Skip to main content

Underground Ventilation Doors

EnVision® in association and partnership with their design team works with and assists every customer to help determine the best solution for their specific application.

EnVision® with their team is committed to serve the needs of mining operations just like yours, to provide and deliver the highest-quality products, affordably and efficiently. Innovation, safety, and customer satisfaction are our highest priorities.

Door Model Highlights:

  • Making use of the unique the “opposing wing door design” to provide safe, effective and enduring operations.
  • Multiple door models have been designed to meet a specific level of cost and performance. No “one size fits all”, we have a solution for your mine.

Door Model Highlights:

  • Originator of the “opposing wing door design”. 75+ years of design evolution, AMD is the authority in opposing wing doors.
  • Multiple door models have been designed to meet a specific level of cost and performance. No “one size fits all”, we have a solution for your mine.

Criteria used to determine door model are:

  • Size: from small to very large.
  • Air pressure: low pressure to extremely high air pressure (5kPA).
  • Number of Cycles: 1000 cycles per year to over 140,000.
  • Lifecycle: due to minimum working components and using the airflow for longevity.
  • Speed: Low speed to high speed. Most doors cycle in less than 15 seconds.
  • Cost: low cost to higher cost door packages tailored to your budget.