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Reciprocating Compressor Performance Worksheeet USC
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SERVICESTAGEGAS MOL WT.K VALUE @ 150°FCAPACITY, MMSCFD
ICFM @CYL. FLG.SUCTION PRESS. (CYL. FLG.), PSIADISCHARGE PRESS. (CYL. FLG.), PSIAPRESURE RATIO, R
SUCT. TEMP., R / °FDISCH. TEMP., R / °F
BHP / MMCFD (FIG. 300-5 / 300-6, SHEET 3 / 4)
BHP / MMCFD (S.G.) (FIG. 300-7 / 300-8, SHEET 5 /6 )CORRECTED BHP / MMCFDMOISTURE FACTORNON-LUBE CORRECTION FACTORTOTAL ADJUSTED BHP / MMCFD (EACH STG.)BHP (EACH STG.)TOTAL BHP OF FRAMEFRAME: MFR/MODELSPEED, RPMSTROKE, INCHESPISTON SPEED, FPMROD DIA., INCHESCYLINDERS: DOUBLE / SINGLE ACTINGPISTON DIA., INCHES
DISPLACEMENT RATE, CFM% CLEARANCEVOLUMETRIC EFFICIENCY, %ICFMROD LOAD (GAS ONLY), COMPRESSION, LBSROD LOAD (GAS ONLY), TENSION, LBSREMARKS
RECIPROCATING COMPRESSOR PERFORMANCE PREP'D BY CHK'D BY APP'D BYCALCULATION WORKSHEET AS
Prepared by: Ankur SrivastavaChemical Engineeremail: [email protected]
MMCFD (14.4 PSIA & ts) @CYL. FLG.
INTERSTAGE ΔP, PSI / %
Zs
Zd
Zavg
BHP / MMCFD (Zavg)
DISPLACEMENT, IN3
Fig 300-3 Classes of Reciprocating Compressors and Reference Data
Class Typical HP RangeClass A: 500-10,000 250-600 10-20
Class B: 150-3000 600-1000 5-6
Class C: 20-300 250-600 5-13
Class D: 10-200 800-1500 2.5-4
Nominal Speed Range, RPM
Nominal Stroke Range, inches
API 618 type heavy-duty process gas machine
Often called "separable" are normally used in oil and gas field operations.
Similar to Class A, but the frames are smaller. Used in both process and oil field services.
Smaller light-weight versions of Class B. Usually applied in the oil field.