阀门知识
阀门材料的温度极限
时间：2010/7/16来源：www.cnsjfm.com作者：三精阀门
| 焊接连接 SOLDER USED IN JOINTS |
工作温度 华氏oF SERVICE TEMPERATURE DEGREES oF |
水，包括其它非腐蚀性液体和气体 WATER, Including other noncorrosive liquids and gases |
饱和气体 SATURATED STEAM | ||
| 阀门公称通径 Valve Sizes |
（psig） | ||||
| 1/4英寸至1英寸 1/4" through 1" |
1/4英寸至2英寸 1/4" through 2" |
2 1/2英寸至2英寸 2 1/2" through 2" |
1/4英寸至4英寸 1/4" through 4" | ||
| 50 -- 50 锡 -- 铅 (ASTM B-32) 50 - A等级合金 50 -- 50 Tin -- Lead (ASTM B-32) Alloy Grade 50 - A |
100 | 200 | 175 | 160 | -- |
| 150 | 150 | 125 | 100 | -- | |
| 200 | 100 | 90 | 75 | -- | |
| 250 | 85 | 75 | 50 | 15* | |
| 95 -- 5 锡 -- 锑 95 -- 5 Tin -- Antimony |
100 | 500 | 400 | 300 | -- |
| 150 | 400 | 350 | 275 | -- | |
| 200 | 300 | 250 | 200 | -- | |
| 250 | 200 | 175 | 150 | 15* | |
| * 这个压力取决于饱和蒸气在表中的最高温度。 ? 本表根据美国国家标准局公布的“建造材料和结构报告BMS58和BMS83“编制而成。 * This Pressure is determined by the temperature of saturated steam at the maximum temperature shown. ? Tables from National Bureau of Standards publications "Building Materials and Structures Reports BMS58 and BMS83" |
| 青铜额定压力阀门的压力／温度额定值? PRESSURE/TEMPERATURE RATINGS FOR BRONZE PRESSURE RATED VALVES? |
| 压力 -- PSI PRESSURE -- PSI | |||
| 压力等级 PRESS. CLASS |
1252, 3 | 150 | 300 |
| 连接端口 END CONN. |
螺纹 THD. |
螺纹 THD. |
螺纹 THD. |
| 温度 TEMP. |
材料 MATERIAL | ||
| 温度 oF (DEG. oF) |
ASTM B-62 | ASTM B-61 | |
| -20至150 -20 to 150 |
200 | 300 | 600 |
| 200 | 185 | 270 | 560 |
| 250 | 170 | 240 | 525 |
| 300 | 155 | 210 | 490 |
| 350 | 140 | 180 | 450 |
| 400 | -- | -- | 410 |
| 406 | 125 | 150 | -- |
| 450 | 1201 | 1451 | 375 |
| 500 | -- | -- | 340 |
| 550 | -- | -- | 300 |
| 1 有些规程（例如：ASME，BPVC，SECTION 1）将上述材料的额定温度限制在406oF以下。 Some codes (i.e., ASME BPVC, SECTION 1) limit the rating temperatures of the indicated material to 406oF. 2 丁腈橡胶阀瓣阀门的温度限制在180oF以下。 Buna-N disc valves limited to 180oF temperatures. 3 TFE阀瓣阀门的温度限制在450oF以下。 TFE disc valves limite to 450oF temperatures. 4 焊接连接端口阀门温度限制在不影响焊接连接端口的强度范围内。 Solder end valves are limited by temperatures which affect the strength of the solder joint. ? 本表引自MSS-SP80 Tables from MSS-SP80 |
| 尼伯科灰铸铁和球墨铸铁阀门的压力／温度额定值 PRESSURE/TEMPERATURE RATINGS FOR NIBCO GRAY IRON AND DUCTILE IRON VALVES |
| 灰铁 GRAY IRON |
球墨铸铁 DUCTILE IRON | |||||
| 温度oF 1), 2) Temperature Degrees oF 1), 2) |
125磅级 200水、油、气 Class 125 200 WOG |
250磅级 500水、油、气 Class 250 500 WOG |
150磅级 Class 150 | |||
| 2" - 12" | 14" - 24" | 30" - 48" | 2" - 12" | 14" - 24" | 2" - 12" | |
| -20 to 100 | 200 | 150 | 150 | 500 | 300 | 250 |
| 150 | 200 | 150 | -- | 500 | 300 | 243 |
| 200 | 190 | 135 | 115 | 460 | 280 | 235 |
| 225 | 180 | 130 | 100 | 440 | 270 | -- |
| 250 | 175 | 125 | 85 | 415 | 260 | 225 |
| 275 | 170 | 120 | 65 | 395 | 250 | -- |
| 300 | 165 | 110 | 50 | 375 | 240 | 215 |
| 325 | 155 | 105 | -- | 355 | 230 | -- |
| 350 | 150 | 100 | -- | 335 | 220 | 210 |
| 375 | 145 | -- | -- | 315 | 210 | -- |
| 400 | 140 | -- | -- | 290 | 200 | 200 |
| 425 | 130 | -- | -- | 270 | -- | -- |
| *450 | 125 | -- | -- | 250 | -- | 185 |
| 500 | -- | -- | -- | -- | -- | 170 |
| 550 | -- | -- | -- | -- | -- | 155 |
| 600 | -- | -- | -- | -- | -- | 140 |
| 650 | -- | -- | -- | -- | -- | 125 |