A42Y美标普通式安全阀流道Q
| 材料b | 阀门
规格 | ASME
法兰磅级 | 最高设定压力 a (MPa) | 最高出口压力 MPa | 面心距(in.) | 面心距(mm) |
| LB | LB | 常规式和波纹管式阀门 | 常规式阀门 | 波纹管式阀门 | 进口 | 出口 | 进口 | 出口 |
| 阀体/阀盖 | 进口x流道x出口 | 进口 | 出口 | -268～-60℃ | -59～29℃ | -29～38℃ | 232℃ | 427℃ | 538℃ | 38℃ | 38℃ | | | | |
| 温度范围-29～427℃ | | |
| 碳钢Carbon Steel | 6Q8 | 150 | 150 | | | (1.14) | (1.14) | 0.55 | | (0.79) | 0.48 | 9.44 | 9.50 | 240 | 241 |
| 6Q8c | 300 | 150 | | | (1.14) | (1.14) | (1.14) | | (0.79) | 0.48 | 9.44 | 9.50 | 240 | 241 |
| 6Q8 | 300 | 150 | | | (2.07) | (2.07) | (2.07) | | (0.79) | 0.79 | 9.44 | 9.50 | 240 | 241 |
| 6Q8 | 600 | 150 | | | (4.14) | (4.14) | (4.14) | | (0.79) | 0.79 | 9.44 | 9.50 | 240 | 241 |
| 温度范围428～538℃ | | |
| 铬钼钢Chrome Molybdenum Steel | 6Q8 | 300 | 150 | | | | | (1.14) | (1.14) | (0.79) | 0.79 | 9.44 | 9.50 | 240 | 241 |
| 6Q8 | 600 | 150 | | | | | (4.14) | 2.96 | (0.79) | 0.79 | 9.44 | 9.50 | 240 | 241 |
| 温度范围-268～538℃ | | |
| 奥氏体不锈钢Austenitic Stainless Steel | 6Q8 | 150 | 150 | (1.14) | (1.14) | (1.14) | (1.14) | 0.55 | 0.14 | (0.79) | 0.48 | 9.44 | 9.50 | 240 | 241 |
| 6Q8c | 300 | 150 | (1.14) | (1.14) | (1.14) | (1.14) | (1.14) | (1.14) | (0.79) | 0.48 | 9.44 | 9.50 | 240 | 241 |
| 6Q8 | 300 | 150 | (1.72) | (2.07) | (2.07) | (2.07) | (2.07) | (2.07) | (0.79) | 0.79 | 9.44 | 9.50 | 240 | 241 |
| 6Q8 | 600 | 150 | (2.07) | (4.14) | (4.14) | (4.14) | (4.14) | (4.14) | (0.79) | 0.79 | 9.44 | 9.50 | 240 | 241 |
| 温度范围-29～482℃ d | | |
| 镍/铜合金Nickel/Copper Alloy d | 6Q8 | 150 | 150 | | | (1.14) | (1.14) | 0.55 | 0.34 | (0.79) | 0.48 | 9.44 | 9.50 | 240 | 241 |
| 6Q8c | 300 | 150 | | | (1.14) | (1.14) | (1.14) | (0.97) | (0.79) | 0.48 | 9.44 | 9.50 | 240 | 241 |
| 6Q8 | 300 | 150 | | | (2.07) | (2.07) | (2.07) | 1.90 | (0.79) | 0.79 | 9.44 | 9.50 | 240 | 241 |
| 6Q8 | 600 | 150 | | | (4.14) | (4.14) | (4.14) | 3.79 | (0.79) | 0.79 | 9.44 | 9.50 | 240 | 241 |
| 温度范围-29～149℃ e | | |
| 20合金钢Alloy 20 e | 6Q8 | 150 | 150 | | | (1.14) | (1.14) | | | (0.79) | 0.48 | 9.44 | 9.50 | 240 | 241 |
| 6Q8c | 300 | 150 | | | (1.14) | (1.14) | | | (0.79) | 0.48 | 9.44 | 9.50 | 240 | 241 |
| 6Q8 | 300 | 150 | | | (2.07) | (2.07) | | | (0.79) | 0.79 | 9.44 | 9.50 | 240 | 241 |
| 6Q8 | 600 | 150 | | | (4.14) | (4.14) | | | (0.79) | 0.79 | 9.44 | 9.50 | 240 | 241 |
Inlet and outlet flange pressure limits correspond to the values in ASME B16.34 unless enclosed in parentheses.
进出口法兰压力限制，除了括号里边的，其它的可以按ASME B16.34的标准执行。
