双滚轮导杆球阀

Double-roller guiding ball valve

阐述了双滚轮导杆球阀结构特点、加工及装配方法。通过对导向装置的改进使其结构更合理,开关力矩减小。

This article introduces the structural characteristic, machining and assembling of doubleroller guiding ball valve. Through improving upon its guiding devices to make its structure more reasonable and to reduce the operating torque.