M-DB Weighing booth

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Negative Pressure Weighing Booth (Dispensing) | GMP Grade A | SUS304 | Pharma Powder

Triple Protection Technology: Our unique airflow design discharges 10-15% of air to create a stable negative pressure zone. This acts as an invisible barrier, ensuring pharmaceutical powders stay inside the booth (protecting the operator) while keeping contaminants outside (protecting the product).

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MayAir Technology (China) Co., Ltd. is a subsidiary of MayAir Group, and its registered brand is "MayAir". MayAir is committed to promoting the development of the air purification industry and improving the global air quality.

Since its establishment in 2001, MayAir, which is based in China, has used industrial-grade ultra-clean technology in commercial and public spaces.

From air intake to exhaust, from filter unit package to complete equipment to system integration, we continue to innovate to meet the growing demand for clean air products. The main business of MayAir is in air purification products. It also focuses on research and development, production, and sales of atmospheric environment treatment products.

The products are mainly used in cleanroom air purification. Due to the demand for air purification in the public medical and healthcare industry after the outbreak of the COVID-19 epidemic, MayAir vigorously promotes research and development, production, and sales of medical air purification equipment. MayAir gradually develops and accumulates technologies in atmospheric environment treatment and actively develops the market for industrial dust removal, oil mist removal, and VOCs treatment.

MayAir focuses on semiconductors, biopharmaceuticals, public health care, industrial dust removal, VOCs treatment markets,etc. Its products comprising fan filter units, high-efficiency, low-medium efficiency, chemical, electrostatic, and air purifiers are used for dust removal, oil mist removal, and VOCs treatment.

Its products can be used for cleanroom air purification, indoor air quality optimisation, and atmospheric pollution emission control.

The subdivision of downstream applications is mainly for the semiconductors, biopharmaceutical and food industry. It is also used in medical institutions, large commercial buildings, public places, home environments, industrial dust removal, VOCs treatment, etc.

MayAir has set up seven domestic production bases and two overseas production base. They are the Nanjing production base(three), Zhongshan production base, Chengdu production base, Tianjin production base and Wuxi production base. Meanwhile, its oversea production base is located in Malaysia and Canada. The total production plant area exceeds 50,000 square meters. The company is now one of the largest suppliers of the air purification industry in the country. 

  • Air filter
  • Air purification equipment
  • Industrial dust-removal equipment
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PRODUCT OVERVIEW

 

The M-DB Weighing Booth is a specialized local purification unit designed for use in pharmaceutical production facilities, microbiological laboratories, and scientific research environments. It delivers vertical unidirectional airflow, with a portion of the clean air recirculated and the remainder exhausted, creating a negative pressure zone in the workspace. This setup effectively prevents cross-contamination and ensures a highly controlled clean environment within the weighing area.
 

PRODUCT FEATURES

 

  • Ensures operator safety
  • Prevents dust and particle leakage
  • Eliminates cross-contamination risks
  • Protects product integrity
  • Maintains room pressure balance

 

STRUCTURAL DESCRIPTION

 

Constructed entirely from SUS304 stainless steel, the unit comprises an upper cabinet, lower cabinet, and detachable side panels for ease of transport and modular assembly. The system utilizes a vertical unidirectional airflow design, where approximately 85%-90% of the air passes through an airflow equalization membrane to form a consistent vertical laminar flow. The remaining 10%-15% is discharged through an exhaust outlet to maintain negative pressure within the working area.
 

APPLICATIONS

 

  • Used in pharmaceutical manufacturing, microbiological institutes, and scientific research.

 

Product Specifications

 

Item Details
Cleanliness Class Grade A
Filter Efficiency Primary Filter G4, Secondary Filter F8, HEPA Filter H14 99.995%@MPPS
Average Air Velocity (m/s) 0.45±20%
Noise Level (dB(A)) ≤ 70
Overall Material SUS 304
Work Surface Illuminance (LUX) ≥ 350

 

Notes: DQ, FAT, IQ, OQ, SAT and other related qualification services can be provided upon customer request.

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