2 1 1 T ag Number 2 Service GENERAL 3 Line No. Vessel No. 4 Nozzle ( Full , Semi) 5 Desig n Safety , Rel ief, Saf ety -Rel ief 6 Type 7 Bonn et Typ e 8 9 10 11 12 13 14 15 16 17 18 19 20 21 23 24 22 25 26 27 28 BASIS 29 AND 30 SELECTION 31 32 33 34 CONNECTIONS 35 36 37 38 39 MATERIALS 40 41 42 43 44 45 46 OPTIONS 47 48 49 50 51 PURCHASE 52 53 54 Notes: INSTRUMENT SPECIFICATION Sheet of No. By Date Doc. No.: Rev .: State Molecular Mass Oper. Pressure Set Pressure Oper. Temperature Constant Back Pressure Total Latent Heat of Vapor ization Ratio of Specific Heats Relief Viscosity Barometric Pressure Design Code Sizing Basis Calculated Area Selected Area Orifice Designation Size: Inlet Outlet Rating Facing Body and Bonnet Seat and Rings Resilient Seat Seal Guide and Rings Spring Bellows Cap: Screwed or Bolted Lever: Plain or Packed Test Gag Item NumberRevision Code: 900 PROCESS CONDITIONS Relief Density Compressibility FactorOverpressure Factor% Allowable Overpressure Fluid Required Capacity ManufacturerModel Purchase Order NumberPrice Serial Numberin² Gas Expansion Conventional, Bellow, Pilot Operated RelievingTemperature Variable TEP_PSV * See notes 023-PSV -0001-SP 023-PSV -0001 * * * °C kcal IT/kg Gas/Vaporkg/m³ cP °C
