Valavu yamkuntho yoyimirira ya IFLOW, yankho lodalirika komanso lolimba lomwe lapangidwa kuti lizitha kuwongolera bwino ndikuyendetsa madzi amvula m'malo osiyanasiyana amafakitale ndi amalonda. Yopangidwa mwaluso komanso moyenera m'maganizo, vavu iyi imapereka zinthu zosiyanasiyana zomwe zimapangitsa kuti ikhale chisankho chabwino kwambiri pazosowa zanu zoyendetsera madzi amvula.
Choyamba, kapangidwe ka valavu yoyimirira kamalola kuyika bwino komanso kusunga malo. Malo ake ocheperako amapangitsa kuti ikhale yoyenera malo okhala ndi malo ochepa pomwe imapereka magwiridwe antchito abwino kwambiri owongolera kuyenda kwa madzi amvula. Kuphatikiza apo, kapangidwe kolimba ka valavuyo kamatsimikizira kuti imagwira ntchito bwino kwa nthawi yayitali, ngakhale m'malo ovuta amakampani. Kuphatikiza apo, mavalavu athu oyimirira ali ndi mphamvu zowongolera bwino kuti azitha kuyendetsa bwino madzi amvula. Kuwongolera uku ndikofunikira kwambiri popewa kusefukira kwa madzi ndikuwongolera kuyenda kwa madzi nthawi yamvula yambiri.
Vavu iyi imagwira ntchito modalirika ndipo imafuna kusamaliridwa kochepa, zomwe zimapangitsa kuti ikhale yankho lotsika mtengo komanso lothandiza pa kayendetsedwe ka madzi amvula. Poyang'ana kwambiri pakugwira ntchito bwino, kulimba komanso kuwongolera molondola, mavavu athu amvula olunjika amapereka magwiridwe antchito abwino komanso odalirika. Khulupirirani valavu iyi kuti izitha kuyendetsa bwino madzi amvula, kupereka mtendere wamumtima komanso chitetezo ku malo anu opangira mafakitale kapena amalonda. Sankhani mavavu athu amvula olunjika kuti mupeze yankho lodalirika komanso logwira ntchito bwino pazosowa zanu zoyendetsera madzi amvula.
| Gawo Nambala | Zinthu Zofunika | ||||||
| 1 - Thupi | Chitsulo Chopangidwa | ||||||
| 2 - Bonnet | Chitsulo Chopangidwa | ||||||
| 3 - Mpando | NBR | ||||||
| 4 - Disiki | Chitsulo Chosapanga Dzira, Mkuwa | ||||||
| 5 - Tsinde | Chitsulo Chosapanga Dzira, Mkuwa | ||||||

Vavu yamkuntho ndi valavu yosabwerera yofanana ndi flap yomwe imagwiritsidwa ntchito kutulutsa zimbudzi pamwamba pa nyanja. Imalumikizidwa ndi chitoliro cha nthaka kumapeto kwina ndipo kumapeto kwina kuli m'mbali mwa sitima kuti zimbudzi zikwere pamwamba pa nyanja. Chifukwa chake imatha kukonzedwanso pokhapokha ngati pali malo owuma.
Mkati mwa valavu muli chogwirira cha valavu chomwe chimalumikizidwa ndi cholemera chopondera, ndi chotchingira. Chotchingira ndi chidutswa cha valavu chomwe chimayendetsedwa ndi gudumu lakunja lamanja kapena choyendetsera. Cholinga cha chotchingira ndikugwira chotchingiracho pamalo pake chomwe chimaletsa kuyenda kwa madzi.
| SIZE | d | FLANGE 5K | MALANGIZO 10K | L1 | H1 | ||||||
| C | D | nh | t | C | D | nh | t | ||||
| 050 | 50 | 105 | 130 | 4-15 | 14 | 120 | 155 | 4-19 | 16 | 170 | 130 |
| 065 | 65 | 130 | 155 | 4-15 | 14 | 140 | 175 | 4-19 | 18 | 200 | 140 |
| 080 | 80 | 145 | 180 | 4-19 | 14 | 150 | 185 | 8-19 | 18 | 220 | 154 |
| 100 | 100 | 165 | 200 | 8-19 | 16 | 175 | 210 | 8-19 | 18 | 250 | 170 |
| 125 | 125 | 200 | 235 | 8-19 | 16 | 210 | 250 | 8-23 | 20 | 270 | 198 |
| 150 | 150 | 230 | 265 | 8-19 | 18 | 240 | 280 | 8-23 | 22 | 310 | 211 |
| 200 | 200 | 280 | 320 | 8-23 | 20 | 290 | 330 | 12-23 | 22 | 400 | 265 |