Page 100 - Applied Process Design for Chemical and Petrochemical Plants Volume I

Fluid Flow 87

Globe Valve, Open
\ Gate Valve
-% Closed

42
AngIe Valve, Open Standard Tee

Swing Check Valve,
Fully Open
(qJ

Close Return Bend
Standard Tee /

Through Side Outlet

--
Standard Elbow or run of J
Tee reduced 1/z

Medium Sweep Elbow o~
run of Tee reduced $4

-
45' EIbow
Long Sweep Elbow or -
run of Standard Tee

Figure 2-20. Equivalent length resistance of valves and fittings to flow of fluids. Note: apply to 2 in. and smaller threaded pipe for process
applications (this author). By permission, Crane Co., Technical Paper #409, Engineering Div., 1942, also see [3].