Resistive muffler 1. Resistive muffler muffler by means of resistive device on the duct wall, or sound-absorbing effect a certain way in the pipe aligned Shanghai muffler sound absorbing structure that propagate along the pipe muffler noise, sound-absorbing materials due to micropores viscous action of the air, part of the sound energy into thermal energy and consumed muffler price, to achieve the purpose of silencing. Fall into this category have pipe muffler muffler, muffler piece, folded plate muffler, acoustic-flow muffler, muffler elbow. The role of a muffler, can be part of the dynamic pressure into static pressure so that the wind farther; 2, 3 can reduce the noise, air flow evenly distributed 4, the plenum can be used to reduce the noise, but also get a uniform static pressure of the wind reduce the dynamic pressure loss. But also the role of the universal joint. The plenum well applied to the ventilation system, you can improve the overall performance of the ventilation system. Muffler (Figure) | Shandong muffler | muffler provided by Wu Cheng Ding Rui Air Conditioning Equipment Co.. Wu Cheng Ding Rui Air Conditioning Equipment Co., Ltd. (www.wcdrkt.com) (www.wcdrkt.com) adhere to the "people-oriented" business philosophy, has a professional staff, and strive to provide the best products and services to contribute to the community, and Welcome to the new and old customers to visit and sincere cooperation for a better future. Ding Rui air conditioning - your trusted friend, Company Address: city in Shandong Lu right Tuen Industrial Park (Hong Hai Lunan First Road East), Contact: Qiu East only.