Kua roa te whanaketanga o ngā pūnaha paipa, ā,ngā taputapu pprkei te ārahi i te kaha. Ka kitea ēnei taputapu mō tō rātou kaha ki te whakatau i ngā wero paipa noa pēnei i te turuturu me te waikura, me te whakanui ake i te whai huatanga. Anei te take he mea nui ēnei:

1. Ka taea e rātou te tu atu i ngā pāmahana mai i te 70°C ki te 95°C (158°F ki te 203°F) me te kore e werawera.
2. Nā te iti o te kawe wera ka iti te ngaronga, te pikinga rānei o te wera.
3. Ka ātete rātou ki te tauine me te waikura, ka iti ake ngā whakatikatika me te roa ake o te ora ratonga.

Nā ēnei painga, he kōwhiringa mohio ēnei mō ngā pūnaha paipa o ēnei rā.

Ngā Whakaaro Matua

• He pakari ngā hononga PPR, ā, kāore e waikura.e 50+ tau te roa.
• Kāore e nui te wera e ngaro ana i a rātou, e penapena ana i te hiko, e whakaiti ana hoki i ngā pire.
• Ka hanga hononga piripono te hanumitanga wera,te aukati i ngā turuturume te kino o te wai.

Ngā Āhuatanga Ahurei o ngā Whakapiringa PPR

Te pakari me te ātete ki te waikura

Ko ngā taputapu PPRi hangaia kia roa. Nā te ātete ki te waikura, he mea tino pai mō ngā pūnaha paipa wai e pāngia ana e te wai me ngā matū. Kāore i rite ki ngā paipa whakarewa, ka taea te waikura, te pirau rānei i roto i te wā, ka mau tonu te āhua o ngā hononga PPR ahakoa i roto i ngā āhuatanga kino. E whakaatu ana tētahi rangahau mō te whanonga ā-pūkaha o ngā paipa PPR i raro i te pēhanga i tō rātou pakari. E whakaatu ana ngā whakamātautau ka taea e ēnei hononga te tu atu ki te kino me te mahi pono i raro i te pēhanga me te pāmahana tino nui. Mā tēnei pakari ka whakaitihia te hiahia mō ngā whakakapinga auau, ka penapena wā me te moni i te wā roa.

Te Āraitanga Wera me te Manawanui ki te Mahana

He tino pai ngā taputapu PPR ki te whakahaere i te pāmahana. Ko te iti o te kawe wera o te 0.21 w/mk ka whakarite kia iti rawa te ngaronga pūngao, kia mau tonu ai te pāmahana o te wai. Ahakoa he makariri rawa, he wera rawa rānei, ka taea e ēnei taputapu te tu atu. Ka mahi pai rātou i ngā pāmahana mai i te -40°C ki te +100°C, me te pāmahana mahi pumau mōrahi o te 70°C. Mō ngā whakamahinga pāmahana teitei, ko te pāmahana whakangawari Vicat o te 131.5°C ka whakarite kia pono. E whakaatu ana te tūtohi i raro nei i tō rātou manawanui pāmahana whakamiharo:

Rauemi Hoa-Taiao, Kore-Paitini

He kōwhiringa haumaru, he kōwhiringa pumau hoki ngā hononga PPR. He mea hanga mai i ngā rauemi kore-paitini, ā, ka whakarite kia tukuna te wai ma, kāore he poke. He paipa kounga-kai i raro i ngā paerewa DIN 1998 T2 kua whakamanahia, ā, ka tutuki i a rātou ngā whakaritenga haumaru teitei rawa atu mō ngā pūnaha wai inu. Ka ātete hoki ō rātou hanganga taiao ki ngā waikawa, ki ngā kawakore, me ngā whakarewa, ā, he pai mō ngā taiao rerekē. Mā te whiriwhiri i ngā hononga PPR, ka whai wāhi ngā kaiwhakamahi ki tētahi ao hauora ake, me te whiwhi hoki i tētahi pūnaha paipa pono.

Te Whakatau a ngā Hononga PPR i ngā Take Paipa Noa

Te Ārai i ngā Tūmomo me te Whakapūmau i ngā Hononga Haumaru

Ko ngā turuturu tetahi o ngā raruraru paipa tino whakarihariha. Ka moumou wai, ka piki ake ngā pire ratonga, ā, ka kino pea te hanganga i roto i te wā. Ka aro atu ngā hononga PPR ki tēnei raruraru mā te hangarau whakakotahitanga wera hou. Ka hangaia e tēnei tikanga he hononga ātete turuturu mā te whakarewa i ngā hononga, ka hanga he wae kotahi, he kore hononga. He rerekē ki ngā hononga miro, piri rānei tuku iho, ka mau tonu te haumaru o ēnei hononga ahakoa i raro i te pēhanga teitei, i ngā rerekētanga pāmahana rānei.

E whakaū ana ngā whakamātautau whakamātautau i te pono o ngā hononga PPR ki te ārai i ngā turuturu. Hei tauira, i te wā o te whakamātautau huringa wera, i tukuna ngā hononga ki te 500 huringa o ngā pāmahana tauutuutu i waenga i te 20°C me te 95°C. Kāore i whakaatuhia e ngā hua he pakaru o ngā hononga, e whakaatu ana i te pumau o ō rātou āhua me te kaha ki te tu atu i ngā āhuatanga tino kino. Hei tāpiri, i whakaatuhia e ngā whakamātautau pēhanga waipū mō te wā roa ka taea e ngā hononga PPR te tu atu mō te 1,000 hāora i te 80°C me te 1.6 MPa me te kore e kitea he pakaru, he pakaru rānei.

Momo Whakamātautau	Ngā tawhā	Ngā Hua
Te pāmahana teitei mō te wā poto	95°C: Te pumau o te hanganga tae atu ki te 3.2 MPa	Kāore i kitea he turuturu, he hapa rānei.
Pēhanga Wairewa-roa	1,000 hāora i te 80°C, 1.6 MPa	<0.5% te rerekētanga, kāore he kapiti e kitea ana, he pakaru rānei.
Te Pahikara Wera	20°C ↔ 95°C, 500 huringa	Kāore he rahunga hononga, e whakaū ana i te pumau o ngā āhuatanga.

E whakaatu ana ēnei hua i te whakawhirinakitanga o ngā taputapu PPR mō ngā pūnaha paipa haumaru, kore turuturu hoki.

Te Whakakore i te Waikura me ngā Ārai

Ka taea e te waikura me ngā aukati te whakararu i ngā pūnaha paipa. Ka whakaitihia te rere o te wai, ka pakaru ngā paipa, ā, ka arahi ki ngā whakatikatika utu nui. Ka whakakorea ēnei raruraru e ngā taputapu PPR nā ō rātou āhuatanga ātete ki te waikura. Kāore i rite ki ngā paipa whakarewa, ka taea te waikura, te kohikohi rānei i ngā putunga kohuke, ka pupuri ngā taputapu PPR i ngā mata o roto maeneene e ātete ana ki te tauine me te puranga.

Nā te koretake o te matū, kāore e tauhohe ki te wai, ki ētahi atu matū rānei, ā, he pai mō ngā taiao he nui te waikawa, he nui te kawakore rānei. He tino whai hua tēnei āhuatanga mō ngā pūnaha o raro whenua, ina pāngia ngā paipa tuku iho e te makuku me te tote o te whenua, ka tere ake te waikura. Mā te ārai i ngā aukati me te waikura, ka noho pai te rere o ngā pūnaha paipa PPR mō ngā tau.

Te Pupuri i te Pēhanga me te Rere o te Wai kia Pūmau

He mea nui te pēhanga wai pumau mō te pūnaha paipa mahi. He tino pai ngā taputapu PPR i tēnei wāhanga mā te whakarite kia pai te rere o te wai me te whakaiti i te ngaronga o te pēhanga. Ka whakaitihia e ōna mata maeneene o roto te waku, ka taea ai e te wai te neke noa me te kore he arai. Ka ārai tēnei hoahoa i te aueue, ā, ka whakarite kia pumau te pēhanga, ahakoa i roto i ngā pūnaha e hiahiatia ana.

He maha ngā inenga mahi e whakaatu ana i tō rātou kaha ki te pupuri i te pēhanga me te rere o te wai:

1. He ātete ngā hononga PPR ki ngā kohuke, ki ngā tote, me te makuku o te whenua, ā, he mea tino pai mō ngā pūnaha kei raro i te whenua.
2. Ka mau tonu tō rātou kaha i raro i ngā tikanga tanumanga mō te wā roa.
3. He pai te mahi a ēnei mea i raro i ngā rerenga pēhanga makariri me ngā rerenga pēhanga teitei.

Ine	Whakaahuatanga
Ngā Papa o Roto Maeneene	Ka whakaiti i te waku, ka whakarite kia pai te rere o te wai.
Ngā Hononga Ārai-Tuku	I hangaia mā te hangarau hanumi wera, kia pono ai te rere o te wai.
Ātete ki te Waikura	Ka ārai i te kohikohinga o te unahi, ka pupuri i te rere pai o te wai i roto i te wā.
Te Pāmahana me te Pēhanga Teitei	He pai mō ngā momo whakamahinga, kia mau tonu ai i raro i ngā āhuatanga tino kino.

Hei tāpiri, nā te māmā me te kaha o te hoahoa, ka māmā ake te tāutanga, ā, nā te ātete ki te waikura ka roa te mahi. Mā ngā hononga PPR, ka taea e ngā kaiwhakamahi te pārekareka ki te pēhanga wai me te rere tonu me te kore e manukanuka ki ngā aukati, ki ngā ngoikoretanga rānei.

Ngā Painga Wā Roa o ngā Whakapiringa PPR

Te Whakaiti i ngā Utu Tiaki me te Whakatika

He raruraru pea ngā mahi whakatikatika paipa. Ka whakararuraru i te oranga o ia rā, ā, he maha ngā wā ka puta mai he pire nui.Ka āwhina ngā taputapu PPR ki te whakaiti i teēnei mamae o te upoko. Nā te pakari me te ātete ki te waikura, ka iti ake te pakaru i roto i te wā. Kāore i rite ki ngā paipa whakarewa e waikura ana, e turuturu ana rānei, ka mau tonu te pono o ngā taputapu PPR mō ngā tekau tau. Nā tēnei pono ka iti ake ngā waeatanga ratonga me ngā utu whakatikatika iti iho.

He mahi nui anō tā te hangarau hanumi wera e whakamahia ana i roto i ngā hononga PPR. Ka hangaia he hononga ātete turuturu, kāore e wetekina, e memeha rānei. Mā tēnei hononga haumaru ka whakaitihia te tūponotanga o te kino o te wai, ka arahi pea ki ngā whakatikatika utu nui. I roto i te wā, ka penapena moni ngā kaipupuri whare me ngā pakihi mā te karo i te tiaki me te whakakapinga auau.

Te Whai Hua o te Pūngao me te Iti o ngā Pire Ratonga

He mea nui te whai huatanga o te pūngaote painga o ngā hononga PPR. Ko te iti o te kawe wera o te 0.21 W/(m·K) ka whakarite kia iti te ngaronga wera, kia pai ai mō ngā pūnaha wai wera. Mā te pupuri i te pāmahana o te wai, ka whakaitihia te kaha e hiahiatia ana hei whakamahana anō i te wai. He tino whai hua tēnei āhuatanga i roto i ngā kāinga me ngā ahumahi kei reira te whakamahana wai e whai wāhi nui ana ki te whakamahinga hiko.

Anei ngā huarahi e whai wāhi ai ngā hononga PPR ki te penapena pūngao:

• E 3-5 ngā wā pai ake o te whakamarumaru o ēnei paipa i ngā paipa kirihou tuku iho.
• Ka ārai ngā hononga ātete-tauraki i te ngaronga pūngao, ka penapena tae atu ki te 15% i roto i ngā pūnaha tawhito.
• Ka whakaitihia e te mata maeneene o roto te waku, ka whakapai ake i te rere o te wai me te whai huatanga.

Taunakitanga	Whakaahuatanga
Te Arahi Wera	Ka iti ake te wera e ngaro ana i ngā paipa PPR i te 99.95% ki te whakaritea ki ngā paipa parahi.
Ngā Āhuatanga Ārai	Mā te whakamarumaru pai rawa atu ka roa te wera, te makariri rānei o te wai.
Te Ārai i te Tūtaki	Mā te whakarewa wera e kore ai e turuturu, ka whakaitihia te moumou pūngao.
Te roa o te ora	Ko te roa o te ora mō te 50 tau te tikanga he iti ake ngā whakakapinga, ā, ka penapena pūngao i te roanga o te wā.

Ehara i te mea ka whakaiti noa i ngā pire ratonga mā ēnei āhuatanga, engari ka waiho hoki ngā taputapu PPR hei kōwhiringa pai mō te taiao mō ngā kaiwhakamahi e aro nui ana ki te hiko.

Te Oranga me te Roa o te Taiao

He mea nui ake te pumau i ngā wā katoa. E hangai ana ngā taputapu PPR ki tēnei whāinga mā te tuku i tētahi otinga roa, ā, he pai hoki mō te taiao. He mea hanga mai i ngā rauemi kore-paitini, ka whakarite kia haumaru te tuku wai me te kore e kino ki te taiao. Ko tō rātou ātete ki ngā matū me te tauine ka ārai i te poke, ka noho ma, ka whai hua hoki ngā pūnaha wai.

Mā te roa o te ora o ngā taputapu PPR ka pai ake te pumau o te whakamahinga. Neke atu i te 50 tau te roa o te whakamahinga, ka whakaitihia te hiahia ki te whakakapi pinepine. Mā tēnei pakari ka whakaitihia te para, ka penapena rauemi hoki. Hei tāpiri, mā te hoahoa mama ka whakaitihia ngā tukunga mai i te kawe waka, ka waiho hei huarahi pai ake hei whakakapi i ngā paipa whakarewa tuku iho.

Mā te whiriwhiri i ngā taputapu PPR, ka whai wāhi ngā kaiwhakamahi ki te oranga o te ao, me te whai pūnaha paipa pono hoki. He painga mō te taiao me te kaiwhakamahi hoki.

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He otinga pono, he otinga whai hua hoki ngā taputapu PPR mō ngā paipa hou. Mā te pakari, te whakamahana, me te hoahoa taiao ka aro atu ki ngā raruraru noa pēnei i te turuturu me te waikura. Neke atu i te 50 tau te roa o te ora, ka whakaitihia ngā utu tiaki me ngā pānga ki te taiao. E whakaatu ana te ripanga i raro nei i ō rātou painga matua:

Painga	Whakaahuatanga
Te pakari me te roa o te ora	Ka taea e ngā paipa PPR te ora mō ngā tau neke atu i te 50, ā, he ātete ki te waikura me te tauine.
Ārai-Tūrere	Mā te whakarewa wera e hanga he hononga kaha, maeneene, ka whakaitihia ngā turuturu.
Ātaahua ki te Taiao	Kāore he paitini, ā, ka taea te hangarua, kia pai ai te taiao.
Whai hua te utu	Nā te roa o te ora me te iti o ngā utu ka whai hua te PPR i roto i te wā roa.

Mā te haumi ki ngā taputapu PPR ka whakarite kia whai hua te pūnaha paipa mō ngā tekau tau.

Ngā Pātai Auau

He aha te mea e pai ake ai ngā hononga PPR i ngā paipa whakarewa?

Ka ātete ngā hononga PPR ki te waikura, te hanga unahi, me ngā turuturu. Mā te hoahoa mama ka māmā ake te tāutanga, ā, mā te pakari ka roa ake te ora o te taputapu mō te 50 tau.

Ka taea e ngā taputapu PPR te tu atu i ngā pāmahana tino kino?

Āe! Ka mahi rātou i ngā pāmahana mai i te -40°C ki te +100°C. Nā te pāmahana whakangawari Vicat o te 131.5°C ka pono ai rātou mō ngā pūnaha wai wera.

Tohutohu:He tino pai ngā taputapu PPR mō ngā mahi paipa whare noho me ngā mahi arumoni. Nā te maha o ngā whakamahinga ka waiho hei whiringa matua mō ngā pūnaha hou.

He pai mō te taiao ngā taputapu PPR?

Ae ra! Kāore he paitini o ngā taputapu PPR, ka taea te hangarua, ā, he haumaru hoki mō te wai inu. Nā te roa o te ora ka whakaiti i te para, ka waiho hei otinga paipa pumau.