零件名称 Part name | 阀杆，阀盖 Stem，Bonnet | 阀杆，阀瓣 Stem，disc | 填料 Packing |
J21 3W-16P | 铬镍不锈钢 Cr. Ni Stainless steel | 铬镍不锈钢 Cr. Ni Stainless steel | 聚四氟乙稀，柔性石墨 PTFE，Soft graphite |
J21 3W-160、J2W1 3-40 | 优质碳钢 High grade carbon steel | 铬不锈钢 Cr. Stainless steel | |
外螺纹针型阀主要性能规范:
型号 Type | 公称压力PN Mpa | 试验压力PS(Mpa)_Test pressure | 工作压力(Mpa) Working pressure | 工作温度(OC) Working temps. | 适用介质Applicable medium |
壳体 Shell | 密封(液)Seal | 密封(气)Seal | |||
J13W-16 | 1.6 | 2.4 | 1.76 | 0.6 | 1.6 | P≤540OC | 液化石油气水，酸，蒸汽，油品等 Petroleum gas Water，As，Steam，Oil，etc. |
J13W-40P | 4.0 | 6.0 | 4.4 | 0.6 | 4.0 |
J13W-160 | 16.0 | 24.0 | 17.6 | 0.6 | 16.0 | C≤425 OC |
J13W-320P | 32.0 | 48.0 | 35.2 | 0.6 | 32.0 |
J13W-420P | 42.0 | 63.0 | 46.2 | 0.6 | 42.0 |
