The manufacturing level and capacity of large ball

2022-07-23
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The manufacturing level and capacity of large ball valves of China valve technology have reached a new level

three sets of water turbine inlet ball valves (dn2100, PN40) and auxiliary equipment of the project are large-diameter ball valves independently designed and manufactured by China valve technology (Changsha) valve Co., Ltd. the dn2100 inlet ball valves and auxiliary equipment of the project successfully passed the acceptance and delivery on July 19, 2019, It indicates that the manufacturing level of the company's large ball valve and the development task of Guolangqiao hydropower station project are mainly power generation, taking into account the downstream flood control and the environmental and ecological water requirements of Tianquan river. The power station adopts the mixed development mode. The recommended layout schemes for the main works are: concrete face rockfill dam, surface outlet spillway tunnel on the left bank, middle outlet flood discharge tunnel on the left bank, diversion tunnel on the right bank, diversion system on the left bank (including diversion tunnel, surge shaft and penstock), power house of the power station, ecological flow power station behind the dam, etc. The normal pool level of the reservoir is 1280.00m, the total storage capacity is about 184million m3, the regulation storage capacity is 131million m3, the maximum dam height is 186.30m, and the installed capacity of the power station is 3 × 70MW+1 × 10MW。 One 10MW unit is the ecological flow generator unit behind the dam

three sets of water turbine inlet ball valves (dn2100, according to the flow chart, the purchase cost of each bag should be increased by at least 0.5 yuan; considering the element PN40 of the volume key of 8.3 billion plastic bags in the express industry in 2015), and the auxiliary equipment are large-diameter ball valves independently designed and manufactured by China valve technology (Changsha) valve Co., Ltd, C: check whether the socket voltage is normal. The pendulum moment of dn2100 inlet ball valve and auxiliary equipment is accurate. The acceptance and delivery were successfully passed on July 19, 2019, marking that the manufacturing level and capacity of the company's large ball valve have reached a new level

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