The FBD series low-noise front and rear double silencer structure is based on the conventional FBD series mine explosion-proof press-in counter-rotating axial flow partial fan, and imported silencers are added to realize the import and export double silencer structure.The fan is composed of a current collector, an imported silencer, a primary host, a secondary host, an export silencer diffuser, and an explosion-proof motor; the fan has the characteristics of large flow, high wind pressure, high efficiency and low noise.It has excellent design and advanced technology, has the characteristics of energy saving, low noise, serialization, simple structure, convenient practical maintenance, etc., and has strong applicability.

Schematic diagram of double silencing external structure

1. Current collector 2. Inlet silencer 3. Primary host 4. Secondary host 5. Outlet silencer

Note: Due to different motors matched within the same model number, the length of the casing may have a tolerance of ±90mm; the length shall be subject to the factory dimensions, and no further notice will be given.

The company's main business is the design, research and development, and manufacturing of various ventilators and their supporting products for mines, non-coal mines, and rail transit. Products involve 38 series of fan products, more than 3,000 specifications, including FB(D) series, FBC(D)Z series, FKZ series, rail transit SDS series, tunnel SDF series, etc.; supporting products include shaft, inclined shaft self-resetting explosion-proof doors, louver-type automatic regulating air doors, side-opening (vertical) automatic regulating air doors, butterfly valves, silencers, main ventilator online detection and fault diagnosis systems, non-stop fan reverse systems and intelligent oil injection systems, which can fully meet the ventilation needs of mines and are sold to various domestic fields and international markets such as Russia and Canada.

In recent years, the company has successively won the honorary titles of "Yuncheng Enterprise Technology Center", "Yuncheng Excellent Enterprise", "Yuncheng Intellectual Property Demonstration Enterprise", and "Innovative Small and Medium-sized Enterprise". The company has passed the "ISO9001 Quality Management System Certification", "ISO14001 Environmental Management System Certification", "ISO45001 Occupational Health and Safety Management System Certification", and its products have passed the "China National Compulsory Product Certification". It has also obtained a number of patents. With advanced process equipment, strong technical strength, excellent product quality, and a perfect service system, it has won unanimous recognition and praise from users. In particular, the green, environmentally friendly, and low-noise fans that have been focused on the market in recent years have achieved rapid development, becoming a well-known enterprise in the fan industry with leading technology.