XTX50 Nitrox Dive Regulator

Overview:
The Apeks XTX50 Nitrox regulator is designed for divers who require reliable performance when diving with oxygen-enriched gas mixtures. Suitable for use with up to 100% oxygen when properly cleaned, this regulator is ideal for technical diving, stage cylinders, and decompression stops.

Each Apeks Nitrox regulator is colour-coded for easy identification and is specially cleaned and assembled in a dedicated Class ‘J’ (10,000) clean room using oxygen-safe components and lubricants. The XTX50 second stage delivers advanced performance and user-adjustable features while remaining a dependable and cost-effective solution for demanding divers.

First Stage Features:

• Over-balanced diaphragm design improves breathing performance at depth.

• Environmentally sealed dry chamber prevents water, silt, and contamination from entering the mechanism.

• Excellent cold-water performance and freeze resistance.

• Swivel turret with 4 medium-pressure ports allows optimal hose routing.

• 2 high-pressure ports for flexible gauge or transmitter configuration.

• 5th port upgrade option available for technical hose configurations.

• Durable chrome-plated marine brass construction.

• Compatible with both DIN and Yoke connections.

Second Stage Features (XTX50):

• Pneumatically balanced second stage for smooth and effortless breathing.

• Adjustable opening effort control knob for personalized breathing resistance.

• Large purge buttons with progressive 2-stage purge system.

• Soft-touch Venturi lever prevents unwanted free flows and improves usability.

• Active antimicrobial protection against bacteria, fungi, and viruses.

• Silicone exhaust valve enhances breathing performance.

• Patented heat exchanger reduces freezing risk in cold water.

• Comfo-bite™ mouthpiece minimizes jaw fatigue during long dives.

• Diver-changeable exhaust system supplied with two exhaust tees.

• Braided flexi-hose for flexibility and durability.

Specifications:

First Stage:

• Connections: DIN and Yoke available

• Type: Over-balanced diaphragm, environmentally sealed

• Body: Swivel turret design

• HP Ports: 2 (7/16" UNF)

• MP Ports: 4 with optional 5th port (3/8" UNF)

• Environmental Dry Kit: Standard

• Exterior: Chrome-plated marine brass

• Orientation: Convertible left or right

• Cold Water Use: Yes

Second Stage:

• Type: Pneumatically balanced

• Opening Effort Control: Yes

• Venturi Lever: Yes

• Mouthpiece: Comfo-bite™

• Exhaust Tee: Diver changeable (2 sets included)

• Heat Exchanger: Yes

• Hose Type: Braided flexi-hose

• Work of Breathing: Avg. 0.70 J/l

• Nitrox Compatibility: Up to 40% O₂ out of the box / can be cleaned for 100% O₂

Weight:

• DIN: 1139 g

What’s in the Box:

• 1x First stage

• 1x Second stage (XTX50 Nitrox)

• Regulator hose