Corrugated pipe security using range and characteristics of pneumatic valve

pneumatic valve bellows security and common security working principle of pneumatic valve is basically the same, it is between the pneumatic seat and aerodynamic body increases the bellows. Back pressure instability for exist or poisonous, corrosive medium equipment or piping, as the overpressure protection device. Bellows can eliminate back pressure fluctuations affect the performance of safety pneumatic valve, also can protect the springs and other internal parts from medium corrosion, and can effectively prevent the leakage of medium.
corrugated pipe pneumatic valve is suitable for the safety of working temperature ℃ or less medium such as air, steam, liquefied petroleum gas (LPG) of equipment and piping, as the overpressure protection device. When the pressure in the equipment and pipeline exceeds allowable values, pneumatic valve automatically opens, then the amount of emissions; When pressure is reduced to the specified value, the pneumatic valve automatically shut down, guarantee the safe operation of the equipment. Is widely used in electric power, metallurgy, petroleum, chemical industry, such as corrugated pipe pneumatic safety valve used in reciprocating compressor, not apply for compressor before and after the process fluid pressure fluctuation is too big, and corrugated pipe is more sensitive to this kind of fatigue stress, so the security service life of pneumatic valve will be greatly reduced.
bellows safety pneumatic valve has the following features:
( ） Pneumatic seat and aerodynamic body to be separate, convenient maintenance, economy.
（ ） Umbrella disc holder can effectively increase the lift, pneumatic disc can quickly open in smaller pressure, discharge medium, so as to achieve the purpose of the protection equipment.
（ ） Adjust the circle is able to adjust the pressure difference for opening and closing of satisfaction.
（ ） The disc holder and guide sleeve, pneumatic valve stem and adjusting screw materials reasonable selection and selecting the appropriate clearance, ensure flexible pneumatic disc movement.
（ ） Pneumatic valve, pneumatic valve seat sealing surface butt weld hard alloy and the surface after lapping guarantee high tightness and service life.
（ ） Corrugated pipe security of pneumatic valve bellows can eliminate back pressure fluctuations affect the performance of pneumatic valves, also can protect the springs and the rest of the internal parts from corrosion of the medium.
（ ） Spring and corrugated pipe material selection and processing and according to the strict test and inspection.