协羽UPVC管化学建材测试中心测试爆破压力达19.5Mpa
SCH80管路系统
|
size
|
Average outer diameter
|
minimum thickness
|
wo*ng water pressure
|
minimum demolition hydraulic pressure
|
|
|
inch
|
Nominal diameter
|
mm
|
mm
|
psi(kg/cm2)
|
psi(kg/cm2)
|
|
1/2"
|
15
|
21.3
|
3.7
|
850(59.8)
|
2720(191.4)
|
|
3/4"
|
20
|
26.7
|
3.9
|
690(48.5)
|
2200(154.8)
|
|
1"
|
25
|
33.4
|
4.6
|
630(44.3)
|
2020(142.2)
|
|
1+1/4"
|
32
|
42.2
|
4.9
|
520(36.6)
|
1660(116.8)
|
|
1+1/2"
|
40
|
48.3
|
5.1
|
470(33.1)
|
1510(106.8)
|
|
2"
|
50
|
60.3
|
5.5
|
400(28.2)
|
1290(90.8)
|
|
2+1/2"
|
65
|
73.0
|
7.1
|
420(29.6)
|
1360(95.7)
|
|
3"
|
80
|
88.9
|
7.6
|
370(26.0)
|
1200(84.4)
|
|
4"
|
100
|
114.3
|
8.6
|
320(22.5)
|
1040(73.2)
|
|
6"
|
150
|
168.3
|
11.0
|
280(19.7)
|
890(62.6)
|
|
8"
|
200
|
219.1
|
12.7
|
250(17.6)
|
790(55.6)
|
|
10"
|
250
|
273.1
|
15.1
|
230(16.2)
|
750(52.8)
|
|
12"
|
300
|
329.9
|
17.5
|
230(16.2)
|
730(51.4)
|
Schedule 40
|
size |
Average outer diameter
|
minimum thickness
|
wo*ng water pressure
|
minimum demolition hydraulic pressure
|
|
|
inch
|
Nominal diameter
|
mm
|
mm
|
psi(kg/cm2)
|
psi(kg/cm2)
|
|
1/2"
|
15
|
21.3
|
2.77
|
600(42.2)
|
1910(134.4)
|
|
3/4"
|
20
|
26.7
|
2.87
|
480(33.8)
|
1540(108.4)
|
|
1"
|
25
|
33.4
|
3.38
|
450(31.7)
|
1440(101.3)
|
|
1+1/4"
|
32
|
42.2
|
3.56
|
370(26.0)
|
1180(83.0)
|
|
1+1/2"
|
40
|
48.3
|
3.68
|
330(23.2)
|
1060(74.6)
|
|
2"
|
50
|
60.3
|
3.91
|
280(19.7)
|
890(62.6)
|
|
2+1/2"
|
65
|
73.0
|
5.16
|
300(21.1)
|
970(68.3)
|
|
3"
|
80
|
88.9
|
5.49
|
260(18.3)
|
840(59.1)
|
|
4"
|
100
|
114.3
|
6.02
|
220(15.5)
|
710(50.0)
|
|
6"
|
150
|
168.3
|
7.11
|
180(12.7)
|
560(39.4)
|
|
8"
|
200
|
219.1
|
8.18
|
160(11.3)
|
500(35.2)
|
|
◎ UPVC temperature damping
constant
|
◎ CPVC temperature damping
constant
|
注：
1.1kg/cm2 =14.223psi
1Mpa=142.86psi 1BAR=14.5PSI=0.9869大气压1psi=6.9kpa
2..以上压力定律适用于水温23℃,当温度高于23℃时，须视其材料（UPVC或CPVC)
乘以上列温度递减常数。而水以外流体之压力定律并不全然适用上表。
3.采用法兰接合处之工作压力建议不应超过150psi(10kg/cm2),而利用螺纹（牙口）接合处之工作压力建议不应超过该尺寸对应工作压力之50%.
4.CPVC螺纹在流体温度66℃以上时不建议使用。
5.全尺寸SH40管及6"以上SCH80"管建议不可加螺纹。
6.CPVCSCH40
1/2"尺寸热水管经化学建材测试中心”测试，水温在23±2℃时，管材爆破压力高达19.5Mpa
(195.9kg/cm2)
协羽UPVC管化学建材测试中心测试爆破压力达19.5Mpa