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SCHEDULE 1 <br />EQUIPMENT CODE <br />R -single ram type preventer with one set of rams, either blank or for pipe. <br />A -annular-type blowout preventer. <br />S -drilling spool with ftonged side outlet connections for bleed-off and kill <br />lines. <br />m -metre <br />METRIC SYMBOLS <br />mm -millimetre <br />EQUIPMENT SYMBOLS <br />Nitrogen Reserve <br />BLOWOUT PREVENTION SYSTEMS <br /> <br />Accumulator <br />V V <br />Flanged Valve Screwed Valve <br />Fill-up <br />Line <br />l Igil41 <br />Bull Plug <br />0 <br />kPa - kilopascal <br />Hydraulic Oil Reservoir <br />Hydraulic Valve Adjustable Choke <br />O -~ <br />Pressure Guage Flow Direction <br />Flow Threaded <br />Line Outlets <br /> <br />Charge Pump <br />Hydraulic Choke <br />` / Flanged Or <br />Studded <br />Outlets <br />Flow Tee Casing Bowls <br />NOTE: <br />A double gate blowout preventer may replace a single gate preventer, but the lowest ram <br />in any stack shall be a pipe ram. <br />Page 1 <br /> <br />