| 公称通径 | 150LB | 300LB | 600LB | 900LB | 1500LB | 2500LB | |
| Nominal Size | |||||||
| DN | NPS | 2.0MPa | 5.0MPa | 10.0MPa | 15.0MPa | 25.0MPa | 42.0MPa |
| 15 | 1/2 | 3 | 6 | 6 | 6 | 6 | 10 |
| 20 | 3/4 | 3 | 6 | 6 | 6 | 10 | 10 |
| 25 | 1 | 3 | 6 | 6 | 6 | 10 | 10 |
| 32 | 1.1/4 | 6 | 6 | 10 | 10 | 10 | 13 |
| 40 | 1.1/2 | 6 | 6 | 10 | 10 | 13 | 16 |
| 50 | 2 | 6 | 10 | 10 | 13 | 13 | 16 |
| 65 | 2.1/2 | 6 | 10 | 13 | 13 | 16 | 19 |
| 80 | 3 | 6 | 10 | 13 | 16 | 19 | 22 |
| 90 | 3.1/2 | 10 | 13 | 16 | - | - | - |
| 100 | 4 | 10 | 13 | 16 | 19 | 22 | 28 |
| 125 | 5 | 10 | 16 | 19 | 22 | 28 | 35 |
| 150 | 6 | 13 | 16 | 22 | 25 | 35 | 41 |
| 200 | 8 | 13 | 22 | 28 | 35 | 41 | 54 |
| 250 | 10 | 16 | 25 | 35 | 41 | 51 | 67 |
| 300 | 12 | 19 | 28 | 41 | 48 | 60 | 79 |
| 350 | 14 | 19 | 32 | 44 | 54 | 67 | - |
| 400 | 16 | 22 | 38 | 51 | 60 | 76 | - |
| 450 | 18 | 25 | 41 | 54 | 67 | 86 | - |
| 500 | 20 | 28 | 44 | 64 | 73 | 95 | - |
| 600 | 24 | 32 | 51 | 73 | 89 | 111 | - |
| 说明： | |||||||
| 1、本系列产品符合API590要求，用于符合下列要求的突面法兰：ANSI B16.5、SH3406、ISO7005-1、GB9112-9124、HG20615(美洲体 | |||||||
| 系)。 | |||||||
| 2、盲板、插环及八字盲板厚度均已包括腐蚀裕量： | |||||||
| 碳钢、低合金钢、低温钢裕量为1.3mm； | |||||||
| 不锈钢裕量为0mm | |||||||
| 3、本系列产品适用于平垫片，如用于其它型式垫片(如八角垫等)应与制造厂协商，并调整厚度。 | |||||||
| 4、也可按HG21547-93要求生产。 | |||||||
| 公称通径 |
0.6MPa | 1.0MPa | 1.6MPa | 2.5MPa | 4.0MPa | ||
| Nominal Size | |||||||
| DN | |||||||
| 15 | 8 | 8 | 8 | 8 | 8 | ||
| 20 | 8 | 8 | 8 | 8 | 8 | ||
| 25 | 8 | 8 | 8 | 8 | 9/8 | ||
| 32 | 8 | 8 | 8 | 8 | 10/8 | ||
| 40 | 8 | 8 | 8 | 9/8 | 10/8 | ||
| 50 | 8 | 8 | 9/8 | 10/8 | 12/10 | ||
| 65 | 8 | 8 | 10/8 | 11/9 | 13/11 | ||
| 80 | 8 | 8 | 10/8 | 12/10 | 14/12 | ||
| 100 | 10/8 | 9/8 | 12/10 | 14/12 | 16/14 | ||
| 125 | 11/9 | 10/8 | 13/11 | 16/14 | 19/17 | ||
| 150 | 12/10 | 12/10 | 15/13 | 17/15 | 21/19 | ||
| 200 | 14/12 | 13/11 | 17/15 | 21/19 | 27/25 | ||
| 250 | 17/15 | 15/13 | 20/18 | 25/23 | 32/30 | ||
| 300 | 19/17 | 17/15 | 23/21 | 29/27 | 37/35 | ||
| 350 | 21/19 | 18/16 | 26/24 | 33/31 | 42/40 | ||
| 400 | 23/21 | 20/18 | 29/27 | 36/34 | 48/46 | ||
| 450 | 25/23 | 22/20 | 32/30 | 39/37 | 50/48 | ||
| 500 | 28/26 | 25/23 | 35/33 | 43/41 | 54/52 | ||
| 600 | 32/30 | 41/39 | 51/49 | 65/62 | |||
