Èí¹Ü×ܳɳ¤¶È¹«²î(mm) | |||
Èí¹Ü×ܳɳ¤¶È¹«²î (mm) | Tolerance | ||
DN<25 | 25<¹«³ÆÄÚ¾¶Hose DN<50 | DN>50 | |
630 | +7mm -3mm | +12mm -4mm | +25mm -6mm |
630<×ܳɳ¤¶È<1250 | +12mm -4mm | +20mm -6mm | |
1250<×ܳɳ¤¶Ègth <2500 | +20mm -6mm | +25mm -6mm | |
2500<×ܳɳ¤¶È<8000 | -1.50% -0.50% | ||
>8000 | 3% -1% |