Chapt06

There are many different valve designs in commercial

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Unformatted text preview: Resistance Coefficients K hm/[V2/(2g)] for Open Valves, Elbows, and Tees Nominal diameter, in Screwed 1 2 | v v Valves (fully open): Globe Gate Swing check Angle Elbows: 45° regular 45° long radius 90° regular 90° long radius 180° regular 180° long radius Tees: Line flow Branch flow | Flanged 1 2 4 14 0.30 5.1 9.0 8.2 0.24 2.9 4.7 6.9 0.16 2.1 2.0 5.7 0.11 2.0 1.0 0.39 0.32 0.30 0.29 2.0 1.0 2.0 1.5 0.72 1.5 0.95 0.41 0.95 0.90 2.4 0.90 1.8 0.90 1.4 e-Text Main Menu | 1 2 4 8 13 0.80 2.0 4.5 8.5 0.35 2.0 2.4 6.0 0.16 2.0 2.0 5.8 0.07 2.0 2.0 5.5 0.03 2.0 2.0 0.64 0.23 0.64 0.21 0.50 0.40 0.41 0.40 0.20 0.39 0.30 0.35 0.30 0.19 0.30 0.19 0.30 0.21 0.16 0.26 0.15 0.25 0.15 0.14 0.21 0.10 0.20 0.10 0.90 1.1 0.24 1.0 0.19 0.80 0.14 0.64 0.10 0.58 0.07 0.41 Textbook Table of Contents | Study Guide 20 6.7 Minor Losses in Pipe Systems 369 ting, and two tee connections. Fittings may be connected by either internal screws or flanges, hence the two listings. We see that K generally decreases with pipe size, which is con...
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This note was uploaded on 10/27/2009 for the course MAE 101a taught by Professor Sakar during the Spring '08 term at UCSD.

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