• Visual Test as per MSS SP-55
  • Dimensional Test:
    • Face-to-face dimensions as per ANSI/ISA-75.08.01, ANSI/ISA-75.08.06, and ASME B16.10.
    • Flange facings and dimensions as per ASME B 16.5
  • Check of Body Marking as per ASME B 16.5, ASME B 16.34, and MSS-SP 25.
  • Chemical analysis and mechanical properties as per the applicable ASTM material code
  • Nondestructive test as per ASME B 16.34
  • Hydrostatic test as per ASME B 16.34 or MSS-SP61
  • Seat leakage test as per ANSI/FCI 70-2.
  • Actuator Leakage Test at 1.5 times maximum design pressure.
  • Functional and Performance test (i.e. hysteresis plus deadband, linearity, repeatability, etc) as per IEC 60534-4 and ISA 75.13.01
  • For electrical accessories (such as solenoid valve, I/P positioner, position transmitter etc):
    • Functional Test
    • Electrical type and routine test as per IEC 61010-1


Applicable Standards and Codes:
MSS SP-55 ~ Quality Standards for Steel Castings for Valves, Flanges, Fittings and Other Piping Components – Visual Method for Evaluation of Surface Irregularities
IEC 60534-3-1 ~ Industrial-Process Control Valves – Part 3-1: Dimensions – Face-to-Face Dimensions for Flanged, Two-Way, Globe-Type, Straight Pattern and Centre-to-Face Dimensions for Flanged, Two-Way, Globe-Type, Angle Pattern Control Valves
ASME B 16.10 ~ Face-to-Face and End-to-End Dimensions of Valves
ASME B 16.5 ~ Pipe flanges and flanged fittings NPS 1/2 through NPS 24 metric/inch standard
ASME B 16.34 ~ Valves – Flanged, threaded and welding ends
MSS-SP61 ~ Pressure Testing of Valves
ANSI/FCI 70-2 ~ Control Valve Seat Leakage
MSS-SP 25 ~ Standard Marking System for Valves, Fittings, Flanges, and Unions
IEC 60534-4 ~ Industrial-Process Control Valves – Part 4: Inspection and Routine Testing
ISA 75.13.01 ~ Method of Evaluating the Performance of Positioners With Analog Input Signals and Pneumatic Output
IEC 61010-1 ~ Safety requirements for electrical equipment for measurement, control, and laboratory use – Part 1: General requirements

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