Ball Bearing

Our primary intention should be to offer our clientele a serious and responsible enterprise relationship, delivering personalized attention to all of them for air operated vacuum pump, ed vacuum pump, roots blower system. Our company's assessment is in-depth, we implement incentive measures, our project team cohesion is strong, team members are full of sense of achievement and role allocation is appropriate. Our company promises to provide customers with high-quality all-round services based on the principles of quality first, safety and reliability. Our company takes 'quality first, integrity management' as our tenet and strives to pursue the sustainable development of the enterprise through continuous improvement and sustainable innovation. We take 'honesty and trustworthiness, seeking truth and being pragmatic' as the market orientation, listening to customer needs, and creating value for customers.

Absorptive Silencer--Noise Abatement

Introduction

Absorptive silencers provide a practical, engineered solution for controlling duct noise in systems with round duct work. The round shape eliminates the need for costly transitions and the associated turbulence and system pressure drop. With high quality, leak-free construction and many optional features, the absorptive silencer is suitable for most applications. 

The absorptive type silencer is the classic dissipative design, deriving its noise control properties from the basic fact that noise energy is effectively "absorbed" by various types of fibrous packing materials.

More technically, as sound waves pass through the spaces between the tightly-packed small diameter fibers of the absorptive material, the resulting viscous friction dissipates the sound energy as small amounts of heat.

This is the most common type of silencer, capable of providing attenuation over a broad range of sound frequencies.

Absorptive silencers use sound-absorptive media to provide effective attenuation on high-noise frequencies (500-8,000 Hz). Absorptive silencers are ideal for industrial fan inlet and discharge, inlet and discharge of high-speed, low pressure centrifugal compressors and blowers, gas turbine inlets, dry vacuum pump discharge, low-pressure vents, turbocharged reciprocating engine inlets, high-pressure centrifugal compressor inlets, high-frequency noise sources, air valves and cylinders and axial compressors.

Construction Absorptive Silencers

Since noise is absorbed by the media, absorptive silencers do not rely on internal baffles, tubes or other restrictive devices to achieve noise reduction. Consequently, absorptive silencers generally employ a "straight-through" or similar internal designs that cause minimal air-flow restriction.

Common Applications

●Rotary positive/centrifugal blowers

●Vacuum pump discharge

●Air valves and cylinders

●Small low-pressure vents

●High frequency noise sources

●High-speed centrifugal compressor inlet

Note

Please note this is not a stocked item. Contact us for current lead times.

Payment Terms and Delivery

Payment: All the payment can negotiate, generally by T/T or L/C.

Delivery: 35-40 days after receipt of your payment, then we arrange shipment.

Certificates

The Ball Bearing from our company has won orders from large domestic and foreign group companies due to the advanced technology and excellent quality. We adhere to the business philosophy of reliable quality and customer first, and sincerely look forward to cooperating with you. We are committed to the modern development of the enterprise, and the return of society for the business philosophy.

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