Manual

System Piping
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Fitting or Valve
Iron Pipe Size
1.25 1.5 2 2.5 3 4 5 6
90° Elbow
Threaded
Machined 6.6 7.4 8.5 9.3 11 13
Cast 9 11
ANSI Flanged
Machined 2.1 2.4 3.1 3.6 4.4 5.9 7.3 8.9
Cast 3.6 4.8 7.2
90° Elbow
Long Radius
Threaded
Machined 3.2 3.4 3.6 3.6 4 4.6
Cast 3.3 3.7
ANSI Flanged
Machined 2.0 2.3 2.7 2.9 3.4 4.2 5 5.7
Cast 2.8 3.4 4.7
45° Elbow
Threaded
Machined 1.7 2.1 2.7 3.2 4 5.5
Cast 3.3 4.5
ANSI Flanged
Machined 1.1 1.3 1.7 2 2.6 3.5 4.5 5.6
Cast 2.1 2.9 4.5
Tee - Line
Flow
Threaded
Machined 4.6 5.6 7.7 9.3 12 17
Cast 9.9 14
ANSI Flanged
Machined 1.3 1.5 1.8 1.9 2.2 2.8 3.3 3.8
Cast 1.9 2.2 3.1
Tee - Branch
Flow
Threaded
Machined 8.7 9.9 12 13 17 21
Cast 14 17
ANSI Flanged
Machined 4.4 5.2 6.6 7.5 9.4 12 15 18
Cast 7.7 10 15
Globe Valve
Threaded
Machined 37 42 54 62 79 110
Cast 65 86
ANSI Flanged
Machined 54 59 70 77 94 120 150 190
Cast 77 99 150
Gate Valve
Threaded
Machined 1.1 1.2 1.5 1.7 1.9 2.5
Cast 1.6 2
ANSI Flanged
Machined 2.6 2.7 2.8 2.9 3.1 3.2
Cast 2.3 2.4 2.6
Swing Check
Threaded
Machined 13 15 19 22 27 38
Cast 22 31
ANSI Flanged
Machined 10 12 17 21 27 38 50 63
Cast 22 31 52
Coupling
Machined 0.4 0.4 0.5 0.5 0.5 0.7
Cast 0.4 0.5
Union
Machined 0.4 0.4 0.5 0.5 0.5 0.7
Cast 0.4 0.5