Although the XTX40 is a mid-range Apeks regulator, it is still classed as a high performance regulator in independent reviews. The XTX40 comes with all the features of our highly successful XTX50 with the exception of diver adjustable breathing resistance control.
Type of first stage Over-balanced diaphragm design, environmentally sealed
Body Type MP ports mounted on swivel turret
Number of HP ports 2 (7/16" UNF)
Number of MP ports 4 with 5th port option (3/8" UNF)
Environmental Dry Kit Standard
First stage exterior Chrome over marine brass
Orientation Convertible LH or RH
Coldwater Use Yes
Type of second stage Pneumatically balanced
Integrated Venturi Lever Yes
Exhaust tee Diver Changeable - supplied with small exhaust tee only.
Heat Exchanger for freezing resistance Yes
Hose type Braided Flexi-hose
Overall work of breathing (WOB) scores Avg. 0.85 joules/liter
Nitrox compatible Yes to 40% O2 when new, out of the box / Can be O2 cleaned to 100%.
Weight Yoke 1230g / DIN 1100g