ʻO nā pahu hōʻoia hāmau
Huahana Huahana
Nui a me ke kaumaha
GBPN16
| DN | L | d | D | D1 | D2 | C | f | n-Φb |
| 50 | 120 | 50 | 160 | 125 | 100 | 16 | 3 | 4-Φ18 |
| 65 | 130 | 63 | 180 | 145 | 120 | 18 | 3 | 4-Φ18 |
| 80 | 150 | 80 | 195 | 160 | 135 | 20 | 3 | 8-Φ18 |
| 100 | 165 | 100 | 215 | 180 | 155 | 20 | 3 | 8-Φ18 |
| 125 | 190 | 124 | 245 | 210 | 165 | 22 | 3 | 8-Φ18 |
| 150 | 210 | 148 | 285 | 240 | 212 | 22 | 2 | 8-Φ22 |
| 200 | 255 | 198 | 340 | 295 | 268 | 24 | 2 | 12-Φ22 |
| 250 | 310 | 240 | 405 | 355 | 320 | 26 | 2 | 12-Φ26 |
| 300 | 320 | 297 | 460 | 410 | 378 | 28 | 2 | 12-Φ26 |
ANSI150LB
| NUI | L | d | D | D1 | D2 | C | f | n-Φb |
| 2″ | 120 | 50 | 150 | 120.7 | 92.1 | 16.3 | 2 | 4-Φ19 |
| 2 1/2″ | 130 | 63 | 180 | 139.7 | 104.8 | 17.9 | 2 | 4-Φ19 |
| 3″ | 125 | 80 | 190 | 152.4 | 127 | 19.5 | 2 | 4-Φ19 |
| 4″ | 165 | 100 | 230 | 190.5 | 157.2 | 24.3 | 2 | 8-Φ19 |
| 5″ | 190 | 124 | 255 | 2159 | 1857 | 243 | 2 | 8-Φ22.5 |
| 6″ | 210 | 148 | 280 | 241.3 | 215.9 | 25.9 | 2 | 8-Φ22 |
| 8″ | 255 | 198 | 345 | 298.5 | 269.9 | 29.0 | 2 | 8-Φ22 |
| 10″ | 310 | 248 | 405 | 362 | 323.8 | 30.6 | 2 | 12-Φ25 |
| 12″ | 320 | 297 | 485 | 431.8 | 381 | 32.2 | 2 | 12-Φ25 |
JIS10k
| NUI | L | d | D | D1 | D2 | C | f | n-Φb |
| DN50 | 120 | 50 | 155 | 120 | 96 | 16 | 2 | 4-Φ19 |
| DN65 | 130 | 63 | 175 | 140 | 116 | 18 | 2 | 4-Φ19 |
| DN80 | 150 | 80 | 185 | 150 | 126 | 18 | 2 | 8-Φ19 |
| DN100 | 165 | 100 | 210 | 175 | 151 | 18 | 2 | 8-Φ19 |
| DN125 | 190 | 124 | 250 | 210 | 182 | 20 | 2 | 8-Φ23 |
| DN150 | 210 | 148 | 280 | 240 | 212 | 22 | 2 | 8-Φ23 |
| DN200 | 255 | 198 | 330 | 290 | 262 | 22 | 2 | 12-Φ23 |
| DN250 | 310 | 248 | 400 | 355 | 324 | 24 | 2 | 12-Φ25 |
| DN300 | 320 | 297 | 445 | 400 | 368 | 24 | 3 | 16-Φ25 |
Nā huahana pili
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Hoʻopaʻa Paʻa Paʻa
Huahana Huahana Nui Nui a Kaumaha H44H(Y) GB PN16-160 SIZE PN L(mm) PN L(mm) PN L(mm) PN L(mm) PN L(mm) PN L(mm) i mm 1/2 15 PN16 130 PN25 130 PN40 130 PN63 170 PN100 170 PN160 170 3/4 20 150 150 150 190 190 190 1 25 116 160 160 180 180 180 230 230 230 1 1/2 40 200 200 200 260 260 260 2 50 230 230 230 300 300 ...
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ʻO ka wehewehe ʻana o ka huahana ʻO ka hana o ka valve check ka mea e pale ai i ka media mai ka holo ʻana i hope i ka laina.Check valve no ka papa valve aunoa, wehe a pani i nā ʻāpana e ka ikaika o ke kahe kahe e wehe a pani. ʻO ke kahe ʻana o ke ala hoʻokahi ma ka pipeline, pale i ka backflow waena, e pale i nā pōʻino. ʻO ka wehewehe ʻana o ka huahana: ʻO nā hiʻohiʻona nui 1, ke ʻano o ka flange waena (BB): ua hoʻopaʻa ʻia ka uhi o ke kino valve, ua maʻalahi kēia hale e mālama i ka valve ...
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