DIVEX Logo Ultraflow 501 Band Mask & Helmet

Ultraflow 501 Band Mask & Helmet


The Ultraflow Bandmask & Helmet incorporates the Divex designed Ultraflow 501 Balanced Demand Regulator onto a Kirby Morgan base unit.

This high performing balanced regulator ensures gas flow meets demand within the HSE / NPD Guidelines for breathing performance down to depths of 450msw.

A retrofittable kit is also available allowing upgrade of client owned helmets to Ultraflow 501 standard.

Available as KMB 18B, 17B & 17C variants.

  • CE Certified
  • Low work of breathing performance, compliant with NPD / HSE
  • Suitable to 1450fsw (450msw) – Heliox
  • Navy approved
  • Ideal Bellman’s mask

Next Steps

Choose an option below to find out more about Ultraflow 501 Band Mask & Helmet

  • Make Enquiry
    Detailed enquiry?
    Click here to submit your query and
    we'll respond within 48 hours.

  • Live Chat
    Have a quick question?
    Click here to start a live chat with
    one of the team.

  • Call us
    Prefer to speak direct?
    Click here for the contact details
    of your nearest office.


In 2015 James Fisher Defence and Divex merged to form JFD.

Today, JFD serves customers in 81 countries across six continents.

Discover More