进口伞齿轮大口径截止阀 美国RETZ瑞茨

　　retz工业/美国瑞茨，我们一直致力于流体控制领域的持续创新，始于2005……

进口伞齿轮大口径截止阀能描述 performancedeion

　　大口径截止阀的阀座将阀体的阀腔分隔为进液腔和出液腔，大阀瓣位于进液腔内，与阀座构成大密封副，大阀瓣设有芯部空腔，芯部空腔内设有可上下移动的小阀瓣，大阀瓣的上方实体设有供阀杆从中穿设但不会使小阀瓣脱出该芯部空腔的通孔，大阀瓣的侧壁设有连通进液腔的进液孔，大阀瓣的底壁设有连通所述出液腔的出液孔，大阀瓣的底壁顶面设有小阀座密封面，与小阀瓣的底面上的密封面共同构成小密封副，阀杆延伸到芯部空腔内连接小阀瓣,能够在高温、高压或大口径状态下保持可靠的密封，而且开关阀门轻松省力。

　　the valve seat of the large caliber cut-off valveis divided into the inlet and outlet cavity of the valve body. the large valveis located in the inlet cavity and the outlet cavity. the large valve islocated in the inlet cavity, and the valve seat consists of a large seal pair.the large valve has a core cavity, and a small valve can be moved up and downin the core cavity. the body above the large valve has a valve rod worn frommiddle but not in the valve. the small valve flap is removed from the cavity ofthe core, and the side wall of the large valve is provided with a fluid intakehole connected to the liquid cavity. the bottom wall of the large valve has a liquidhole connected to the liquid cavity. the top surface of the large valve has asmall seat cover, which is formed into a small seal with the seal surface onthe bottom of the petal valve, and the stem extends to the core empty. smallvalves are connected inside the cavity to maintain reliable sealing at hightemperature, high pressure or large caliber, and switch valves are effortlessand effortless.

进口伞齿轮大口径截止阀特点--

　　1.伞齿轮轻松省力，关闭时具有大推力，适用于200口径及以上的阀门

　　2.波纹管密封的关键部件，下端与阀杆组件采用自动滚焊焊接，上端与连接板自动滚焊焊接，在流体介质和阀杆之间形成一个保护屏障，确保阀杆零泄漏。

　　3.合理的填料函设计，采用编结石墨、柔性石墨填料加两端填料垫的组合，确保阀门无外泄漏，符合环保要求

　　4.手动开关部件采用推力轴承的结构，使阀门开启迅速，关闭轻松方便

　　5.针对工况要求，阀门中道采用金属密封环，实现应用后不需要更换密封环，安装一次调试成功

　　进口法兰截止阀用途--

　　大口径截止阀构造先进,采用了活络连接结构，极大提高阀杆的钢度，显著降低了噪音和振动，提高了阀门的使用寿命与各项性能,广泛应用于给排水、冶金、蒸汽、电力、石油化工等行业，是现代工业中理想的通用管道控制部件。

　　参数--

　　适用温度：-29℃~425℃

　　公称压力：pn1.0-pn4.0mpa

　　口径：dn15-dn600

　　材质：碳钢、不锈钢304/316