Porowini Porowhita Porowhita Tiaki
Ngā āhuatanga
1.Ste parenga tinana o te whare hokohoko, me te whanau katoa kaore he parenga rere.
2. Hanganga ngawari, ohaoha me te mahi, te watea me te whakaurunga tere.
3. He pai te hiri me te pono, he pai te mahi hiri, ka taea te hiri pai te poi ki te tinana takirere, te hiri.paii roto i te miihini paipa.
4. He ngawari ki te whakahaere, te whakatuwhera tere&kati, me huri noa i te 90° mai i te tuwhera ki te kati, he pai mo te whakahaere tawhiti.
5. He watea te tiaki, he ngawari te hanganga o te paera poroporo, he mea neke te mowhiti hiri, a he pai ake te whakakore me te whakakapi.
6. He pai te aukati waikura.Ka tuwhera, ka kati ranei, ka wehea te mata hiri o te poi me te nohoanga takirere mai i te reo.Ka whiti te reo, e kore e paheke te mata o te hiri.
7. Na te mea te muru o te paera poipoi i roto i te whakatuwheratanga me te kati kati, ka taea te whakamahi katoa i roto i te reo me nga matūriki totoka iri..
8. Ka taea te kati te paera poroporo Q81F ki te aukati i te kino na te mahi pohehe.
Nga tono
Kei te whakamahia nuitia i roto i nga momo ahumahi penei i te ahumahi matū, te miihini hiko, te hanga miihini, te hanga kaipuke, te hiko hiko, te petrochemical, te whakarewa, te paipa, te maimoatanga wai, te hanga taputapu miihini, te pipeline pneumatic, te pipelines hydraulic, etc.
Ahu
| Rahi | d1 | d2 | K | H | S | L |
| 1/2” | 9.5 | 12.7 | 25.4 | 65 | 130 | 90 |
| 3/4” | 16 | 19.1 | 50.5 | 65 | 130 | 90 |
| 1” | 22.4 | 25.4 | 50.5 | 70 | 160 | 115 |
| 1 1/4” | 28 | 31.8 | 50.5 | 80 | 170 | 125 |
| 1 1/2” | 35 | 38.1 | 50.5 | 95 | 173 | 140 |
| 2” | 47.5 | 50.8 | 64 | 93 | 225 | 156 |
| 2 1/2” | 59.5 | 63.5 | 77.5 | 115 | 265 | 195 |
| 3” | 73 | 76.2 | 91 | 140 | 300 | 220 |
| 3 1/2” | 85 | 89 | 106 | 140 | 300 | 230 |
| 4” | 98 | 101.6 | 119 | 152 | 315 | 240 |
