Chidule cha Mapaipi a Iron Ductile
Yopangidwa ndi chitsulo chosungunuka chomwe chimagwiritsidwa ntchito kwambiri potumiza ndi kugawa Madzi Omwe Amamwa omwe amakhala ndi moyo wautali kuposa zaka 100. Mtundu uwu wa chitoliro ndi wopangidwa mwachindunji ndi chitoliro chakale chachitsulo chosungunuka, chomwe chalowa m'malo mwake. Ndiwoyenera kuyika mizere yayikulu yotumizira pansi pa nthaka.
Mafotokozedwe a Mapaipi a Ductile Iron
| Dzina la Chinthu | Chitsulo chodzipangira chokha, Chitoliro cha Chitsulo chodzipangira chokha chokhala ndi Spigot & Socket |
| Mafotokozedwe | ASTM A377 Ductile Iron, AASHTO M64 Cast Iron Culvert Pipes |
| Muyezo | ISO 2531, EN 545, EN598, GB13295, ASTM C151 |
| Mulingo wa Giredi | C20, C25, C30, C40, C64, C50, C100 & Gulu K7, K9 & K12 |
| Utali | Mamita 1-12 kapena malinga ndi zomwe kasitomala akufuna |
| Kukula | DN 80 mm mpaka DN 2000 mm |
| Njira Yolumikizirana | Mtundu wa T; Mtundu wa makina olumikizirana a k; Wodzipangira wekha |
| Chophimba Chakunja | Zophimba za Epoxy Yofiira / Yabuluu kapena Bitumen Yakuda, Zn & Zn-AI, Metallic Zinc (130 gm/m2 kapena 200 gm/m2 kapena 400 gm/m2 malinga ndi kasitomala'(Zofunikira) mogwirizana ndi miyezo yoyenera ya ISO, IS, BS EN yokhala ndi Epoxy Coating / Black Bitumen (makulidwe osachepera 70 micron) malinga ndi kasitomala.'zofunikira. |
| Chophimba chamkati | Kuyika simenti pa simenti ya OPC/ SRC/ BFSC/ HAC motsatira zofunikira ndi Portland Cement ndi Sulphate Resisting Cement wamba mogwirizana ndi miyezo yoyenera ya IS, ISO, BS EN. |
| Kuphimba | Kupopera kwa zinki yachitsulo ndi Bituminous Coating (Kunja) Kuphimba kwa simenti ndi matope (Mkati). |
| Kugwiritsa ntchito | Chitsulo chopangidwa ndi ductile chimagwiritsidwa ntchito makamaka ponyamula madzi otayira, madzi akumwa komanso kuthirira. |
Masayizi Akupezeka Mu Stock
| DN | Chidutswa chakunja [mm (mkati)] | Kukhuthala kwa khoma [mm (mkati)] | ||
| Kalasi 40 | K9 | K10 | ||
| 40 | 56 (2.205) | 4.8 (0.189) | 6.0 (0.236) | 6.0 (0.236) |
| 50 | 66 (2.598) | 4.8 (0.189) | 6.0 (0.236) | 6.0 (0.236) |
| 60 | 77 (3.031) | 4.8 (0.189) | 6.0 (0.236) | 6.0 (0.236) |
| 65 | 82 (3.228) | 4.8 (0.189) | 6.0 (0.236) | 6.0 (0.236) |
| 80 | 98 (3.858) | 4.8 (0.189) | 6.0 (0.236) | 6.0 (0.236) |
| 100 | 118 (4.646) | 4.8 (0.189) | 6.0 (0.236) | 6.0 (0.236) |
| 125 | 144 (5.669) | 4.8 (0.189) | 6.0 (0.236) | 6.0 (0.236) |
| 150 | 170 (6.693) | 5.0 (0.197) | 6.0 (0.236) | 6.5 (0.256) |
| 200 | 222 (8.740) | 5.4 (0.213) | 6.3 (0.248) | 7.0 (0.276) |
| 250 | 274 (10.787) | 5.8 (0.228) | 6.8 (0.268) | 7.5 (0.295) |
| 300 | 326 (12.835) | 6.2 (0.244) | 7.2 (0.283) | 8.0 (0.315) |
| 350 | 378 (14.882) | 7.0 (0.276) | 7.7 (0.303) | 8.5 (0.335) |
| 400 | 429 (16.890) | 7.8 (0.307) | 8.1 (0.319) | 9.0 (0.354) |
| 450 | 480 (18.898) | - | 8.6 (0.339) | 9.5 (0.374) |
| 500 | 532 (20.945) | - | 9.0 (0.354) | 10.0 (0.394) |
| 600 | 635 (25.000) | - | 9.9 (0.390) | 11.1 (0.437) |
| 700 | 738 (29.055) | - | 10.9 (0.429) | 12.0 (0.472) |
| 800 | 842 (33.150) | - | 11.7 (0.461) | 13.0 (0.512) |
| 900 | 945 (37.205) | - | 12.9 (0.508) | 14.1 (0.555) |
| 1000 | 1,048 (41.260) | - | 13.5 (0.531) | 15.0 (0.591) |
| 1100 | 1,152 (45.354) | - | 14.4 (0.567) | 16.0 (0.630) |
| 1200 | 1,255 (49.409) | - | 15.3 (0.602) | 17.0 (0.669) |
| 1400 | 1,462 (57.559) | - | 17.1 (0.673) | 19.0 (0.748) |
| 1500 | 1,565 (61.614) | - | 18.0 (0.709) | 20.0 (0.787) |
| 1600 | 1,668 (65.669) | - | 18.9 (0.744) | 51.0 (2.008) |
| 1800 | 1,875 (73.819) | - | 20.7 (0.815) | 23.0 (0.906) |
| 2000 | 2,082 (81.969) | - | 22.5 (0.886) | 25.0 (0.984) |
Kugwiritsa Ntchito Mapaipi a DI
• Pa netiweki yogawa madzi abwino
• Kutumiza madzi osaphika komanso oyera
• Madzi ogwiritsidwa ntchito m'mafakitale/m'mafakitale opangira zinthu
• Njira yogwiritsira ntchito ndi kutaya phulusa ndi matope
• Makina ozimitsa moto - m'mphepete mwa nyanja ndi m'mphepete mwa nyanja
• Mu zomera zochotsa mchere m'madzi
• Chitsime chachikulu cha madzi a zimbudzi ndi zinyalala
• Njira yosonkhanitsira ndi kutaya zinyalala pogwiritsa ntchito mphamvu yokoka
• Mapaipi otulutsira madzi a mvula yamkuntho
• Njira yotayira madzi otayira m'nyumba ndi m'mafakitale
• Njira yobwezeretsanso zinthu
• Ntchito yokonza mapaipi mkati mwa malo oyeretsera madzi ndi zimbudzi
• Kulumikizana kolunjika ku malo osungiramo zinthu ndi malo osungiramo madzi
• Kukonza milu kuti nthaka ikhale yolimba
• Mapaipi oteteza pansi pa misewu ikuluikulu yonyamulira katundu








