一、 J21/23外螺紋針型閥 產(chǎn)品簡(jiǎn)圖
J21/3W-1.6/32P型外螺紋針型閥(帶接管)
二、 J21/23 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PTEF,Soft graphite |
| J21/3W-160、J21/3W -40 | 優(yōu)質(zhì)碳鋼High grade carbon steel | 鉻不銹鋼Cr,Stainless steel | |
三、 J21/23 主要性能規(guī)范:
| 型號(hào)Type | 公稱壓力(MPa)Nominal Pressure | 試驗(yàn)壓力PS(MPa)Test pressure | 工作壓力(MPa)Working Pressure | 工作溫度(℃)Working Temperature | 適用介質(zhì) Suitable |
| 殼體(MPa) Shell | 密封(液) Seal | 密封(氣) Seal |
| J21/3W -16 | 1.6 | 2.4 | 1.76 | 0.6 | 1.6 | P≤540℃ | 液化石油氣水、酸、蒸汽、油品等Petroleum gas Water,Asic,Steam, Oil etc. |
| J21/3W 40P | 4 | 6 | 4.4 | 0.6 | 4 |
| J21/3W-160 | 16 | 24 | 17.6 | 0.6 | 16 | C≤425℃ |
| J21/3W -320P | 32 | 48 | 35.2 | 0.6 | 32 |
四、 J21/23 主要外型及連接尺寸:
| 公稱直徑DN(mm) | 尺 寸 Dimensions | 重量(Kg) |
| Nominal diameter | Do | D1 | D2 | L | H1 | H2 | M | Weight |
| 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 |
| 20 | 110 | 28 | 18 | 220 | 156 | 166 | 36×2 | 3.5 |
| 25 | 140 | 33 | 22 | 230 | 169 | 180 | 39×2 | 4.3 |