HG 20612-97钢制管法兰用金属环垫(欧洲体系) 型式和尺寸
4· 0· 1金属环垫按截面形状分为八角型和椭圆型金属环垫,如图4. 0· 1所示
4. 0· 2八角形、椭圆形金属环垫的尺寸按表4· 0· 2的规定。
4· 0· 3表4· 0· 2所列的垫片尺寸适用于HG 20592所列A、B两个钢管外径系列的钢制管法
表0· 2八角形.椭圆形金属环垫的尺寸 (mm)
公称 Μ径 | PN6. 3MPa(6: | bar) | PN10. OMPa(lOObar) | |||||||
节径 | 环宽 | 环高 | 环平f 宽度 C | 节径 | 环宽 | 环高 | 环平面 | |||
DN | P | 八龟形 Η | 椭圆形 B | P | A | 八角形 H | 椭圆形 Β | 宽度 C | ||
35 | 8 | 13 | 14 | 5- 5 | 〇5 | 8 | 13 | 14 | 5. 5 | |
45 | S | 13 | 14 | 5. 5 | 45 | 8 | 13 | 14 | 5. 5 | |
25 | 50 | 8 | 13 | 14 | 5. 5 | 50 | 8 | 13 | 14 | 5. 5 |
32 | 65 | S | 13 | 14 | 5. 5 65 | ’ 8 | 13 | 14 | 5. 5 | |
40 | 75 | s | 13 | 14 | 5- 5 | 75 | 8 | 1 , 1 〇 | 14 | 5. 5 |
5〇 | 85 | 11 | 16 | IS | 8 | 85 | 11 | 16 | 18 | 8 |
〇〇 | 110 | 'll | 16 | 18 | 8 | 110 | 16 | IS | 8 | |
8〇 | 115 | 11 | 16 | 18 | S | Tl5 ,J | n | 16 | IS | 8 |
^ 00 | 145 | ί6 | 18 | 8 | 14 5 | n | 16 | IS | 8 | |
]?5 | 175 | 11 | 16 | 18 | 8 | 175 | n | 16 | IS | 8 |
150 | £05 | ii | 16 | 18 | 8 | 205 | 11 | 16 | 18 | 8 |
200 | 265 | 11 | 16 | 18 | 8 | 265 | 11 | If; | 18 | 8 |
250 | 320 | XI | 16 | IS | 8 | 320 | 11 | 16 | IS | S |
300 | 375 | 11 | 16 | 18 | 8 | 375 | 11 | 16 | 18 | 8 |
350 | 420 | 31 | 16 | IS | 8 | 420 | 15. 5 | 22 | 24 | 10. 5 |
4〇〇 | 480 | 11 | 16 | 18 | 8 | 480 | 15. 5 | 22 | 24 | 10. 5 |
续表4. 0. 2 | (mm) | |||||||||
公祢 | PN16. 0MPa(160bar) | PN25 | 〇MPa(25〇bar) | |||||||
通径 | 节径 | 环宽 | 环高 | 环平面 | 节径 | 环宽 | 环高 | 环平面 | ||
八角形 | 椭圆形 | 宽度 | 八角形 | 椭圆形 | 宽度 | |||||
DN | P | A | Η | B | C | P | A | Η | B | C |
15 | 35 | 8 | 13 | 14 | 5. 5 | 40 | 8 | 13 | 14 | 5. 5 |
20 | 45 | 8 | 13 | 14 | 5. 5 | 45 | 8 | 13 | 14 | 5. 5 |
25 | 50 | 8 | 13 | 14 | 5· 5 | 50 | 8 | 13 | 14 | 5. 5 |
32 | 65 | 8 | 13 | 14 | 5. 5 | 65 | 8 | 13 | 14 | 5. 5 |
40 | 75 | 8 | 13 | 14 | 5. 5 | 75 | 8 | 13 | 14 | 5. 5 |
50 | 95 | 11 | 16 | 18 | 8 | 95 | 11 | 16 | 18 | 8 |
65 | 110 | 11 | 16 | 18 | 8 | 110 | 11 | 16 | 18 | 8 |
80 | 130 | 11 | 16 | 18 | 8 | 135 | 11 | 16 | 18 | δ |
100 | i(i0 | 11 | 16 | 18 | 8 | 160 | Π | 16 | IS | |
125 | 190 | Π | 16 | 18 | 8 | 195 | 11 | 16 | 18 | 8 |
150 ' | 205 | 13 | 20 | 22 | 9 | 210 | 13 | 20 | 22 | 9 |
200 | 275 | 15. 5 | 22 | 24 | 】0. 5 | 275 | 15. 5 | 22 | 24 | 10. 5 |
230 | 330 | 15. 5 | 22 | 24 | 10. 5 | 330 | 15- 5 | 22 | 24 | 10. 5 |
300 | 2] | 28 | 30 | 14 | 380 | 21 | - | 30 | U |