BV/BVR Parahi Matua PVC Waea Weraiti/Waea ngawari

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Ko te BV he waea parahi kotahi-matua, he uaua me te kore e pai mo te hanga, engari he kaha teitei.Ko te BVR he waea parahi maha-matua, he ngohengohe me te watea mo te hanga, engari he iti te kaha.Waea parahi kotahi-matua BV - te tikanga mo nga waahi pumau, ko te waea BVR he waea whakarewa PVC-nui-a-papa, e whakamahia ana i nga waa e hiahia ana te waea whakapumau kia ngawari, a ka whakamahia i nga waa he iti te nekehanga.I tua atu, ko te kaha o te kawe i tenei wa o te BVR multi-strand line he nui ake i tera o te raina kotahi, a he nui ake te utu.I te nuinga o te wa, ka taea te whakamahi BVR mo nga taura i roto i te rūnanga, kaore he kaha nui, he pai mo te waea.


Taipitopito Hua

Tohu Hua

WHAKAMAHI HUA

Kei roto i te waea hiko PVC te BV/BVR parahi matua PVC te waea whakahiato/tewari, te waea NH-BV te parahi PVC te waea ahi-ahuru, me te WDZ-BYJ/WDZN-BYJ te parahi LSZH te waea polyolefin honohono / te waea-a-ahi.

Ko te BV he waea parahi kotahi-matua, he uaua me te kore e pai mo te hanga, engari he kaha teitei.Ko te BVR he waea parahi maha-matua, he ngohengohe me te watea mo te hanga, engari he iti te kaha.Waea parahi kotahi-matua BV - i te nuinga o te waa mo nga waahi pumau, ko te waea BVR he waea whakarewa PVC-nui-a-papa, e whakamahia ana i nga waa e hiahia ana te waea whakapumau i te ngawari, me te whakamahi i nga waa he iti te nekehanga.I tua atu, ko te kaha o te kawe i tenei wa o te BVR multi-strand line he nui ake i tera o te raina kotahi, a he nui ake te utu.I te nuinga o te wa, ka taea te whakamahi BVR mo nga taura kei roto i te rūnanga, kaore he kaha nui, he pai mo te waea.

TE KAUPAPA O TE TONO

Ko nga waea BV/BVR nga waea waea e tino whakamahia ana.Ko te tango i tetahi whare hou 100 mita tapawha hei tauira, ko te waea parahi BV matua o te 4mm² mirimita tapawha he 200 mita,
400 mita mo te 2.5 mm², 300 mita mo te 1.5 mm², me te 100 mita mo te 1.5 mm² o te waea parahi BV e rua-tae.Ko te mea i runga ake nei ehara i te whakapaipai tuanui, ki te hiahia koe ki te whai tuanui, me nui ake te raina o te 1.5 mm².

WHAKATAKI HUA


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