主要零件材料
| 零件名稱 Part name | 閥桿，閥蓋 Stem，Bonnet | 閥桿，閥瓣 Stem，disc | 填料 Packing |
| J21 /3W-16P | 鉻鎳不銹鋼 Cr. Ni Stainless steel | 鉻鎳不銹鋼 Cr. Ni Stainless steel | 聚四氟乙稀，柔性石墨 PTFE，Soft graphite |
| J21 /3W-160、J2W1 3-40 | 優(yōu)質(zhì)碳鋼 High grade carbon steel | 鉻不銹鋼 Cr. Stainless steel |
主要性能規(guī)范
| 型號 Type | 公稱壓力PN Mpa | 試驗壓力PS(Mpa)_Test pressure | 工作壓力(Mpa) Working pressure | 工作溫度(OC) Working temps. | 適用介質(zhì)Applicable medium | ||
| 殼體 Shell | 密封(液)Seal | 密封(氣)Seal | |||||
| J23W-16 | 1.6 | 2.4 | 1.76 | 0.6 | 1.6 | P≤540OC | 液化石油氣水，酸，蒸汽，油品等 Petroleum gas Water，As，Steam，Oil，etc. |
| J23W-40P | 4.0 | 6.0 | 4.4 | 0.6 | 4.0 | ||
| J23W-160 | 16.0 | 24.0 | 17.6 | 0.6 | 16.0 | C≤425 OC | |
| J23W-320P | 32.0 | 48.0 | 35.2 | 0.6 | 32.0 | ||
| J23W-420P | 42.0 | 63.0 | 46.2 | 0.6 | 42.0 | ||
主要外形及連接尺寸
| 公稱直徑DN（mm） | 尺寸 Dimension | 重量(kg)Weight | ||||||
| Do | D1 | D2 | L | H1 | H2 | M | ||
| 6 | 65 | 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 | 30×2 | 3.5 |
| 25 | 140 | 33 | 22 | 230 | 169 | 180 | 39×2 | 4.3 |
