleum refining environments
  • ASME B16.34 – Valves – Flanged, Threaded, and Welded
  • ASME B16.5 – Pipe Flanges and Flanged Fittings
  • ASME B16.10 – Face-to-Face and End-to-End Dimensions of Valves
  • ANSI/FCI 70-2 – Control Valve Seat Leakage
  • ISA-75.05.01-2000 Control Valve Terminology, Globe Valve
  • API 6A – Specification for Wellhead Tree Equipment
  • API 607 – Fire Test for Quarter Turn Valves Equipped with Nonmetallic Seats, External Leakage
  • API 598 – Valve Inspection and Testing
  • ANSI/ISA-75.02.01-2008 – Control Valve Capacity Test Procedure
  • ANSI/ISA-75.17 – Control Valve Aerodynamic Noise Prediction
  • ANSI/ISA-75.01.01 – Flow Equations for Sizing Control Valves
  • IEC 60534-1 Part 1: Control Valve Terminology and General Considerations
  • IEC 60534-2-1 – Flow Capacity – Sizing Equations for Fluid Flow Under Installed Conditions
  • IEC 60534-2-3 – Flow Capacity – Test Procedures
  • IEC 60534-2-4 – Flow Capacity – Inherent Flow Characteristics and Rangeability
  • IEC 60534-7 – Control Valve Data Sheet
  • IEC 60534-8-3 – Noise considerations – Control Valve Aerodynamic Noise Prediction Method
  • IEC 60534-8-4 – Noise Considerations – Prediction of Noise Generated by Hydrodynamic Flow
  • IEC 60534-9 Part 9: Test Procedure for Response Measurements from Step Inputs
  • ISA-RP75.23 – Considerations for Evaluating Control Valve Cavitation
  • BS EN 12266-1-2012 Industrial Valves – Testing of Metallic Valves – Pressure tests, test procedures and acceptance criteria – mandatory requirements
  • ISA-75.05.01-2000 Control Valve Terminology
  • ISA-75.08.01 – Face-to-face Dimensions for Integral Flanged Globe Style Control Valve Bodies (Classes 125, 150,250, 300, and 600)
  • ISA-75.08.06 – Face-to-face Dimensions for Flanged Globe Style Control Valve Bodies (Classes 900,1500, 2500)
  • ISA-75.11.01-1985 Inherent Flow Characteristic and Rangeability of Control Valves
  • ISO 5211 – Industrial Valves – Part Turn Actuator Attachments
  • MIL-DTL-32632 – Valves, Flow Control, Dilating Disk, for Naval Shipboard Water, Oil, and Gas Service
  • MIL-V-24509A – Military Specification – Valves, Flanged, Ball and Plug for Sewage and Sea Water Service
  • MIL-S-901D (NAVY) – Military Specification – Shock Tests (High Impact) Shipboard Machinery, Equipment, and Systems, Requirements For
  • MIL-STD-167-1 (SHIPS) – Department of Defense Test Method – Mechanical Vibrations of Shipboard Equipment (TYPE 1 – Environmental and TYPE II – Internally Excited)
  • MSS SP-55 – Quality Standard for Steel Castings for Valves, Flanges, Fittings, and Other Piping Components – Visual Method for Evaluation of Surface Irregularities
  • MSS SP-61 – Pressure Testing of Steel Valves
  • Hazardous Service – ExdllB T6, Class 1, Div 1, Group C&D T6
  • QQ-N-281D – Federal Specification Nickel Copper Alloy Bar, Rod, Plate, Sheet, Strip, Wire, Forgings, and Structural and Special Shaped Sections

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