PVC Waewae Valve Tae Whero
Tawhā taputapu
| Ripanga whakataurite tawhā tauira rahi | |||||||||||||
| RAHI | Waeine | ||||||||||||
| TAUIRA | DN | 15 | 20 | 25 | 32 | 40 | 50 | 65 | 80 | 100 | 150 | ||
| RAHI | 1/2″ | 3/4″ | 1″ | 1-1/4″ | 1-1/2″ | 2″ | 2-1/2″ | 3″ | 4″ | 6″ | Inihi | ||
| thd./in | NPT | 14 | 14 | 11.5 | 11.5 | 11.5 | 11.5 | 8 | 8 | 8 | 8 | mm | |
| BSPT | 14 | 14 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | mm | ||
| ANSI | d1 | 21.34 | 26.67 | 33.4 | 42.16 | 48.26 | 60.33 | 73.03 | 88.9 | 114.3 | 168.3 | mm | |
| DIN | d1 | 20 | 25 | 32 | 40 | 50 | 63 | 75 | 90 | 110 | 160 | mm | |
| D | 31 | 35.5 | 41.9 | 51 | 60.3 | 72.5 | 90 | 76.4 | 115 | 161 | mm | ||
| D1 | 43.7 | 43.7 | 43.7 | 78 | 78 | 78 | 171.6 | 183.8 | 218 | 291 | mm | ||
| I | 31 | 32.5 | 32.8 | 35 | 56 | 57 | 73.5 | 58.2 | 91 | 120 | mm | ||
| L | 137 | 141 | 141 | 195.3 | 217.4 | 217.4 | 293.4 | 252 | 360 | 500 | mm | ||
Waea waewae PVC
Ko te puera o raro o te PVC he momo putunga whakaora-kaha, ka whakauruhia ki te pito o raro o te putorino momi wai o te papu wai hei aukati i te wai i roto i te putorino papu wai kia hoki mai ki te puna wai, ka takaro i te mahi o ka tomo noa engari karekau e wehe.He maha nga kokoru wai me nga riu whakakaha i runga i te taupoki takirere, e kore e ngawari ki te aukati.He marama te taumaha o te piha o raro me te ngawari ki te whakauru.
Ko nga tikanga hononga ko: momo hononga, me te hanganga hua ko: momo poipoi maanu.Ka taea te whakamahi ki nga momo papua centrifugal me nga papua-whaiaro.
He hanganga hou te hua me te mahi hiri pai.Ka taea e ia te aukati i te waikawa, te alkali me te corrosion.Te wa whakamahi roa.Kei te whakamahia nuitia i roto i te ahumahi matū, te muka matū, te chlor-alkali, te hiko hiko, te rongoa, te pesticide, te tae, te whakarewa, te kai, te maimoatanga parakaingaki, te mariculture, me etahi atu ahumahi.
Ko te PVC he paura ma me te hanganga amorphous.He iti te tohu o te manga, ko te kiato whanaunga he tata ki te 1.4, ko te pāmahana whakawhiti karaihe ko te 77 ~ 90 ℃, a ka timata ki te pirau i te 170 ℃.He iti te pumau ki te marama me te wera, i runga ake i te 100 ℃, i muri ranei i te wa roa.Ko te mararatanga ki te ra ka pirau hei whakaputa i te hauwai hauwai, ka whakamaarama ano i te pirau, ka paheke te tae, ka tere hoki te heke o nga ahuatanga o te tinana me te miihini.I roto i nga tono whaihua, me taapiri nga whakapumau hei whakapai ake i te wera me te maama.
Ngā āhuatanga
Rauemi:Pvc
1)He hauora, he kore huakita, he rite ki nga paerewa wai inu
2) Te ātete ki te pāmahana teitei, te kaha o te paanga pai
3) He watea, he pono te whakaurunga, he iti nga utu hanga
4) He tino pai rawa te whakamaarama wera mai i te iti o te kawe wera
5) He maamaa, he pai ki te kawe me te hapai, he pai mo te whakaora mahi
6) Ko nga pakitara o roto maeneene ka whakaiti i te mate pehanga me te whakanui ake i te tere rere
7) Te whakamaarama oro (whakaitihia e 40% ka whakaritea ki nga paipa maitai piauau)
8) Ko nga tae maama me te hoahoa pai e whakarite ana i te pai mo te whakaurunga huna me te huna
9) Ka taea te hangarua, he pai ki te taiao, kia rite ki nga paerewa GBM
10) He roa rawa te wa e whakamahia ana mo te 50 tau rawa atu
