Benefits of Damped Pneumatic Butterfly Valves
The damper spring pneumatic butterfly valve has a strong ability of working compliance, and can also work normally at minus 40 degrees or minus 110 degrees, which is a working state that ordinary pneumatic butterfly valves cannot reach. It has a very significant effect in active shock absorption, passive vibration isolation or shock vibration, and can also effectively block the sound transmission of solids. It has achieved very obvious results in reducing noise, isolating vibration, renovating vibration pollution and maintaining the environment.
The damping data on the surface of the metal structure can effectively restrain the vibration of the structure on the natural frequency, and can greatly reduce the structural noise. For example, coating damping materials on the inner walls of passenger cabins of trains, cars and aircraft can effectively reduce noise and improve the environment. The wheels of metro trams use five constrained damping layers, and the noise drops from 114dB (A) to 89dB (A). The damping data quality accounts for 4.2% of the wheel mass. The noise of the saw blade drops from 95dB (A) to 81dB (A) after the constrained damping layer is applied.

Three characteristics of non-metallic corrugated contraction joint
Our company specially introduces non-metallic corrugated contraction joints to a wide range of users. Literally, the main material of the tube body forming the contraction joint is fiber fabric or other special non-metallic materials.
Product characteristics:
(1) Compensated thermal shrinkage: non-metallic contraction joints can provide larger multi-dimensional direction compensation in a smaller size range.
(2) Compensating device error: because system error is unavoidable in pipeline connection, non-metallic contraction joint can better eliminate device error.
(3) Noise elimination and vibration isolation: fiber fabrics and thermal insulation cotton can absorb sound and isolate vibration transmission, which can effectively reduce boiler