Apeks ATX40/DS4 Yoke + ATX Octopus Set

Apeks ATX40/DS4 Yoke + ATX Octopus Set

Availability: In stock


Quick description:

Apeks ATX 40/DS4 Yoke:

Before there was XTX there was ATX. The ATX40 has not disappeared, it is still available. It has a fully balanced first and second stage. The ATX40 offers a smooth quiet breath that will surely improve the quality of your dive. It is safe for cold water diving (temperatures below 10°C/50°F).

The ATX40 regulator qualifies for parts for life. 


ATX40 Octopus:

Design based on the XTX40 second stage. Can be configured for right-hand or left-hand use. Safe for cold water diving (below 10°C/50°F). Features an adjustable venturi lever control to control the rate of air flow. It has a high visibility yellow front cover, accent pieces and 36” hose.

The ATX40 Octopus qualifies for parts for life.





Apeks ATX 40/DS4 Yoke:

1st stage:Uses DS4 first stage

Overbalanced diaphragm allows medium air pressure in the hose to increase at a faster rate than ambient pressure, which means easier breathing at greater depths

1 HP port and 4 MP ports

Environmental dry system keeps out contamination and resists freezing

Compatible with EAN40 when new


2nd stage

Pneumatically-balanced second stage makes breathing  smoother and easier

Large purge button makes purging easy even with thick gloves

Integrated venturi lever makes it possible to have better performance at depth while avoiding wasteful free-flow at the surface

Extremely efficient exhaust valve

Comfo-bite mouthpiece eradicates jaw fatigue

The Heat Exchanger, which surrounds the valve mechanism, dissipates cold caused by gas expansion while taking in the warmth of ambient water

Compact, integrated exhaust tee


ATX40 Octopus:

Large easy to operate purge button

2-stage progressive purge button allows diver to control purge flow rate

Able to have right and left hand configurations

Lightweight, flexible and durable braided flexi-hoses now standard

Compatible with EAN40 when new

Pneumatically-balanced second stage

Easy to use venturi lever

Manufactured with active protection against infection

Silicone exhaust valve improves performance

Comfo-bite mouthpiece

Suitable for cold water use (below 10°C /50°F)

Condition New
Brand Apeks
SKU AP0589C/89
Color No
Reg Type Yoke
Normal Inventory Status Normally in stock
Barcode 0000000032889

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