Apeks XL4+ Regulator - DIN
New from Apeks, the XL4+ regulator is designed with the cold-water exploration diver in mind.
The Apeks XL4+ is a compact lightweight regulator suitable for diving in all environments including cold water locations. Its design and low weight help reduce jaw fatigue on long dives. The XL4+ also makes an ideal stage regulator, perfect for the technical exploration diver with a large amount of equipment. The XL4+ regulator is a high-performance option for those technical divers serious about weight savings.
Features
1st Stage
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Compact machined first stage based on the expedition tested Apeks DS4 platform.
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Break through, innovative over-moulded first-stage endcap and environmental diaphragm helps prevent ice build-up that can cause first stage free flow in extreme circumstances. Also protects the first stage from impact damage.
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Large surface area heat exchanger diaphragm clamp helps increase the gas temperature inside the first stage, resulting in improved cold water performance.
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Unique over-balanced diaphragm design – as the diver descends, the over-balancing feature allows the medium pressure gas in the hose to increase at a faster rate than ambient. This results in superior performance at depth.
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With 2 HP ports and 4MP ports.
2nd Stage
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Compact and lightweight second stage improves comfort and helps reduce jaw fatigue on long duration dives.
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High performance pneumatically balanced lever operated poppet valve.
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Large, over moulded self-flushing and controllable purge button.
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Ergonomic Venturi lever is easy to use and locate.
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Flexible nylon braided hose has better cold water performance than a traditional rubber hose.
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Standard metallic hose connection for interchangeability.
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Comfo-bite mouthpiece has a unique bridge that fits across the upper palate and does not require bite pressure to stay in place.
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Re-useable mouthpiece clip makes it simple to change mouthpieces in the field.
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Durable and flexible rubber exhaust tee provides excellent bubble diversion.
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UV inhibitors to help prevent discolouration of the white materials
Specifications
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Type of first stage - Over-balanced diaphragm design, environmentally sealed
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Body Type - One piece forged body
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Number of HP ports - 2 (7/16" UNF)
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Number of MP ports - 4 (3/8" UNF)
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Weight DIN – 905g (2 lb)
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Environmental Dry Kit - Standard
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First stage exterior - Satin
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Coldwater Use - Yes
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Type of second stage - Pneumatically balanced
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Opening Effort Control Knob - No
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Integrated Venturi Lever - Yes
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Mouthpiece - Comfo-bite™
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Exhaust tee - Standard, one set
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Heat Exchanger for freezing resistance - Yes
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Hose type - Braided Flexi-hose
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Overall work of breathing (WOB) scores - Avg. 0.90 joules/liter
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Nitrox compatible - Yes to 40% O2 when new, out of the box / Can be O2 cleaned to 100%.