点击查看大图
截止阀的阀瓣一旦处于开启状况，它的阀座和阀瓣密封面之间就不再的接触，并具有非常可靠的切断动作，合得这种阀门非常适合作为介质的切断或调节及节流使用。
截止阀一旦处于开启状态，它的阀座和阀瓣密封面之间就不再有接触，因而它的密封面机械磨损较小，由于大部分截止阀的阀座和阀瓣比较容易修理或更换密封元件时无需把整个阀门从管线上拆下来，这对于阀门和管线焊接成一体的场合是很适用的。介质通过此类阀门时的流动方向发生了变化，因此截止阀的流动阻力较高于其它阀门。
产品详细介绍：
结构特点与用途Strucure features and usages:
1、全关时手轮按顺时针方向旋转；
2、可以安装在管道的任何位置上，介质从下往上流；
3、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；
4、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。
1.When fully closed,the handwheel rotates clockwise.
2.Able to be mounted on any position of the pipeline,the medium flows from down to up.
3.Stainless steel made stop valve is of good anti-corrosive property and enough strength and suitable for various pipelines with corrosive medium.
4.Alloy steel made stop valve features high-temperature resistance,suitable for high-temperature steam and oil goods pipelines.
主要尺寸及重量Main dimensions and weight
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 | 2Cr13 25 | H:不锈钢 Y:钴基硬质合金钢 H:Stainless steel Y: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 |
主要尺寸和重量Main dimensions and weight
| 公称通径DN Nominal diameter | 主要外形尺寸和连接尺寸（mm）Main external and connecting dimensions | 重量（kg）Weight | ||||||||
| L | D | D1 | D2 | b | f | z-d | H | D0 | ||
| J41(H.Y.B)-16C J41W-16P J41W-16R J41Y-16I | ||||||||||
| 10 | 130 | 90 | 60 | 40 | 14 | 2 | 4-14 | 198 | 120 | 4.7 |
| 15 | 130 | 95 | 65 | 45 | 16 | 2 | 4-14 | 218 | 120 | 5.2 |
| 20 | 150 | 105 | 75 | 55 | 16 | 2 | 4-14 | 258 | 140 | 7.1 |
| 25 | 160 | 115 | 85 | 65 | 16 | 2 | 4-14 | 275 | 160 | 7.4 |
| 32 | 180 | 135 | 100 | 78 |
共0条 [查看全部]
相关评论
 
123锅炉网-123GuoLu 专注锅炉行业 | |||||
