Backflow kev ruaj ntseg valve
AHN42F-P25C, AHN42F-P18C
Lub valve no yog mounted rau ntawm cov kua effluence pipeline ntawm lub lauj kaub twj tso kua mis lub qhov hluav taws xob ntawm lub liquefied roj av chaw nres tsheb, thaum pem hauv ntej lub twj tso kua mis siab tshaj li lub valve, lub valve yuav qhib tau txais thiab ua rau kom muaj kev nyab xeeb rov qab ntawm cov kua yog li ntawd kom muaj kev ruaj ntseg ua hauj lwm. khoom siv thiab kav dej.
| Nominal txoj kab uas hla DN (mm) | Qhov Loj (mm) | ||||||
| D | D1 | D2 | b | Z-Φd | L | H | |
| 25 | 115 | 85 | 65 | 16 | 4–14 | 160 | 325 |
| 32 | 140 | 100 | 78 | 16 | 4–18 | 180 | 335 |
| 40 | 150 | 110 | 85 | 16 | 4–18 | 200 | 236 |
| 50 | 165 | 125 | 100 | 16 | 4–18 | 230 | 266 |
| 65 | 185 | 145 | 120 | 20 | 4–18 | 290 | 430 |
| 80 | 200 | 160 | 135 | 20 | 8–18 | 310 | 490 ib |
| 100 | 215 | 180 | 155 | 22 | 8–18 | 350 | 548 ib |
| 150 | 280 | 240 | 210 | 24 | 8–23 | 480 | 706 ib |
