NO.9
Valavu ya bokosi la matope la DIN cast iron angle ndi valavu yomwe imagwiritsidwa ntchito m'mapayipi, nthawi zambiri imagwiritsidwa ntchito kuwongolera ndikuwongolera zinyalala ndi tinthu tolimba m'madzi.
Yambitsani:Valavu ya bokosi la matope ya DIN yolunjika ndi chipangizo cha valavu chokhala ndi kapangidwe kolimba komanso zinthu zosagwira dzimbiri, chopangidwa kuti chiteteze kutsekeka kwa tinthu tating'onoting'ono m'mapaipi ndikuchepetsa kukonza kwa makina.
Kagwiritsidwe:Ma valve a DIN opangidwa ndi chitsulo chopangidwa ndi matope amagwiritsidwa ntchito makamaka m'mapayipi a mafakitale, makamaka pamene pakufunika kuwongolera zinyalala ndi tinthu tolimba m'madzi kuti tipewe kutsekeka kwa payipi ndikuwononga zida. Mtundu uwu wa valavu umagwiritsidwa ntchito kwambiri m'maukonde a mapaipi m'mafakitale monga malo oyeretsera zinyalala, makina operekera madzi, malo opangira mankhwala, ndi zina zotero. Imatha kusunga bwino ntchito yanthawi zonse ya mapaipi ndikuwonjezera kudalirika ndi kukhazikika kwa makinawo.
Yolimba komanso yolimba: Yopangidwa ndi chitsulo chosungunuka, imatha kupirira dzimbiri komanso imatha kunyamula mphamvu.
Kapangidwe ka fyuluta: Ili ndi kapangidwe ka fyuluta komwe kangathe kuletsa tinthu tolimba mu payipi ndikuteteza ntchito yanthawi zonse ya payipi ndi zida.
Kuyenda bwino kwa madzi: Kuyenda bwino kwa madzi kumachepetsa kutayika kwa mphamvu pamene madzi akudutsa mu valavu.
Kuletsa kutsekeka: Mwa kutsekereza tinthu tolimba, kungalepheretse kutsekeka kwa dongosolo la mapaipi ndikuchepetsa ndalama zokonzera.
Kudalirika Kwambiri: Ili ndi magwiridwe antchito okhazikika komanso moyo wautali wautumiki, ndipo imatha kugwira ntchito mosalekeza komanso mokhazikika.
Kusamalira kosavuta: kapangidwe kosavuta, kosavuta kuyeretsa ndi kusamalira, kuonetsetsa kuti ikugwiritsidwa ntchito kwa nthawi yayitali komanso moyenera.
| DZINA LA CHIGAWO | Zipangizo |
| Chikwama chokwezera | Chitsulo |
| Chivundikiro | Chitsulo Chopangidwa |
| Gasket | Chitsulo Chopangidwa |
| Sikirini | Chitsulo chosapanga dzimbiri |
| Maboluti | Chitsulo chosapanga dzimbiri |
| Pulagi yotulutsira madzi | Mkuwa |

| DN | L | Dg | Dk | D | f | b | nd | H1 | H2 |
| DN40 | 200 | 84 | 110 | 150 | 3 | 19 | 4-8 | 107 | 113 |
| DN50 | 230 | 99 | 125 | 165 | 3 | 19 | 4-8 | 115 | 123 |
| DN65 | 290 | 118 | 145 | 185 | 3 | 19 | 4-8 | 138 | 132 |
| DN80 | 310 | 132 | 160 | 200 | 3 | 19 | 8-8 | 151 | 140 |
| DN100 | 350 | 156 | 180 | 220 | 3 | 19 | 8-8 | 182 | 150 |
| DN125 | 400 | 184 | 210 | 250 | 3 | 19 | 8-8 | 239 | 160 |
| DN150 | 480 | 211 | 240 | 285 | 3 | 19 | 8-8 | 257 | 185 |
| DN200 | 600 | 266 | 295 | 340 | 3 | 20 | 8-8 | 333 | 227 |
| DN250 | 600 | 319 | 350 | 395 | 3 | 22 | 12-22 | 330 | 284 |
| DN300 | 600 | 370 | 400 | 445 | 4 | 24.5 | 12-22 | 350 | 315 |
| DN350 | 610 | 429 | 460 | 505 | 4 | 24.5 | 16-22 | 334 | 341 |
| DN400 | 740 | 480 | 515 | 565 | 4 | 24.5 | 16-28 | 381 | 376 |