1、公制與英制換算表(適用于閥門) 公稱通徑Size 英寸In. 1/81/43/81/23/411 1/41 1/222 1/233 1/2456810121416毫米DN4610152025324050658090100125150200250300350400英寸In. 18202426283032343642485460647280848896毫米DN 4505006006507007508008509001050120013501500160018002000210022002400符號Symbol被乘數(shù)Multiply 乘數(shù)By 積To Obtain符號Symbol 長度Length

2、In.英寸Inches2.54公分CentimetersCm.Ft.英尺Feet30.48公分CentimetersCm.Mm.毫米Millimeters0.03937英寸InchesIn.Cm.公分Centimeters0.3937英寸InchesIn.m.米(公尺)Meters3.2808英尺FeetFt.質(zhì)量(重量) Mass Oz.盎司Ounces28.35克GramsG.Lb.磅Pound0.4536公斤KilogramsKg.G.克Grams0.03527盎司OuncesOz.Kg.公斤Kilograms2.205磅PoundLb.符號Symbol被乘數(shù)Multiply 計算公式E

3、xpression計算結(jié)果To Obtain符號Symbol 溫度Temperature oF華氏Fahrenheit(oF - 32) x 5 9攝氏CelsiusoCoC攝氏CelsiusoC x 9 5 + 32華氏FahrenheitoF符號Symbol被乘數(shù)Multiply 乘數(shù)By 積To Obtain符號Symbol 面積Area In.2平方英寸Square Inches6.45平方公分Square CentimetersCm.2Ft.2平方英尺Square Feet0.0929平方米Square MetersM.2Cm.2平方公分Square Centimeters0.155

4、平方英寸Square InchesIn.2體積(容積)Volume Fl. Oz.流體盎司Fluid Ounces29.5625毫升MillilitersMl.Qt.夸脫Quart0.946公升LitersL.Gal.加侖Gallons3.785公升LitersL.Ft.3立方英尺Cubic Feet0.0283立方米Cubic MetersM.3Ml.毫升Milliliters0.0338流體盎司Fluid OuncesFl. Oz.L.公升Liters1.0571夸脫QuartQts.L.公升Liters0.2642加侖GallonsGal.M.3立方米Cubic Meters35.34立

5、方英尺Cubic FeetFt.3In.3立方英寸Cubic Inches5.787 x 10- 4立方英尺Cubic FeetFt.3Ft.3立方英尺Cubic Feet1728立方英寸Cubic InchesIn.3Ft.3立方英尺Cubic Feet7.48052美制加侖Gallons (US Lig)Gal.壓力Pressure PSI磅/平方英寸Pounds Per Sq. In.0.069Bar無符號(no symbol)PSI磅/平方英寸Pounds Per Sq. In.6.89千帕KilopascalsKpaPSI磅/平方英寸Pounds Per Sq. In.0.07公斤/

6、平方公分Kilogram Per Sq. CentimeterKg/Cm.2Lb./Ft.2磅/平方英尺Pounds Per Sq. Ft.4.88公斤/平方米Kilogram Per Sq. MeterKg/M.2Kpa千帕Kilopascals0.145磅/平方英寸Pounds Per Sq. In.PSIKg/Cm.2公斤/平方公分Kilogram Per Sq. Centimeter14.22磅/平方英寸Pounds Per Sq. In.PSI無符號(no symbol)Bar14.5磅/平方英寸Pounds Per Sq. In.PSI氣壓Atmospheres29.92英寸汞柱（

7、零攝氏度）Inches of Mercury (at 0 oC)氣壓Atmospheres14.7磅/平方英寸Pounds Per Sq. In.英尺水柱Feet of Water0.4335磅/平方英寸Pounds Per Sq. In.英寸汞柱Inches of Mercury0.4912磅/平方英寸Pounds Per Sq. In.磅/平方英寸Pounds Per Sq. In.2.307英尺水柱Feet of Water磅/平方英寸Pounds Per Sq. In.2.036英寸汞柱Inches of Mercury壓力等級Class和公稱壓力對照表ASME磅級ASME Class

8、 15030040060080090015002500公稱壓力MPa0.6 MPa1.0 MPa1.6 MPa2.0 MPa2.5 MPa4.0 MPa5.0 MPa 6.4 MPa10.0 MPa-15.0 MPa25.0 MPa42.0 MPa公稱壓力PNPN6PN10PN16PN20 PN25PN40PN50 PN6.4PN100-PN150PN250PN420閥門公稱壓力系列 MPa (bar)0.05(0.5)0.1(1.0)0.25(2.5)0.4(4.0)0.6(6.0)0.8(8.0)1.0(10.0)1.6(16.0)2.0(20.0)2.5(25.0)4.0(40.0)5.

9、0(50.0)6.3(63.3)10.0(100.0)15.0(150.0)16.0(160.0)20.0(200.0)25.0(250.0)28.0(280.0)32.0(320.0)42.0(420.0)50.0(500.0)63.0(630.0)80.0(800.0)100.0(1000.0)125.0(1250.0)160.0(1600.0)200.0(2000.0)250.0(2500.0)335.0(3350.0)符號Symbol被乘數(shù)Multiply 乘數(shù)By 積To Obtain符號Symbol 流量Flow 立方英尺/分Cubic Feet/Min.62.43磅（水）/分Pounds of Water/Min.立方英尺/秒Cubic Feet/Sec.448.831加侖/分Gallons/Min. 立方米/小時m3/hr4.403美制加侖/分US GPM功率Power 馬力Horsepower33,000英尺磅/分Ft.-Lb./Min.馬力Horsepower550英尺磅/秒Ft.-Lb./Sec.馬力Horsepower745.7瓦Watts英尺磅/秒Ft.-Lb./Sec.4.6263英國熱量單