api2000Use the following API 2000 calculator to determine the Tank Blanketing Regulator Flow (PRV – padding) or Vapor Recovery Regulator Flow (BPRV – depadding).API 2000 – 6th Edition (Appendix A = API 5th edition) • Tank volume • Liquid flow (pump-in-out) • Pump out • Temperature change • Average storage temperature • Vapour pressure • Latitude