Double eccentric hemispherical valve Guo Fengzhong Abstract The performance, structure characteristics and application range of double eccentric hemispherical valve are introduced. Keywords double eccentricity; hemispherical valve; ball valve; floating; meshing; sealing pair; hemisphere 1 Overview
Read moreFoton Motors released July sales and sales report, Foton Cummins sales of engines increased by 81.4%. Foton Motor released the July sales and sales bulletin and disclosed the data of domestic sales and export of Foton Cummins for the first time. In July, Futian Cummins sold 13,000 engines ,
Read moreA few days ago, Weichai Power's Yangzhou Diesel Engine Co., Ltd.'s China IV product orders surged. In order to ensure market demand, the production department strengthened employee skills training, rationally allocated resources, and made every effort to complete the delivery of Stat
Read moreThe LED factory's second quarter revenue and profitability, the packaging factory Ronda and Dongbei have successively handed over the bright earnings. At present, LED enters the traditional peak season, and the packaging factory has already expanded its production capacity earlier. The legal per
Read moreThe cleaning of windows is not only a matter of appearance, but it is also necessary in terms of safety. Especially on rainy nights, the film's glare will affect the field of vision and must be cleared immediately. If it is a slight stain, it can be wiped clean with a towel without the use of
Read moreRecently, there is a saying that everyone seems to have some opinions on the jade carving master group. The basic reason is that the current jade carving masters are mainly folk artists. It is generally believed that there is no academic theory of the arts, causing them to have congenital
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Read moreRecently, in an interview with the media, Mitsubishi Motors President Yoshitaka Shimbun revealed that Mitsubishi will no longer develop its imported vehicle business in China and will focus on Guangzhou Mitsubishi in the future. The reason why the business of importing cars was stopped wa
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Read moreTurpan, which is known as a natural greenhouse, enjoys abundant sunshine in the spring, autumn and winter, and the temperature is much higher than other regions, states, and cities in Xinjiang. It is extremely beneficial to the development of early spring vegetable production and postpone
Read moreThe oil in the compressor is returned to the oil sump through the circuit. The lubricating oil discharged into the system with the gas is sucked, filtered, and returned to the oil pool. The body is designed with ribs to dissipate the heat generated by the compressor and the friction pair. The pos
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