Page 44 - CPVC Fire Sprinkler Products Installation Instructions & Technical Handbook

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TECHNICAL DATA
Table K1 - U.S. Units
Loop Length (70°F to 150°F) ∆T = 80°F
3/4 1.050
1 1.315
1 1/4 1.660
1 1/2 1.900
2 2.375
2 1/2 2.875
3 3.500
Length of Run Feet
Nominal Pipe Size – O.D. & ANSI Inches
Length of Loop - Inches
10 14 15 17 18 20 22 25
20 19 21 24 26 29 31 35
30 23 26 29 31 35 39 43
40 27 30 34 36 41 45 49
50 30 34 38 40 45 50 55
60 33 37 41 44 50 55 60
70 36 40 45 48 53 59 65
80 38 43 48 51 57 63 69
90 40 45 51 54 61 67 74
100 43 48 53 57 64 70 78
120 47 52 59 63 70 77 85
140 50 56 63 68 76 83 92
160 54 60 68 72 81 89 98
Note: Table based on Stress and Modulus of Elasticity at 150°F. Refer to Table K1.
∆T = 80°F, S = 875 psi, E = 3.08 x 105 psi