1st stage DB4

Brand: Apeks

Combining the time-proven DS4 with MTX technology.

Full description

Reference DB4
Out of stock, delivery within 4 days

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1st stage DB4

Combining the time-proven DS4 with MTX technology. The result is a compact, extremely durable 1st stage DB4. The robust dry-chamber seal with reinforced diaphragm helps prevent ice build up while protecting the controller from knocks. A heat exchanger around the membrane increases the temperature of the respiratory mixture inside the 1st stage. The classic shape is suitable for most configurations - single, twin, stage.


  • membrane balanced
  • closed with a dry chamber - reinforced membrane integrated in the shockproof housing
  • Massive heat exchanger around the dry chamber and main membrane
  • 4 x MP output 3/8 "UNF
  • 1 x HP 7/16 "UNF output
  • location of MP outputs: radial
  • material: brass
  • Finish: satin chrome
  • Weight: 630 g
  • DIN 300 bar, all metal fittings
  • EN250A

Data sheet

Cold water yes
1.stage type membrane
Balanced yes
Number of HP ports 1
Number of HP ports 4
Travel performance no
1. stage connection DIN
working pressure 300 bar
LP port in axis no
Regulation of exhaust resistance no

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