API 6FC : 2009

1 Scope
2 Description of Fire Test
3 Test Procedure
  3.1 Stepwise Procedures
  3.2 Test Adjustments
4 Performance Requirements
  4.1 Through Leakage (High Test Pressure) - During Burn
      Period
  4.2 External Leakage (High Test Pressure) - During Burn
      and Cooldown Period (Valve in Closed Position)
  4.3 Through Leakage (Low Test Pressure) - After Cooldown
  4.4 External Leakage (Low Test Pressure) - After Cooldown
      (Valve in Closed Position)
  4.5 External Leakage (High Test Pressure) - During the Backseat
      Test and Rework of the Stuffing Box
  4.6 Operation of Test Valve After Fire Test
  4.7 External Leakage - Open Position
  4.8 Pressure Relief Provision
  4.9 Tests Required
5 Certification
6 Safety Considerations
  6.1 Personnel Protection
  6.2 Pressure Relief Provision
7 Equipment Marking

Describes the requirements for testing and evaluating the pressure-containing performance of API Specification 6A and API Specification 6D automatic backseating valves when exposed to fire.