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Boiler #3 Aliran Uap Berdasarkan Ukuran Pipa

 

STEAM FLOW BASED ON PIPE SIZE

































METRIC UNITS - Kilogrammes per hour dry saturated steam















PressPIPE SIZE ( Milimetres )

In bar1520253040506580100125150200250300350

0.590.03180.03300.03450.03880.031590.033080.034760.037050.0312700.0315400.0330800.0246200.0268100.0294300.02
STEAMPIPING CAPASITAS ( METRIC )
1.0120.04220.04390.04590.041180.042180.044000.045900.049750.0416300.0422700.0440000.0364300.0394800.03131000.03
2.0160.05330.06550.06880.061770.063060.065450.068400.0614750.0624500.0635000.0661400.0589200.04131000.04182000.04
3.0200.07440.08750.081180.092410.104190.107950.0911800.0819000.0830800.0844000.0881600.07124000.06167000.05232000.05
4.0240.10540.10970.111470.123090.135450.1210400.1215000.1224500.1140800.1156700.11102000.10169000.09235000.08304000.07
5.0290.11670.121160.131800.143590.146250.1411800.1418200.1429500.1347600.1366700.13131000.12203000.11286000.10375000.09
6.0360.12760.141360.152110.164270.167500.1614000.1621300.1634500.1658000.1679500.15150000.14237000.13336000.12445000.11
7.0430.14910.161540.182450.184900.198640.1916500.1924500.1839500.1866000.1893000.17172000.16271000.15386000.14515000.13
8.0480.151040.171820.182720.215450.229560.2218600.2226400.2043000.2072700.20102000.19190000.18305000.17437000.16585000.15
9.0520.181130.202000.243090.256130.2611400.2621800.2630900.2550800.2586500.25122000.23218000.22348000.20500000.19655000.17
10.0570.201230.232220.273360.306680.3012000.3023600.2934000.2855800.2895500.28134000.27250000.26399000.24575000.23761000.21
12.0670.231360.272590.314180.348180.3514500.3529000.3740900.3668500.35115000.35161000.34300000.31475000.29687000.28917000.26
15.0750.291680.333180.395100.4210200.4418200.4536400.4652200.4686000.46143000.46197000.43332000.41590000.39846000.371139000.35
18.0930.352270.403950.466170.4912300.5122700.5243000.5464500.55109000.55177000.55245000.53476000.51741000.491069000.471448000.45
20.01070.382500.444350.506800.5513600.5724600.5947600.6270300.64122000.64200000.64282000.63540000.61854000.591236000.571681000.55
25.01340.472870.545220.618380.6616800.6828900.7154000.7487900.76147000.78242000.76361000.78666000.761060000.741540000.722100000.70
30.01590.563420.646190.729950.7820100.8234500.8564700.89105000.91176000.93289000.93431000.93796000.911271000.891850000.872534000.85
35.01860.663990.757210.8411700.9223700.9840601.0175501.04122001.06204001.08335001.08501001.08927001.061482001.042162001.022964001.00
40.02140.764560.868200.9513201.0326901.1046101.1485501.17139001.20233001.23382001.23571001.231058001.211694001.192475001.173397001.15
42.02210.794700.898470.9913601.0727701.1447501.18119002.20144001.26241001.29397001.29592001.291098001.271758001.252569001.233528001.21

































Note :1 .Figure in blue italics show pressure drops (Bar) for equivalent lengths equal to 360 pipe diameters. When using this allowance should be made for the effects of bonds and fittings in the pipe line.























Example :
360 x Ø = …………………
















Question :
What size pipe will pass 800 Kg/ Hr of dry saturated at 7 bar 50 mm pipe will pass 864 kg/hr at 7 bar (Pressure drop over 18 m. (360 pipe diameters) will be approximately 0.19 Bar)






















2 .All capacity values are based on acceptable pressure drop. Not velocity per unit length of pipe higher pressure drops will result in higher steam velocities and increased noise levels.





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