双向硬碰硬旋球阀系列 XQDF324H/Y

主要零件和材质 Main parts and materials

产品结构特点 Construction features

本产品主体为球阀与蝶阀的结合，主要结构类似蝶阀，而阀芯为部分球体即阀芯取球体实际有效的一部分即密封面附近的一部分，阀座为串动环体，阀芯转动中心与球体中心不同心。剖面图上可见球体的弧面与环锥面接触的点与球中心形成的垂足都不与环锥面剖线垂直，换言之，阀座密封面不是球体的切线形成的连续面。有反向作用压力或反向作用压力大于正向作用压力时形成反压差，阀座串动自动补偿密封间隙，使之达到双向密封。作用压力越大，双向密封的效果越好。
This product is subject to the combination of ball valve and butterfly valve, the main structure similar to butterfly valve, the valve core for part of the sphere
which take ball valve core part of the real effective near the sealing surface, as part of the seat for the ring body, valve core center of rotation is different from a sphere center. Profile is visible on the sphere surface contact with ring cone with the pedal is not formed by the center points and the ball ring cone vertical profile, in other words, the valve seat sealing surface is not a sphere A continuous surface of a line. With reverse pressure or reverse the role against the differential pressure is greater than the positive effect when, seating series of dynamic self-compensation seal clearance, to two-way sealing. The more pressure, the better the effect of the bidirectional seal.

产品特征 Spericfications

适用介质：水、气、油品、天然气和酸碱腐蚀性介质
适用温度：-196~150℃
驱动方式：手动、气动、电动、液动等
公称压力：1.0~4.0MPa
公称通径：DN100~2000mm
Applicable media: water, gas, oil, gas and acid and alkali corrosive medium
Applicable temperature: -196~150℃
Driver: manual, pneumatic, electric, hydraulic, etc
Nominal pressure: 1.0~4.0MPa
Nominal size: DN100~2000mm

技术规范 Technical specification

试验压力 Test prssure

球阀结构长度和外接尺寸 Main connection dimensions