DN(mm)
|
Wall Thickness
|
|||||
SN2
SDR33
|
SN4
SDR26
|
SN8
SDR21
|
||||
Min
|
Max
|
Min
|
Max
|
Min
|
Max
|
|
110
|
—
|
—
|
4.2
|
4.9
|
5.3
|
6.1
|
125
|
—
|
—
|
4.8
|
5.5
|
6.0
|
6.9
|
160
|
4.9
|
5.6
|
6.2
|
7.1
|
7.7
|
8.7
|
200
|
6.2
|
7.1
|
7.7
|
8.7
|
9.6
|
10.8
|
250
|
7.7
|
8.7
|
9.6
|
10.8
|
11.9
|
13.3
|
315
|
9.7
|
10.9
|
12.1
|
13.6
|
15.0
|
16.8
|
355
|
10.9
|
12.2
|
13.6
|
15.2
|
16.9
|
19.7
|
400
|
12.3
|
13.8
|
15.3
|
17.1
|
19.1
|
22.2
|
450
|
13.8
|
15.4
|
17.2
|
20.0
|
21.5
|
24.8
|
500
|
15.3
|
17.1
|
19.1
|
22.2
|
23.9
|
27.4
|
630
|
19.3
|
22.5
|
24.1
|
28.0
|
30.0
|
34.7
|
800
|
24.5
|
28.4
|
30.6
|
35.4
|
38.1
|
44.1
|
1000
|
30.6
|
35.4
|
38.2
|
44.2
|
47.7
|
55.1
|
1200
|
36.7
|
42.4
|
45.9
|
53.0
|
57.2
|
66.0
|
1400
|
42.9
|
49.6
|
53.5
|
61.8
|
66.7
|
73.5
|
1600
|
49.0
|
56.6
|
61.2
|
70.6
|
76.2
|
84.0
|
1800
|
54.5
|
60.1
|
69.1
|
76.2
|
85.7
|
94.4
|
2000
|
60.6
|
66.8
|
76.9
|
84.7
|
95.2
|
104.9
|
Characteristics
|
Requirements
|
Test Parameters
|
Test Method
|
|
Ring Stiffness
|
SDR33:≥2KN/m2
SDR26:≥4KN/m2
SDR21:≥8KN/m2
|
Test temperature
Deflection
Deflection speed for
110mm<DN≤200mm
200mm<DN≤400mm
400mm<DN≤800mm
DN>800mm
Tolerance on test speed
|
(23±2)℃
3%
5mm/min
10mm/min
20mm/min
0.03diamm/min
±5%
|
ISO9969
|