AlphaTec® 5000 AVANT AIRline HOOD - Model 521 Previously known as: MICROCHEM® 5000 AVANT AIRline Hood - Model 521

Air-fed hood with respiratory and chemical protection

Key Features and Benefits
  • Protection - Exceptional chemical permeation resistance against a wide range of inorganic chemicals
  • Comfort - Ultra-lightweight hood fitted with an attached adjustable air flow regulator providing 150 – 300 litres per minute at a working pressure of 3.5 – 5.5 bar
  • Panoramic visor design with 180 degree view
  • Highly visible orange colour for increased worker safety

  • In-built AlphaTecTM Flow Control Valve and Low Flow Alarm unit

  • AlphaTecTM Low Flow Alarm whistle > 90dB (A) sound pressure and conforms to EN14594: 2005  clause 6.11.

show more
Contact Us

product category

Hoods Hoods
Ventilated/Air Fed

Product Material

Multi-layer non woven barrier laminate fabric

Design Features

MICROCHEM® 5000 AVANT Air-Fed Hood c/w belt mounted AlphaTec® flow control valve and low flow warning whistle. Flow rate adjustable from 150 to 300 litres per minute at a working pressure of 3.5 to 5.5 bar. TOOO version has a ¼" female parallel thread for addition of the users preferred airline connector. TAOO version comes with pre-fitted CJEN-342 Connector. Panoramic PET Semi rigid multi-layer visor. Polyester waist belt and YKK buckle.

Seam Type

Ultrasonically Welded & Taped Seams

Standards Overview

CE CATEGORY III (Type PB [3]-B, Type PB [4]-B, EN 1073-1, EN 14126, EN 14594)

Product Reference

5000 AVANT AIRline Hood - Model 521


One Size



  • Chemical
  • Life Sciences
  • Mining
  • Fire and Rescue
  • Oil and gas
  • Contaminated Environments
  • Chemical Handling
  • Filling, blending and charging of raw materials
  • Transferring liquids and solids
  • Opening and draining pumps valves or lines
  • Loading and unloading of proces equipment
  • Raw material sample collection
  • Concentration mixing and palletisation
  • Hazmat response
  • Assembly and disassembly of large pipes
  • Unexpected leakages spills or other releases
  • COLOR Orange