结构特点
1.结构紧凑、设计合理,阀门刚性好,通道流畅,流阻系数小。
2.密封面采用不锈钢和硬质合金,使用寿命长。
3.采用柔性石墨填料、密封可靠,操作轻便灵活。
4.驱动方式分:手动、伞齿轮、蜗轮、电动、气动
结构型式:弹性楔式单闸板、刚性楔式单闸板和双闸板形式。
5.广泛适用于石油化工,火力发电厂等油品、水蒸汽管路上作接通或截断管路中介质的启闭装置。
标准与规范
壳体材料: 1.碳素钢(C型) 2.铬镍钢(P型) 3.铬镍钼钢(R型) 4.铬钼钒钢(I型)
适用介质: 1.水、蒸汽、油品 2.硝酸类 3.醋酸类 4.水、蒸汽、油品
适用温度: 1.≤425 2.≤200 3.≤200 4.≤550
公称压力: 1.6~16
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