Ko te Hua Pai rawa atu ka taea e te Mini Backflow Preventer te tuku ki ngā whenua katoa i hangaia ki TWS

Whakaahuatanga Poto:

Rahi:DN 15~DN 40
Pēhanga:PN10/PN16/150 psi/200 psi
Paerewa:
Hoahoa: AWWA C511/ASSE 1013/GB/T25178


Taipitopito Hua

Ngā Tohu Hua

Whakaahuatanga:

Kāore te nuinga o ngā kainoho e tāuta ana i te ārai rere whakamuri ki roto i ā rātou paipa wai. He tokoiti noa iho ngā tāngata e whakamahi ana i te takirere tirotiro noa hei ārai i te hekenga o te wai. Nō reira, he nui te kaha o te hekenga o te wai. Ā, he utu nui te momo ārai rere whakamuri tawhito, ā, he uaua ki te tango wai. Nō reira, he tino uaua ki te whakamahi whānui i mua. Engari i nāianei, kua whakawhanakehia e mātou te momo hou hei whakaoti i tēnei raruraru. Ka whakamahia whānuitia tā mātou ārai hekenga iti ārai maturuturu i roto i te hunga whakamahi noa. He taputapu whakakotahi whakahaere mana wai tēnei mā te whakahaere i te pēhanga i roto i te paipa kia tutuki ai te rere kotahi-ara. Ka ārai i te rere whakamuri, ka karo i te mita wai kua hurihia, ka ārai hoki i te maturuturu. Ka whakamanahia te wai inu haumaru, ā, ka ārai hoki i te parahanga.

Ngā Āhuatanga:

1. Hoahoa mātotoru tika, ātete rere iti me te haruru iti.
2. Hanganga kiato, rahi poto, ngāwari te tāutanga, penapena wāhi tāutanga.
3. Ārai i te hurihanga o te mita wai me te whakanui ake i ngā mahi ārai-ngoikore,
He āwhina te pupuri i te wai kia mākū tonu mō te whakahaere i te wai.
4. He roa te ora o ngā rauemi kua tīpakohia.

Te Kaupapa Mahi:

He mea hanga mai i ngā takirere tirotiro e rua mā roto i te miro
hononga
He taputapu whakakotahi whakahaere mana wai tēnei mā te whakahaere i te pēhanga i roto i te paipa kia tutuki ai te rere kotahi-ara. Ina tae mai te wai, ka tuwhera ngā kōpae e rua. Ina mutu, ka katihia e tōna puna. Ka ārai i te rere whakamuri, ā, ka ārai hoki i te hurihanga o te mita wai. He painga anō tō tēnei takirere: Ka whakamana i te taurite i waenga i te kaiwhakamahi me te Kamupene Tuku Wai. Ina iti rawa te rere hei utu (pēnei i: ≤0.3Lh), ka whakatauhia tēnei āhuatanga e tēnei takirere. E ai ki te panonitanga o te pēhanga wai, ka huri te mita wai.
Tāutanga:
1. Horoia te paipa i mua i te whakaurunga.
2. Ka taea te tāuta i tēnei takirere ki ngā taha whakapae me ngā taha poutū.
3. Kia mau tonu te ahunga o te rere o te reo me te ahunga o te pere i te wā e tāuta ana.

Ngā Ahu:

rerenga whakamuri

iti

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