公称压力PN(Lb) NominalPressure | 强度试验 Shell Test | 气密封试验 Air Seal Test | 气密封试验 Air Seal Test | |||
MPa | Lbf/in2 | MPa | Lbf/in2 | MPa | Lbf/in2 | |
150 | 3.0 | 430 | 2.2 | 315 | 0.4-0.7 | 60-100 |
300 | 7.7 | 1110 | 5.7 | 815 | ||
600 | 15.3 | 2220 | 11.3 | 1630 | ||
900 | 23.0 | 3330 | 17.0 | 2445 | ||
1500 | 38.4 | 5560 | 28.2 | 4080 | ||
2500 | 64.0 | 9255 | 47.0 | 6790 |
主要零件材料及性能
体、盖 | 阀杆 | 密封面 | 垫片(环) | 填料 | 工作温度 | 适用介质 |
WCB | 2Cr13 | 13Cr STL 木体材料 With Body Material 尼龙 Nylon | 增强柔性石墨 13Cr/柔性石墨 Enhanced Flexible Graphite 1Cr13/Flexible Graphite SFB-2 08软钢 08 Soft Steal F304 F316 F304L F316L | 柔性石墨 增强柔性石墨 Flexible Graphite Enhanced Flexible Graphite SFB/260 SFP/260 PTFE | ≤425 | 水 蒸汽 油品 Water Steam Petroleum Products |
WC1 | 38CrMoAl 25Cr2MoV | ≤425 | ||||
WC6 | ≤540 | |||||
WC9 | ≤570 | |||||
C5 C12 | ≤540 | |||||
CF8 | F304 | ≤200 | 硝酸 醋酸 尿素 Nitric acid Acetic acid | |||
CF8M | F316 | |||||
CF3 | F304L | |||||
CF3M | F316L |
