![]() ![]() Symbols, abbreviations, or full names for units of length,Īrea, mass, pressure, and other types. You can find metric conversion tables for SI units, as wellĪs English units, currency, and other data. Since atmospheric pressure at sea level is around 14.7 psi, this will be added to any pressure reading made in air at sea level.Ĭonversion calculator for all types of measurement units. Pounds per square inch absolute (psia) is used to make it clear that the pressure is relative to a vacuum rather than the ambient atmospheric pressure. Its official symbol is "bar" the earlier "b" is now deprecated, but still often seen especially as "mb" rather than the proper "mbar" for millibars. The word bar is of Greek origin, báros meaning weight. The bar is a measurement unit of pressure, equal to 1,000,000 dynes per square centimetre (baryes), or 100,000 newtons per square metre (pascals). Psia to bar, or enter any two units below: Enter two units to convert From: Introduction to the schedule terminology of pipes.You can do the reverse unit conversion from Gasket dimensions according ASME B16.5 Pipe Flanges and Flange Fittings. The size of pipes, fittings, flanges and valves are often given in inches as NPS - Nominal Pipe Size, or in metric units as DN - 'Diametre Nominal'. NPS - 'Nominal Pipe Size' and DN - 'Diametre Nominal' Temperature RatingĪSME/ANSI B16.3 Malleable Iron Threaded Fittings - Pressure and Temperature Ratings. Malleable Iron Threaded Fittings - Pressure vs. ![]() Number of studs, diameter and length for ANSI forged steel flanges ranging class 150 to 1500. Maximum working pressures for cast iron threaded pipe fittings according ANSI B16.4. Cast Iron Threaded Pipe Fittings - Working Pressures vs. Pressure (kPa) and temperature ( oC) ratings of ASTM A-106, API 5L and ASTM A-53 Seamless Carbon Steel Pipes - temperatures ranging -29 oC - 450 oC. Carbon Steel Pipes - Pressure and Temperature Ratings, Metric Units Convert Bar to Psi Bar Psi 0. To convert bar to psi, multiply by 14.50377. Pressure (psig) and temperature (deg F) ratings for A-53 B and A-106 B, A333, A334 and API 5L carbon steel pipes - temperatures ranging 100 oF - 700 oF. Bar to Psi is a tool to convert bar to psi. Carbon Steel Pipes - Pressure and Temperature Ratings, Imperial Units Maximum ratings for flanges conforming to ISO Standard 2229 dimensions and material specification AST-A-105. Class numbers are therefore recommended before PN ratings. Carbon Steel Flanges - Pressure and Temperature Ratings 1 bar 1x105 Pa (N/m2) 0.1 N/mm2 10,197 kp/m2 10.20 m H2O 0.98692 atm 14.5038 psi (lbf/in2) PN ratings do not provide a proportional relationship between different PN numbers, whereas class numbers do. Carbon and Stainless Steel Flanges - ASME/ANSI Class 900ĪSME/ANSI B16.5-1996 Pipe Flanges and Flanged Fittings - Class 900 Flanges - outside and inside diameters, bolt circles, numbers and diameters of bolts. Carbon and Stainless Steel Flanges - ASME/ANSI Class 150ĪSME/ANSI B16.5-1996 Pipe Flanges and Flanged Fittings - Class 150 Flanges - outside and inside diameters, bolt circles, numbers and diameters of bolts. Bronze Flanges - ASME/ANSI 300 lbįlange diameters, thickness, bolt circles, numbers and diameter of bolts for ASME/ANSI B16.15 - Cast Bronze Threaded Fittings - 300 lb Bronze - Flanges with plain faces. Bronze Flanges - ASME/ANSI 150 lbįlange diameters, thickness, bolt circles, numbers and diameters of bolts for ASME/ANSI B16.15 - Cast Bronze Threaded Fittings - 150 lb Bronze flanges with plain faces. ASTM Flanges - Hydrostatic Test Pressuresįlanged fittings and required hydrostatic test pressure. ASME B31 Pressure Piping - OverviewĪ survey of one of the most important pressure pipe codes - ASME B31, earlier known as ANSI B31. ASME - American Society of Mechanical EngineersĪSME is one of the leading organizations in the world developing codes and standards. ANSI - American National Standards InstituteĪNSI provides a forum for development of American national standards. Related Documents Aluminum Tubing - Allowable PressureĪllowable pressure for aluminum tubes. Pressure ratings of pipes and tubes and their fittings - carbon steel, stainless steel, plastic, copper and more. Piping codes and standards - ASME, ANSI, ASTM, AGA, API, AWWA, BS, ISO, DIN and more. ![]()
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