Page 165 - คู่มือการติดตั้งระบบทำน้ำเย็น

ี่
ภาคท
2
บทท่ 5 งานติิดติ้งระบบท่อนำ และอุปกรณ์์ประกอบ
Initial Pressure (kPa) 237.9 379.2 413.7 448.2 482.6 517.1 551.6 586.1 620.5 655 690
237.9 34.5 69 103.4 137.9 172.4 206.8 241.3 275.8 310.3 344.7 379.2
475.8 15.2 9 7.6 6.8 6.2 5.8 5.5 5.3 5.1 4.9 5
713.6 18.4 10.8 8.7 7.8 7.2 6.7 6.4 6.1 5.9 5.7 5.5
947.4 21.6 12.6 9.9 8.8 8.1 7.5 7.1 6.8 6.5 6.3 6.1
1181.2 24.8 14.3 11 9.7 9 8.4 7.9 7.6 7.3 7 6.8
1415 28 16.1 12.2 10.6 9.9 9.3 8.7 8.3 8 7.7 7.4
1648.8 31.2 17.9 13.3 11.5 10.7 10.1 9.5 9.1 8.7 8.4 8.1
1882.6 34.4 19.6 14.4 12.4 11.6 10.9 10.3 9.8 9.4 9.1 8.8
2116.4 37.6 21.4 15.6 13.3 12.5 11.7 11 10.5 10.1 9.7 9.4
2350.2 40.8 23.2 16.7 14.2 13.3 12.5 11.8 11.2 10.7 10.3 9.9
2584 44 25 17.8 15.1 14.2 13.3 12.6 12 11.4 11 10.6
2817.8 47.2 26.7 18.9 16 15 14.1 13.4 12.7 12.2 11.7 11.2
3051.6 50.4 28.5 20.1 16.9 15.9 14.9 14.1 13.4 12.8 12.3 11.8
3285.4 53.6 30.3 21.2 17.8 16.7 15.7 14.9 14.1 13.4 12.9 12.4
3519.2 56.8 32.1 22.3 18.7 17.6 16.5 15.6 14.8 14.1 13.5 13
3753 60 33.8 23.4 19.6 18.4 17.3 16.4 15.5 14.7 14.1 13.6
3986.8 63.2 35.6 24.6 20.5 19.3 18.1 17.1 16.2 15.4 14.7 14.2
4220.6 66.4 37.4 25.7 21.4 20.1 18.9 17.9 16.9 16 15.3 14.8
4454.4 69.6 39.2 26.8 22.3 21 19.7 18.6 17.6 16.7 15.8 15.4
Pressure Increase-kpa
Initial
Pressure
(kpa)
34.47 68.95 103.42 4.2 4.5 4.8  รููปที่่ 2.5.30 ตััวคูณปรูับค่า (correction factors)
4.1 4.4 4.7 Initial Pressure+ Pressure Increase = Maximum Operating Pressure
55 60 65 70 75 80 85 90 95 100
4.5 3.9 3.9 3.8 3.8 3.7 4.3 4.2 4 4 3.9 3.9 3.8 3.7
3.7 3.8
4.5 4.4 4.3 4.2 4.1 4.1 4 3.9
137.9 5 4.9 4.8 4.6 4.5 4.4 4.3 4.2 4.2 4.1
172.37 5.3 5.1 4.7 206.84 5.6 5.4 241.32 5.9 5.7 275.79 6.2 5.9 310.26 6.4 6.2 344.74 6.7 6.4 5 4.8 5.2 5 4.9 5.5 5.3 5.1 5.7 5.5 5.3 6 5.8 5.5 6 5.8 4.6 4.5 4.4 4.3 4.3
4.8 4.7 4.6 4.5 4.5
5 4.9 4.8 4.7 4.6
5.2 5.1 5 4.9 4.8
5.4 5.2 5.1 5 4.9
6.2 5.6 5.5 5.3 5.2 5.1
379.21 7 6.7 6.4 6.2 6 5.8 5.6 5.5 5.4 5.2
413.69 7.3 6.9 6.6 6.4 6.2 6 5.8 5.7 5.5 5.4
448.16 7.6 7.2 6.9 6.6 6.4 6.2 6 5.8 5.7 5.5
482.63 7.9 7.5 7.2 6.9 6.6 6.4 6.2 6 5.9 5.7
517.11 8.2 7.8 7.4 7.1 6.8 6.6 6.4 6.2 6 5.9
551.58 8.4 8 7.7 7.3 6.6 6.4 586.05 8.7 620.53 655 9.3 8.3 9 8.6 8.8 7.9 8.2 8.4 7.6 6.5 7.8 8.1 689.48 9.5 9 8.6 8.3 7 6.8 7.3 7.5 7.8 7 6.8 7.2 7 6.8 7.5 7.2 8 7.7 7.4 6.2 6
6.4 6.2
6.5 6.4
7 6.8 6.6
7.1 6.9 6.7
 รููปที่่ 2.5.31 ตััวคูณปรูับค่า (correction factors)
 151 