Shanghai Dongfeng Pneumatic Butterfly Valve Manufacturing Co., Ltd., located in Shanghai Baoshan Industrial Park, is a modern professional vibration and noise reduction enterprise integrating design, development, manufacturing, sales, installation and maintenance.
Since its establishment, after years of development and independent innovation, the company has grown rapidly in the fierce market competition. Over the years, the company has been relying on the design institute, relying on the advantages of scientific research and production consortium, and constantly adopting new technologies and processes. Shanghai Dongfeng Pneumatic Butterfly Valve is a professional manufacturer of shock absorbers in China. It is mainly engaged in the development and production of ball valve pneumatic butterfly valve, damping damper, air conditioning pneumatic butterfly valve, pneumatic butterfly valve, suspended ball valve damper, pipeline pneumatic butterfly valve, fan pneumatic butterfly valve and other series of products, which are widely used in steel, power generation, petrochemical All kinds of pipes and equipment in cement, steel, urban heating and other industries have been applied in national key projects, with achievements all over the country, and are trusted by users.
The ball valve shall meet the following conditions: the radius of the ball valve shock absorber ball valve shall be more than four times the zero point of its height under the rated load; Ball valve damper The ball valve shall have a certain additional stroke, at least equal to 50% of the rated static deflection; The number of ball valve coils of ball valve damper shall not be too small, generally not less than six; The ball valve manufactured in this way can ensure that the horizontal rigidity of the shock absorber is enough so that the equipment is stable and not prone to toppling, the elasticity is durable, and the lasting shock absorption capacity is guaranteed. However, the price of the ball valve shock absorber is often higher.
According to the weight of the water pump, the reasonable model selection is made. Generally, the compression of the ball valve of the ball valve damper after the weight of the pressure bearing water pump should be more than 20 mm, not more than the rated compression of the pneumatic butterfly valve, so as to ensure the best vibration isolation effect of the damper. What needs to be mentioned is that a ball valve damper is popular in the market at present. It completely hides the ball valve inside the shell, so the state of the ball valve cannot be seen directly outside, which is a bit incorrect!
Because, after a period of time, if the ball valve is seriously rusted, the manager can not detect and replace it in time, which may lead to the terrible consequences of the ball valve breaking, the water pump sinking, and the pipeline breaking. Although the price of the ball valve damper is slightly lower, it should not be used as far as possible.