Ngā Paipa Rino Whakarewahia ki te Porowhita ASTM A252 Tau 1 2 3

Āhuatanga Mīhini

Tātaritanga hua

Kaua te maitai e neke atu i te 0.050% te whākawa.

Ngā Rerekētanga e Whakaaetia ana i roto i ngā Taumaha me ngā Ahu

Me paunatia motuhake ia roa o te puranga paipa, ā, kaua tōna taumaha e neke atu i te 15% neke atu, i te 5% rānei i raro i tōna taumaha matapae, mā te tatau i tōna roa me tōna taumaha mō ia wae roa.
Kaua te whānui o waho e neke atu i te ±1% mai i te whānui o waho kua tohua
Ko te matotoru o te pakitara i tetahi wāhi kaua e neke ake i te 12.5% ​​i raro i te matotoru o te pakitara kua tohua

Roa

Roa matapōkere takitahi: 16 ki te 25 putu (4.88 ki te 7.62m)
Roa matapōkere takirua: neke atu i te 25 putu ki te 35 putu (7.62 ki te 10.67m)
Ngā roa ōrite: te rerekētanga e whakaaetia ana ±1inihi

Ngā mutunga

Me whakapaipai ngā puranga paipa ki ngā pito papatahi, ā, me tango ngā kōhao i ngā pito.
Ina tohua te pito paipa hei pito piko, me 30 ki te 35 nekehanga te koki

Te tohu hua

Me tohu mārama ia roa o te puranga paipa mā te tā, te tā, te hurihuri rānei hei whakaatu i: te ingoa, te waitohu rānei o te kaihanga, te tau wera, te tukanga hanga a te kaihanga, te momo hononga porowhita, te diameter o waho, te matotoru o te pakitara ingoa, te roa, me te taumaha mō ia wae roa, te tohu whakatakotoranga me te tohu.