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1. With the shift of petroleum development to oil fields in the interior and offshore oil fields, and the development of thermal power and hydropower and nuclear power from 300,000 kilowatts or less of thermal power in the power industry, valve products should also be changed according to changes in equipment applications. Performance and parameters;
2. The urban construction system generally uses a large number of low-pressure valves, and develops to environmentally-friendly and energy-saving types, that is, the low-pressure iron gate valves used in the past have gradually shifted to environmentally-friendly rubber sheet valves, balance valves, metal-sealed butterfly valves, and midline-seal butterfly valves. The development of oil and gas transmission projects in the direction of pipelines requires a large number of flat gate valves and ball valves.
3. The other side of energy development is energy conservation. Therefore, from the perspective of energy conservation, steam traps must be developed and developed to high subcritical and supercritical parameters.
4. The development of the power station is going to large-scale development. Therefore, it is necessary to use large-diameter and high-pressure safety valves and pressure reducing valves, as well as fast opening and closing of valves.
5. For the needs of a complete set of projects, the supply of valves has evolved from a single variety to multiple varieties and multiple specifications. The need for a valve for an engineering project is increasingly provided by a valve manufacturer.
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