J21W/J23W外螺纹截止阀主要零件材料
| 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.NiStainlesss steel | 铬镍不锈钢 Cr.NiStainlesss steel | 聚四氧乙稀、柔性石墨 PTEF,Soft graphite |
| J21/3w-160、J21/3w-40 | 优质碳钢 High grade carbon steel | 铬不锈钢 Cr.Staininliss steel |
| 型号Type | 公称压力(MPa)Nominal pressure Nominal | 试验压力PS(MPs) test Test pressure | 工作压力(MPa)Working pressure | 工作温度(℃)Working temperature | 适用介质Applicable mediun | ||
| 壳体Shell | 密封（液）Seal | 密封（气）Seal | |||||
| J213w-16 | 16 | 2.4 | 1.76 | 0.6 | 16 | p≤200℃ | 液化石油气水、油品等 Petroliun gas Water,Oil etc |
| J21/3w-40p | 4.0 | 6.0 | 4.4 | 0.6 | 4.0 | ||
| J21/3w-160 | 16.0 | 24.0 | 17.6 | 0.6 | 16.0 | C≤425℃ | |
| J21/3w-320p | 32.0 | 48.0 | 35.2 | 0.6 | 32.0 | ||
| 公称直径DN(mm)Nominal diameter | 尺寸Dimensions | 重量(Kg)Weight | ||||||
| Do | D1 | D2 | L | H1 | H2 | M | ||
| 6 | 70 | 14 | 6 | 140 | 96 | 106 | 20×1.5 | 0.9 |
| 10 | 80 | 18 | 10 | 160 | 115 | 125 | 24×1.5 | 1.18 |
| 15 | 100 | 22 | 15 | 180 | 122 | 132 | 30×2 | 2.0 |
| 20 | 110 | 28 | 18 | 220 | 156 | 166 | 36×2 | 3.5 |
| 25 | 140 | 33 | 22 | 230 | 169 | 180 | 42×2 | 4.3 |