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“FM 1613 Approved & NSF 61 Certified. Fully compliant with DPWH and Local Water District Standards.”

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“Local Technical Support & On-Site Fusion Guidance for Metro Manila, Cebu and Mindanao Projects.”
» Space-Saving Nesting (Low Ocean Freight)
We optimize loading by nesting smaller pipes inside larger ones, significantly reducing your shipping costs per meter to Philippine ports.

Contact Puhui Pipe Now
Puhui HDPE pipe is durable, cost-effective, resistant to corrosion and can be joined through heat fusion techniques to create leak-free systems. At Puhui Pipe, we specialize in creating the ideal piping solution, offering high quality, reliable HDPE pipe for a wide variety of industries and applications, including:
If you have any inquiry about HDPE Pipe and Fittings, Contact Us Now! Get A Free Quote Quickly!
Please Contact us to Get More Details or Price, Send Email: [email protected] or WhatsApp:+86 15093100892 .
Welcome customers to visit the factory, or third party factory inspection is acceptable.
Both ISO (mm) and ASTM (Inch) sizes are in stock. Request our ASTM F714 standard catalog for your specific project needs.
| ISO 4427 Pipe Series | S 3.2 | S 4 | S 5 | S 6,3 | S 8 | S 10 | |||||||
| ASTM F714 DR | DR 7.4 | DR 9 | DR 11 | DR 13.6 | DR 17 | DR 21 | |||||||
| Nominal Pressure PE 100 | PN = 25 bar | PN = 20 bar | PN = 16 bar | PN = 12,5 bar | PN = 10 bar | PN = 8 bar | |||||||
| Nominal Size DN (mm) | Equiv Size (in) | Minimum Wall (mm) | Average ID (mm) | Minimum Wall (mm) | Average ID (mm) | Minimum Wall (mm) | Average ID (mm) | Minimum Wall (mm) | Average ID (mm) | Minimum Wall (mm) | Average ID (mm) | Minimum Wall (mm) | Average ID (mm) |
| 20 | 1/2″ | 3.0 | 14.0 | 2.3 | 15.40 | 2.0 | 16.00 | 1.8 | 16.40 | 1.200 | 17.600 | 1.000 | 18.000 |
| 25 | 3/4″ | 3.5 | 18.0 | 3.0 | 19.00 | 2.3 | 20.40 | 2.0 | 21.00 | 1.500 | 22.000 | 1.200 | 22.600 |
| 32 | 1 | 4.4 | 23.2 | 3.6 | 24.80 | 3.0 | 26.00 | 2.4 | 27.20 | 2.000 | 28.000 | 1.500 | 29.000 |
| 40 | 1 1/4 | 5.5 | 29.0 | 4.5 | 31.00 | 3.7 | 32.60 | 3.0 | 34.00 | 2.400 | 35.200 | 2.000 | 36.000 |
| 50 | 1 1/2 | 6.9 | 36.2 | 5.6 | 38.80 | 4.6 | 40.80 | 3.7 | 42.60 | 3.000 | 44.000 | 2.400 | 45.200 |
| 63 | 2 | 8.6 | 45.8 | 7.1 | 48.80 | 5.8 | 51.40 | 4.7 | 53.60 | 3.800 | 55.400 | 3.000 | 57.000 |
| 75 | 2 1/2 | 10.3 | 54.4 | 8.4 | 58.20 | 6.8 | 61.40 | 5.6 | 63.80 | 4.500 | 66.000 | 3.600 | 67.800 |
| 90 | 3 | 12.3 | 65.4 | 10.1 | 69.80 | 8.2 | 73.60 | 6.7 | 76.60 | 5.400 | 79.200 | 4.300 | 81.400 |
| 110 | 4 | 15.1 | 79.8 | 12.3 | 85.40 | 10.0 | 90.00 | 8.1 | 93.80 | 6.600 | 96.800 | 5.300 | 99.400 |
| 125 | 5 | 17.1 | 90.8 | 14.0 | 97.00 | 11.4 | 102.20 | 9.2 | 106.60 | 7.400 | 110.200 | 6.000 | 113.000 |
| 140 | 5 1/2″ | 19.2 | 101.6 | 15.7 | 108.60 | 12.7 | 114.60 | 10.3 | 119.40 | 8.300 | 123.400 | 6.700 | 126.600 |
| 160 | 6 | 21.9 | 116.2 | 17.9 | 124.20 | 14.6 | 130.80 | 11.8 | 136.40 | 9.500 | 141.000 | 7.700 | 144.600 |
| 180 | 6 | 24.6 | 130.8 | 20.1 | 139.80 | 16.4 | 147.20 | 13.3 | 153.40 | 10.700 | 158.600 | 8.600 | 162.800 |
| 200 | 8 | 27.4 | 145.2 | 22.4 | 155.20 | 18.2 | 163.60 | 14.7 | 170.60 | 11.900 | 176.200 | 9.600 | 180.800 |
| 225 | 8 | 30.8 | 163.4 | 25.2 | 174.60 | 20.5 | 184.00 | 16.6 | 191.80 | 13.400 | 198.200 | 10.800 | 203.400 |
| 250 | 10 | 34.2 | 181.6 | 27.9 | 194.20 | 22.7 | 204.60 | 18.4 | 213.20 | 14.800 | 220.400 | 11.900 | 226.200 |
| 280 | 10 | 38.3 | 203.4 | 31.3 | 217.40 | 25.4 | 229.20 | 20.6 | 238.80 | 16.600 | 246.800 | 13.400 | 253.200 |
| 315 | 12 | 43.1 | 228.8 | 35.2 | 244.60 | 28.6 | 257.80 | 23.2 | 268.60 | 18.700 | 277.600 | 15.000 | 285.000 |
| 355 | 14 | 48.5 | 258.0 | 39.7 | 275.60 | 32.2 | 290.60 | 26.1 | 302.80 | 21.100 | 312.800 | 16.900 | 321.200 |
| 400 | 16 | 54.7 | 290.6 | 44.7 | 310.60 | 36.3 | 327.40 | 29.4 | 341.20 | 23.700 | 352.600 | 19.100 | 361.800 |
| 450 | 18 | 61.5 | 327.0 | 50.3 | 349.40 | 40.9 | 368.20 | 33.1 | 383.80 | 26.700 | 396.600 | 21.500 | 407.000 |
| 500 | 20 | 67.6 | 364.8 | 55.8 | 388.40 | 45.4 | 409.20 | 36.8 | 426.40 | 29.700 | 440.600 | 23.900 | 452.200 |
| 560 | 22 | 75.7 | 408.6 | 62.5 | 435.00 | 50.8 | 458.40 | 41.2 | 477.60 | 33.200 | 493.600 | 26.700 | 506.600 |
| 630 | 24 | 85.1 | 459.8 | 70.3 | 489.40 | 57.2 | 515.60 | 46.3 | 537.40 | 37.400 | 555.200 | 30.000 | 570.000 |
| 710 | 28 | 95.9 | 518.2 | 79.3 | 551.40 | 64.5 | 581.00 | 52.2 | 605.60 | 42.100 | 625.800 | 33.900 | 642.200 |
| 800 | 32 | 89.3 | 621.40 | 72.6 | 654.80 | 58.8 | 682.40 | 47.400 | 705.200 | 38.100 | 723.800 | ||
| 900 | 36 | 81.7 | 736.60 | 66.1 | 767.80 | 53.300 | 793.400 | 42.900 | 814.200 | ||||
| 1000 | 40 | 90.2 | 819.60 | 73.5 | 853.00 | 59.300 | 881.400 | 47.700 | 904.600 | ||||
| 1200 | 48 | 109.09 | 981.82 | 88.2 | 1023.60 | 71.100 | 1057.800 | 57.200 | 1085.600 | ||||
| 1400 | 54 | 127.28 | 1145.44 | 102.9 | 1194.20 | 83.000 | 1234.000 | 66.700 | 1266.600 | ||||
| 1600 | 64 | 117.5 | 1365.00 | 94.800 | 1410.400 | 76.200 | 1447.600 | ||||||