WINJET HIGH-TECH INVESTMENT CO., LTD. (BEIJING)
WINJET HIGH-TECH INVESTMENT CO., LTD. (BEIJING) Patent applications | ||
Patent application number | Title | Published |
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20130207011 | Driving and Adjusting Device of Passive Shuttle-Type Shut-Off Valve - A driving and adjusting device of a passive shuttle-type shut-off valve is provided. The problems of a big valve body structure size, a non-random angle installment, a single drive mode, low stability and reliability, a high temperature and poisonous material entering into the driving and adjusting device and unadjustable on-off speed and low volume in the prior device are solved. A main body ( | 08-15-2013 |