结构特点与用途：
Strucure features and usages:
- 全关时手轮按顺时针方向旋转；
- 可以安装在管道的任何位置上，介质从下往上流；
- 不锈钢截止阀适用于各类腐蚀性介质的管道上，有良好的防腐性和足够的强度；
- 合金钢截止阀适用于耐高温的蒸汽、油品管道上，具有耐高温特点。
- When fully closed,the handwheel rotates clockwise.
- Able to be mounted on any position of the pipeline,the medium flows from down to up.
- Stainless steel made stop valve is of good anti-corrosive property and enough strength and suitable for various pipelines with corrosive medium.
- Alloy steel made stop valve features high-temperature resistance,suitable for high-temperature steam and oil goods pipelines.
试验压力
Test pressure
| 公称压力PN(MPa)Nominal pressure | 1.6 | 2.5 | 4.0 | 6.4 | 10.0 | 16.0 |
| 壳体强度试验Shell strength test | 2.4 | 3.8 | 6.0 | 9.6 | 15 | 24 |
| 上密封试验Back seal test | 1.8 | 2.8 | 4.4 | 7.0 | 11 | 18 |
| 密封试验Seal test | 1.8 | 2.8 | 4.4 | 7.0 | 11 | 18 |
使用范围
Scope of use
| 产品类型Product classification | 适用介质Suitable medium | 适用温度（℃）Suitable temperature |
| J41(H.Y)-C型 J941(H.Y)-C型 |
水、蒸汽、油品Water,steam,oilgoods | ≤425℃ ≤450℃ |
| J41W-P型 J941W-P型 |
硝酸类Nitric acid | ≤200℃ |
| J41W-R弄 | 醋酸类Acetic acid | ≤200℃ |
| J41Y-I型 J941Y-I型 |
水、蒸汽、油品Water,steam,oilgoods | ≤550℃ |
主要零件材料：
Material for main parts：
| 产品类型Product classification | 零件名称Part name | |||||||
| 阀体、阀盖Body bonnet | 阀杆Valve stem | 阀瓣Disc | 密封面Sealing face | 阀杆螺母Yoke nut | 填料Packing | 紧固件Fastener | 手轮Handwheel | |
| J41(H.Y)-C型 J941(H.Y)-C型 | 25、WCB | 铬不锈钢Cr.Stainless steel | 2Cr1325 | H:不锈钢Y:钴基硬质合金钢H:Stainless steelY:Co-based carbide alloy steel | 铝青铜Albronze | 柔性石墨Flexible graphite | 优质碳钢High-grade carbon steel | 可锻铸铁Forgeable cast-iron |
| J41W-P型J941W-P型 | 铬镍钛钢Cr.Ni.Ti steel | 铬镍钛钢Cr.Ni.Ti steel | 铬镍钛钢Cr.Ni.Ti steel | 铬镍钛钢Cr.Ni.Ti steel | 铝青铜Albronze | 柔性石墨Flexible graphite | 不锈钢Stainless steel | 可锻铸铁Forgeable cast-iron |
| J41W-R型 | 铬镍钼钛钢Cr.Ni.Mo.Ti steel | 铬镍钼钛钢Cr.Ni.Mo.Ti steel | 铬镍钼钛钢Cr.Ni.Mo.Ti steel | 铬镍钼钛钢Cr.Ni.Mo.Ti steel | 铝青铜Albronze | 柔性石墨Flexible graphite | 不锈钢Stainless steel | 可锻铸铁Forgeable cast-iron |
| J41Y-I型J941Y-I型 | 铬钼钢 Cr.Mo steel | 铬钼钢Cr.Mo steel | 合金钢Alloy steel | 钴基硬质合金钢C0-based carbide alloy steel | 铝青铜Albronze | 柔性石墨Flexible graphite | 合金钢Alloy steel | 可锻铸铁Forgeable cast-iron |
