Давление условное, Ру, МПа (кгс/см2) | Класс герме- тичности затвора | Пропуск воздуха, см3/мин при Dy, мм, арматуры | |||||||||||||||
25 | 32 | 40 | 50 | 65 | 80 | 100 | 125 | 150 | 200 | 250 | 300 | 350 | 400 | 500 | 600 | ||
0,25(2,5) | I | 1,5 | 2,0 | 3 | 4 | 6 | 8 | 11 | 15 | 22 | 30 | 45 | 60 | 70 | 90 | 120 | 160 |
II | 4,5 | 6,0 | 9 | 12 | 18 | 25 | 35 | 45 | 60 | 90 | 140 | 180 | 200 | 250 | 350 | 500 | |
0,6(6,0) | I | 2,5 | 4,0 | 5 | 7 | 10 | 13 | 20 | 26 | 40 | 55 | 80 | 110 | 130 | 150 | 220 | 280 |
II | 8,0 | 12,0 | 15 | 20 | 30 | 40 | 60 | 80 | 120 | 150 | 250 | 350 | 400 | 450 | 650 | 800 | |
1,0(10,0) | I | 4,0 | 5,5 | 7 | 10 | 15 | 20 | 30 | 40 | 55 | 80 | 120 | 160 | 200 | 230 | 320 | 440 |
II | 12,0 | 16,0 | 20 | 30 | 45 | 60 | 90 | 120 | 150 | 250 | 350 | 500 | 600 | 800 | 1000 | 1300 | |
1,6(16,0) | I | 5,0 | 8,0 | 11 | 15 | 24 | 30 | 45 | 60 | 90 | 120 | 180 | 250 | 300 | 350 | 500 | 650 |
II | 15,0 | 25,0 | 30 | 45 | 70 | 90 | 140 | 180 | 250 | 350 | 550 | 800 | 900 | 1000 | 1500 | 2000 | |
2,5(25,0) | I | 8 | 12 | 15 | 24 | 32 | 45 | 60 | 90 | 120 | 180 | 250 | 350 | 450 | 500 | 700 | 1000 |
II | 25 | 35 | 45 | 70 | 100 | 140 | 180 | 250 | 350 | 550 | 800 | 1000 | 1400 | 1500 | 2000 | 3000 | |
4,0(40,0) | I | 12 | 20 | 25 | 35 | 50 | 65 | 100 | 130 | 180 | 270 | 400 | 550 | 700 | 800 | 1100 | 1500 |
II | 35 | 60 | 80 | 100 | 150 | 200 | 300 | 400 | 550 | 800 | 1200 | 1500 | 2000 | 2500 | 3500 | 4500 | |
6,4(64,0) | I | 20 | 30 | 40 | 60 | 90 | 120 | 150 | 220 | 300 | 450 | 650 | 900 | 1200 | 1300 | 1800 | 2400 |
II | 60 | 90 | 120 | 180 | 250 | 350 | 450 | 700 | 900 | 1400 | 2000 | 2500 | 3500 | 4000 | 5500 | 7000 | |
I | 30 | 45 | 60 | 90 | 130 | 170 | 250 | 350 | 500 | 700 | 1000 | 1300 | 1700 | 2000 | 2900 | 4000 | |
II | 90 | 140 | 180 | 250 | 400 | 500 | 800 | 1000 | 1500 | 2000 | 3000 | 4000 | 5000 | 6000 | 9000 | 12000 | |
16,0(160,0) | I | 50 | 65 | 90 | 130 | 200 | 260 | 400 | 550 | 700 | 1100 | 1500 | 2200 | 2600 | 3000 | 4500 | 6000 |
II | 150 | 200 | 250 | 400 | 600 | 800 | 1200 | 1500 | 2000 | 3000 | 4500 | 6500 | 8000 | 9000 | 14000 | 18000 | |
Таблица 12. Нормы герметичности затворов вентилей при испытании воздухом
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