Dräger Bergbau gerät Modell BG 172

Dräger Bergbau gerät Modell BG 172

de Dräger model BG 172 The successor to model BG 170-400 The Dräger device model 172 was designed by Dräger in 1956. BG stands for Bergbau – Gerät. The breathing apparatus features a lever that activates a metering valve at a certain point during inhalation. The...
Dräger Bergbau gerät Modell BG4

Dräger Bergbau gerät Modell BG4

de Dräger model BG4 The successor to model BG174 The BG 4 closed-circuit breathing apparatus is a regeneration device with a pure oxygen supply in a pressurized design. The low positive pressure in the entire breathing circuit prevents the penetration of harmful...