Page 46 - CPVC Fire Sprinkler Products Installation Instructions & Technical Handbook
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TECHNICAL DATA
Table L1
Modulus of Elasticity & Stress vs Temperature – U.S. Units
Temperature 73° 80° 90° 100° 110° 120° 140° 150° °F
Modulus of Elasticity “E ” x 105 (psi)
4.23
4.14
3.99
3.85
3.70
3.55
3.23
3.08
Working Stress “S ” (psi)
2,000
1,875
1,715
1,560
1,415
1,275
1,000
875
Table L2
Modulus of Elasticity & Stress vs Temperature – Metric Units
Temperature 25° 30° 35° 40° 45° 50° 60° 65° °C
Figure 7
Modulus of Elasticity (bar)
29166
28545
27511
26546
25512
24477
22271
21237
Working Stress “S” (bar)
137,9
129,3
118,2
107,6
97,6
87,9
69,0
60,3
6" Min. (150 mm)
1/5 L
L
Loop
6" Min. (150 mm)
1/4 L
2/5 L
L
1/4 L
Long Run of Pipe
Change of Direction
Expansion
Expansion Loop and Offset Configurations
1/2 L
Restraint*
L
Offset
Hanger or Guide*
* Hangers should only be placed in the loop, offset, or change of direction as indicated. Piping supports should restrict lateral movement and shall direct axial movement into the expansion loop.
