Since our VP Series Roots Vacuum Pump, echo leaf blower air filter, roots urai blower curve is known for its performance and value, we guarantee to provide high-performance and high-conversion products to bring customers an excellent return on investment. Since the establishment of our company, we have always followed the world's advanced production level and continued to innovate. With the support and care of new and old customers, our products are exported to domestic and foreign markets. To significantly increase our service quality, our corporation imports a large number of overseas advanced devices. We adopt modern management methods to meet market demand with high quality, efficiency and speed.
Reactive Silencer--High Efficiency
Introduction
Rongheng designs and manufactures silencers for low frequency noise (predominant tones of low frequency). It consists of metallic elements of passive performance, designed to get acoustic attenuation by reflections of sound waves. The working principle is the resonance and reflection of waves which are produced in the discontinuities inside the silencer. The silencers are manufactured in steel, for corrosive media the overflow part can be used stainless steel .with different expansion chambers and resonators designed according to the requirements of acoustic attenuation (attenuation up to 20 dBA).
Customized Design
Range of attenuation: between 15 and 30 dBA.
Material selection: carbon steel, stainless steel and alloy steel.
Protective coating and surface treatment.
Drainage to evacuate condensates.
Non-destructive test: penetrant dyes and X-Rays.
Horizontal installation.
Accessories: flanges, counter flanges, expansion joints, nameplates,, insulation clips, top rain coat, side supports, bolts, etc....
Engineering: mechanical calculations (support reactions, vibration modes, stress and maximum strain, fatigue, etc....) and fluid dynamics (calculation of the distribution of pressure, velocities, self-noise and temperature).
Advantages
Tuned Dissipative Silencers, known as Reactive Silencers are used for applications where air flow contains particulates (such as dust, cement, oil, ash, soot, etc.) that would quickly clog and degrade performance of absorptive silencer baffles.
Payment Terms and Delivery
Payment: All the payment terms can be negotiated, generally by T/T or L/C.
Delivery: 35-40 days after receipt of your payment, then we arrange shipment.
Certificates


Sticking for the perception of 'Creating goods of high quality and making good friends with people today from all around the world', we constantly set the interest of shoppers to begin with for Cat-Back Exhaust System for Porsche 997 Non-Turbo 3.6L. We hope that by promoting the continuous optimization of the governance structure, we will gradually make the internal system of the company more sound and scientific. We're ready to build stable and friendly relations with our merchants.
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