?????? ?????? ?????? ?????? ??????? ???????? ??????


????? ???????:
?????? ????? ?????? ????? ?? ????? ???? ???? ????? ?????? ?????? ???? ??????? ??????? ??? ?? ???? ????????? ????? ?????? ???? ?? ????????? ?????? ???? ???? ?????? ???? ?????? ?????? ????????.
?????????:
Nominal diameter DN/mm | Allowable error/% | Nominal pressure PN/MPa | |||||
0.6 | 0.8 | 1.0 | |||||
Minimum Wall thickness e n / mm | Minimum Structure height h c /mm | Minimum Wall thickness e n / mm | Minimum Structure height h c /mm | Minimum Wall thickness e n / mm | Minimum Structure height h c /mm | ||
315 |
±2 | 6 | 17 | 6 | 17 | 6 | 17 |
355 | 6 | 17 | 6 | 17 | 6 | 17 | |
400 | 8 | 20 | 8 | 20 | 8 | 20 | |
450 | 8 | 20 | 8 | 20 | 8 | 20 | |
500 | ±3 | 8 | 21 | 8 | 21 | 8 | 21 |
560 | 8 | 21 | 8 | 21 | 8 | 21 | |
630 | 8 | 24 | 8 | 24 | 8 | 24 | |
710 | ±4 | 8 | 24 | 8 | 24 | 8 | 24 |
800 | 10 | 30 | 10 | 30 | 10 | 30 | |
1000 | 10 | 35 | 10 | 35 | 10 | 35 | |
1200 | 10 | 35 | 10 | 35 | -- | -- | |
1600 | ±5 | 20 | 56 | 20 | 56 | -- | -- |
1800 | 20 | 56 | 20 | 56 | -- | -- | |
2000 | 24 | 65 | 24 | 65 | -- | -- | |
2200 | 24 | 65 | -- | -- | -- | -- | |
????????: ????? ????? ?????? ???????? ??DN200 ??? DN1200 ????? ???????(DN/OD)? ??? DN1400 ??? DN2600 ????? ???????(DN/ID). | |||||||
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