|
Characteristics |
Requirements |
|
Hydrostatic strength 20℃,100h PE100 12.4Mpa PE80 9.0Mpa |
No damage, no leakage |
|
Elongation at break |
≥300% |
|
Antistatic properties The average surface resistance of water supply and drainage pipes Ω, 3°C, 65% relative humidity |
≤1.0×109 |
|
Antistatic properties Positive pressure ventilation, spray pipe inner and outer surfaces Resistance average Ω, 23°C, 65% relative humidity |
≤1.0x108 |
|
Antistatic properties The average surface resistance of the gas tube Ω, 23°C, 65% relative humidity |
≤1.0x1O6 |
|
Antistatic properties Average resistance through the inner surface of the tube Ω, 23°C, 65% relative humidity |
≤1.0x1O6 |
|
Longitudinal retraction rate (110°C) |
≤3% |
|
Flame retardant properties Alcohol lamp burning time 3+1,3+2,4+1 Flame height: 150mm Temperature: 960°C |
Flame burns a single root≤10S 6 roots≤18S |
|
Flameless burning of a single root≤60S 6 roots≤120S |
|
Nominal wall thickness of mine pipe |
||||||||
|
Nominal outside diameter (mm) |
0.1MPa |
0.6MPa |
0.8MPa |
1.0MPa |
1.25MPa |
1.6MPa |
2.0MPa |
2.5MPa |
|
Minimum wall thickness (mm) |
||||||||
|
12 |
2.0 |
2.0 |
||||||
|
16 |
2.0 |
2.2 |
2.7 |
|||||
|
20 |
2.0 |
2.3 |
2.8 |
3.4 |
||||
|
25 |
2.0 |
2.3 |
2.8 |
3.5 |
4.2 |
|||
|
32 |
2.0 |
2.4 |
2.9 |
3.6 |
4.4 |
5.4 |
||
|
40 |
2.0 |
2.4 |
3.0 |
3.7 |
4.5 |
5.5 |
6.7 |
|
|
50 |
2.3 |
3.0 |
3.7 |
4.6 |
5.6 |
6.9 |
8.3 |
|
|
63 |
2.9 |
3.8 |
4.7 |
5.8 |
7.1 |
8.6 |
10.5 |
|
|
75 |
3.4 |
4.5 |
5.6 |
6.8 |
8.4 |
10.3 |
12.5 |
|
|
90 |
2.0 |
4.1 |
5.4 |
6.7 |
8.2 |
10.1 |
12.3 |
15.0 |
|
110 |
2.2 |
5.0 |
6.6 |
8.1 |
10.0 |
12.3 |
15.1 |
18.3 |
|
125 |
2.4 |
5.7 |
7.4 |
9.2 |
11.4 |
14.0 |
17.1 |
20.8 |
|
140 |
2.7 |
6.4 |
8.3 |
10.3 |
12.7 |
15.7 |
19.2 |
23.3 |
|
160 |
3.1 |
7.3 |
9.5 |
11.8 |
14.6 |
17.9 |
21.9 |
26.6 |
|
180 |
3.5 |
3.2 |
10.7 |
13.3 |
16.4 |
20.1 |
24.6 |
29.9 |
|
200 |
3.9 |
9.1 |
11.9 |
14.7 |
18.2 |
22.4 |
27.4 |
33.2 |
|
225 |
4.4 |
10.2 |
13.4 |
16.6 |
20.5 |
25.2 |
30.8 |
37.4 |
|
250 |
4.9 |
11.4 |
14.8 |
18.4 |
22.7 |
27.9 |
34.2 |
41.5 |
|
280 |
5.5 |
12.7 |
16.6 |
20.6 |
25.4 |
31.3 |
38.3 |
46.5 |
|
315 |
6.2 |
14.3 |
18.7 |
23.2 |
28.6 |
35.2 |
43.1 |
52.3 |
|
355 |
7.0 |
16.1 |
21.1 |
26.1 |
32.2 |
39.7 |
48.5 |
59.0 |
|
400 |
7.8 |
18.1 |
23.7 |
29.4 |
36.3 |
44.7 |
54.7 |
|
|
450 |
8.8 |
20.4 |
26.7 |
33.1 |
40.9 |
50.3 |
61.5 |
|
|
500 |
9.8 |
22.7 |
29.7 |
36.8 |
45.4 |
55.8 |
||
|
560 |
11.0 |
25.4 |
33.2 |
41.2 |
||||
|
630 |
12.3 |
28.6 |
37.4 |
46.3 |
||||
|
710 |
13.9 |
32.3 |
42.1 |
52.2 |
||||
|
800 |
15.7 |
364 |
47.4 |
58.8 |
||||
|
900 |
17.6 |
40.9 |
53.3 |
|||||
|
1000 |
19.6 |
45.4 |
59.3 |
|||||
