Heavy Duty Balanced Opposed Compressors - Ariel Corporation

FOR MODELS: JGZ AND JGU SECTION 7 - APPENDICES
TABLE 7-1 SI METRIC CONVERSION
Flow - Gas
• Million standard cubic feet/day or MMSCFD (at 14.696 psia & 60°F) x
0.310 = normal meter 3 /second (at 1.01325 bar & 0°C), or m 3 /s n
• Standard cubic feet/minute or SCFM (at 14.696 psia & 60°F) x 1.607 =
normal meter 3 /hour (at 1.01325 bar & 0°C), or m 3 /h n
• US gallons per minute or GPM x 0.0630902 = liter/second or L/s =
Flow - Liquid dm3 /s
• US gallons per minute or GPM x 0.227125 = meter3 /hour or m3 /h
Force • lbf or pound (force) x 4.44822 = Newton or N
Heat • British Thermal Units or BTU x 1.05506 = kilojoule or kJ
Length
• inches or in or " x 25.4000 = millimeters or mm
• feet or ft x 0.304800 = meter or m
Mass • pound (mass) or lb m x 0.453592 = kilogram or kg
Moment or Torque
Power
(Horsepower based
on 550 ft-lb/sec.)
Pressure or Stress
G or g suffix = gauge
pressure;
A or a = absolute;
D or d = differential
• Lb x Ft or pound-foot (force) x 1.35583 = Newton-meter or N·m
• Lb x In or pound-inch (force) x 0.112985 = Newton-meter or N·m
• Horsepower or HP x 0.745700 = kilowatt or kW
• psi x 6894.757 = Pascal or Pa • bar x 100 = kPa
• Pa x 0.000145 = psi • kPa x 0.01 = bar
• psi x 6.894757 = kiloPascal or kPa• psi x 68.94757 = millibar or mbar
• kPa x 0.145 = psi • mbar x 0.0145 = psi
• bar x 100 000 = Pa • psi x 0.06894757 = bar
• Pa x 0.00001 = bar • bar x 14.5 = psi
• feet per minute or FPM x 0.005080 = meter per second or m/s
Speed • revolutions per minute or RPM or r/min x 60 = revolutions per second
or rev/s
Temperature • (degrees Fahrenheit or °F - 32) ÷ 1.8 = degrees Celsius or °C
Time
Viscosity (Dynamic)
• sec or s = second • hour or hr or h x 60 = min
• minute or min x 60 = s • h x 3600 = s
• Saybolt Universal seconds or SUS or SSU x 0.22 - (180 ÷ SUS) =
mm 2 /s = centistoke or cSt (for a range of 33 through 200,000 SUS)
TABLE 7-2 USEFUL SI METRIC MULTIPLE AND SUBMULTIPLE FACTORS
FACTOR PREFIX SI SYMBOL (Maintain Case)
1 000 000 = 106 mega M
1 000 = 103 kilo k
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