






Pressuring rating | SDR11 1.6MPa | SDR13.6 1.25MPa | SDR17 1.0MPa | SDR21 0.8MPa | SDR26 0.6MPa |
OD* Diameter | Wall thickness | ||||
20 | 2.3 | ||||
25 | 2.3 | ||||
32 | 3 | ||||
40 | 3.7 | ||||
50 | 4.6 | ||||
63 | 5.8 | 4.7 | |||
75 | 6.8 | 5.6 | 4.5 | ||
90 | 8.2 | 6.7 | 5.4 | 4.3 | |
110 | 10 | 8.1 | 6.6 | 5.3 | 4.2 |
125 | 11.4 | 9.2 | 7.4 | 6 | 4.8 |
140 | 12.7 | 10.3 | 8.3 | 6.7 | 5.4 |
160 | 14.6 | 11.8 | 9.5 | 7.7 | 6.2 |
180 | 16.4 | 13.3 | 10.7 | 8.6 | 6.9 |
200 | 18.2 | 14.7 | 11.9 | 9.6 | 7.7 |
225 | 20.5 | 16.6 | 13.4 | 10.8 | 8.6 |
250 | 22.7 | 18.4 | 14.8 | 11.9 | 9.6 |
280 | 25.4 | 20.6 | 16.6 | 13.4 | 10.7 |
315 | 28.6 | 23.2 | 18.7 | 15.0 | 12.1 |
355 | 32.2 | 26.1 | 21.1 | 16.9 | 13.6 |
400 | 36.3 | 29.4 | 23.7 | 19.1 | 15.3 |
450 | 40.9 | 33.1 | 26.7 | 21.5 | 17.2 |
500 | 45.4 | 36.8 | 29.7 | 23.9 | 19.1 |
560 | 50.8 | 41.2 | 33.6 | 26.7 | 21.4 |
630 | 57.2 | 46.3 | 37.4 | 30.0 | 24.1 |
OD* Diameter | SDR13.6 1.25MPa | SDR17 1.0MPa | SDR21 0.8MPa | SDR26 0.6MPa | SDR33 0.5MPa |
Wall thickness | |||||
710 | 52.2 | 42.1 | 33.9 | 27.2 | 21.8 |
800 | 58.8 | 47.4 | 38.1 | 30.6 | 24.5 |
900 | 53.3 | 42.9 | 34.4 | 27.6 | |
1000 | 59.3 | 47.7 | 38.2 | 30.6 | |
1200 | 67.9 | 57.2 | 45.9 | 36.7 | |
1400 | 53.5 | 42.9 | |||
1600 | 61.2 | 49.0 |











Q:Are you a manufacturer or a trading company?
A:we are totally manufacturer
Q:How does your factory carry out quality control?
A:Quality Control is one of our most important link. All of the product will be fully processed and strictly tested before packaging for shipment.
Q:Can I get samples for checking the quality?
A:We can provide free samples. But you need to pay the freight. After you place the order, we will refund the single freight of the sample.
Q:What's the delivery time?
A:Usually for sample order within one week, for mass order 10-30days.
Q:What's your payment terms?
A:We accept T/T, Western Union,L/C and PayPal.
Q:Can I visit your factory?
A:We always welcome you to visit our factory. Transportation is very convenient in China. You can take highspeed rail or plane, and we will pick you up in advance.