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Ginde Plastic Pipe Industry
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Form 1:the Nominal Pressure and Specifications
| Nominal Diameter(de) |
Wall Thickness(e) |
| Nominal Pressure(PN) |
|
0.6MPa |
0.8MPa |
1.0MPa |
1.25MPa |
1.6MPa |
|
20 |
|
|
|
|
2.0 |
|
25 |
|
|
|
|
2.0 |
|
32 |
|
|
|
2.0 |
2.4 |
|
40 |
|
|
2.0 |
2.4 |
3.0 |
|
50 |
|
2.0 |
2.4 |
3.0 |
3.7 |
|
63 |
2.0 |
2.5 |
3.0 |
3.8 |
4.7 |
|
75 |
2.2 |
2.9 |
3.6 |
4.5 |
5.6 |
|
90 |
2.7 |
3.5 |
4.3 |
5.4 |
6.7 |
|
110 |
3.2 |
3.9 |
4.8 |
5.7 |
7.2 |
|
125 |
3.7 |
4.4 |
5.4 |
6.0 |
7.4 |
|
140 |
4.1 |
4.9 |
6.1 |
6.7 |
8.3 |
|
160 |
4.7 |
5.6 |
7.0 |
7.7 |
9.5 |
|
180 |
5.3 |
6.3 |
7.8 |
9.6 |
10.7 |
|
200 |
5.9 |
7.3 |
8.7 |
9.6 |
11.9 |
|
225 |
6.6 |
7.9 |
9.8 |
10.8 |
13.4 |
|
250 |
7.3 |
8.8 |
10.9 |
11.9 |
14.8 |
|
280 |
8.2 |
9.8 |
12.2 |
13.4 |
16.6 |
|
315 |
9.2 |
11.0 |
13.7 |
15.0 |
18.7 |
|
355 |
9.4 |
12.5 |
14.8 |
16.9 |
21.1 |
|
400 |
10.6 |
14.0 |
15.3 |
19.1 |
23.7 |
|
Remarks:Nominal pressure is the working pressure of pipe which transports water under the situation of 20°C.If water temperature is between 25°C--45°C,please revise working pressure according to the descend coefficient to different temperature in Form 2. |
Form 2: the Descend Coefficient of Different Temperature
|
Temperature(°C) |
0＜t≤25 |
25＜t≤35 |
35＜t≤45 |
|
Descend Coefficient(f) |
1 |
0.8 |
0.63 |
Form 3:the Average Outer Diameter,Deviation and Uncircle Extent.(mm)
| Average Outer Diameter |
Uncircle Extent |
Average Outer Diameter |
Uncirle Extent |
|
Nominal Outer Diameter |
Allowed Deviation |
Nominal Outer Diameter |
Allowed Deviation |
|
20 |
+0.3
0 |
1.2 |
140 |
+0.5
0 |
2.8 |
|
25 |
+0.3
0 |
1.2 |
160 |
+0.5
0 |
3.2 |
|
32 |
+0.3
0 |
1.3 |
180 |
+0.6
0 |
3.6 |
|
40 |
+0.3
0 |
1.4 |
200 |
+0.6
0 |
4.0 |
|
50 |
+0.3
0 |
1.4 |
225 |
+0.7
0 |
4.5 |
|
63 |
+0.3
0 |
1.5 |
250 |
+0.8
0 |
5.0 |
|
75 |
+0.3
0 |
1.6 |
280 |
+0.9
0 |
6.8 |
|
90 |
+0.3
0 |
1.8 |
315 |
+1.0
0 |
7.6 |
|
110 |
+0.4
0 |
2.2 |
355 |
+1.1
0 |
8.6 |
|
125 |
+0.4
0 |
2.5 |
400 |
+1.2
0 |
9.6 |
| Form 4:Wall Thickness and Deviation(mm) |
Form 5:Average Wall Thickness and Allowed Deviation(mm) |
| Wallthickness(e) |
Allowed Deviation |
Wallthickness(e) |
Allowed Deviation |
Average Wallthickness(e0) |
Allowed Deviation |
Average Wallthickness(e0) |
Allowed Deviation |
|
＞ |
≤ |
＞ |
≤ |
＞ |
≤ |
＞ |
≤ |
|
|
2.0 |
+0.4
0 |
8.6 |
9.3 |
+1.4
0 |
|
2.0 |
+0.4
0 |
11.0 |
12.0 |
+1.4
0 |
|
2.0 |
3.0 |
+0.5
0 |
9.3 |
10.0 |
+1.5
0 |
2.0 |
3.0 |
+0.5
0 |
12.0 |
13.0 |
+1.5
0 |
|
3.0 |
4.0 |
+0.6
0 |
10.0 |
10.6 |
+1.6
0 |
3.0 |
4.0 |
+0.6
0 |
13.0 |
14.0 |
+1.6
0 |
|
4.0 |
4.6 |
+0.7
0 |
10.6 |
11.3 |
+1.7
0 |
4.0 |
5.0 |
+0.7
0 |
14.0 |
15.0 |
+1.7
0 |
|
4.6 |
5.3 |
+0.8
0 |
11.3 |
12.0 |
+1.8
0 |
5.0 |
6.0 |
+0.8
0 |
15.0 |
16.0 |
+1.8
0 |
|
5.3 |
6.0 |
+0.9
0 |
12.0 |
12.6 |
+1.9
0 |
6.0 |
7.0 |
+0.9
0 |
16.0 |
17.0 |
+1.9
0 |
|
6.0 |
6.6 |
+1.0
0 |
12.6 |
13.3 |
+2.0
0 |
7.0 |
8.0 |
+1.0
0 |
17.0 |
18.0 |
+2.0
0 |
|
6.6 |
7.3 |
+1.1
0 |
13.3 |
14.0 |
+2.1
0 |
8.0 |
9.0 |
+1.1
0 |
18.0 |
19.0 |
+2.1
0 |
|
7.3 |
8.0 |
+1.2
0 |
14.0 |
14.6 |
+2.2
0 |
9.0 |
10.0 |
+1.2
0 |
19.0 |
20.0 |
+2.2
0 |
|
8.0 |
8.6 |
+1.3
0 |
14.6 |
15.3 |
+2.3
0 |
10.0 |
11.0 |
+1.3
0 |
20.0 |
21.0 |
+2.3
0 |
Form 6:Socket Size(mm)
| Nominal Outside Diameter(de) |
the Depth of Rubber Sealed Socket(L) |
the Depth of Solvent Glued Socket(L min) |
the Inside Diameter of the Middle Socket |
|
dsmin |
dsmax |
|
20 |
|
16.0 |
20.1 |
20.3 |
|
25 |
|
18.5 |
25.1 |
25.3 |
|
32 |
|
22.0 |
32.1 |
32.3 |
|
40 |
|
26.0 |
40.1 |
40.3 |
|
50 |
|
31.0 |
50.1 |
50.3 |
|
63 |
64 |
37.5 |
63.1 |
63.3 |
|
75 |
67 |
43.5 |
75.1 |
75.3 |
|
90 |
70 |
51.0 |
90.1 |
90.3 |
|
110 |
75 |
61.0 |
110.1 |
110.4 |
|
125 |
78 |
68.5 |
125.1 |
125.4 |
|
140 |
81 |
76.0 |
140.2 |
140.5 |
|
160 |
86 |
86.0 |
160.2 |
160.5 |
|
180 |
90 |
96.0 |
180.3 |
180.6 |
|
200 |
94 |
106.0 |
200.3 |
200.6 |
|
225 |
100 |
118.5 |
225.3 |
225.6 |
|
Note: Average inside diameter of the socket part is the math average of mutual vertical two diameters in the 1/2 depth of socket;The max angle is not more than 0-30, The depth of rubber sealed ring socket is the ruled size according to 12m pipe;Picture 2 solvent guled socket. |
Form 7:Physical Function
| Items |
Technical Index |
Test |
| Density |
1350-1460kg/m3 |
According to GB1033 |
| Vicat Softening Temperature |
≥80°C |
According to GB8802 |
| Tensile Strength |
≤5% |
According to GB6671.1 |
| CH2C12 Immersion Test(15°Cx15min) |
No Change on the Surface |
According to GB/T13526 |
Form 8:Mechanic Function
| Items |
Technical Index |
Test |
| Hammer Impact Test(0°C) TIR |
≤5% |
Hammer Impact Test |
| Hydraulic Pressure Test |
No Breakage and Leakage |
Hydraulic Pressure Test |
| Joint Sealed Test |
No Breakage and Leakage |
Socket Sealed Test |
Form 9:Hygienic Index
| Items |
Technical Index |
Test |
| Lead Extract Figure |
First Extract≤1.0㎎/L;Third Extract≤0.3㎎/L |
According to GB9644 |
| Tin Extract Figure |
Third Extract≤0.02mg/L |
According to GB9644 |
| Chrome Extract Figure |
Three Extracts,Each≤0.01㎎/L |
According to GB9644 |
| Mercury Extract Figure |
Three Extracts,Each≤0.001㎎/L |
According to GB9644 |
| PVC Extract Figure |
≤1.0㎎/L |
According to GB9644 |
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