Apeks Nitrox MTX-R Regulator
Go Beyond Extreme.
The Apex Nitrox MTX-R delivers a leap in regulator technology that pushes the limits of where we can explore in sea.
Following in the footsteps of the Military grade MTX regulator the MTX-R is designed to thrive in the most extreme conditions. The MTX-R has been tested to US NEDU (Navy Experimental Dive Unit) military requirements, which unlike normal cold water regulators, can handle temperatures as low as 0.5 degrees C at 60m. Similarly, the Nitrox MTX-R has been rigorously oxygen cleaned and tuned meaning you aren’t simply limited to 40% nitrox blend (the usual limit for recreational diving). Instead you’re able to use 100% oxygen.
Thanks to its overbalanced diaphram the Nitrox MTX-R is capable in deep water: as you descend the ambient water pressure restricts your pipes air flow; the MTX-R increases the flow of air as you descend deeper, ensuring you receive consistent air supply throughout your dive.
The MTX-R 2nd stage is pneumatically balanced allowing to enjoy unparalleled breathing quality throughout your dive, no matter the conditions or how much air is left in your tank. Because the MTX-R is expected to be used in cold environments, Apeks’ have fitted an oversized heat exchangers around the valve mechanism. This helps to increase the air temperature entering the 2nd stage so you can enjoy more comfortable breathing temperatures, while also preventing free-flow on the regulator.
As with all Apeks’ regulators the MTX-R comes with a Comfo-Bite mouthpiece. This mouthpiece features a tab that sits across your palate, it both supports the regulator, eliminating jaw fatigue and prevents dry mouth especially during long dives. Designed to handle any environments you throw it at the Nitrox MTX-R 2nd stage is protected by heavy-duty (but extremely light) elastomer bumpers while the front cover features an over-moulded front cover to protect it from damage.
In Europe the Apex Nitrox Regulators are sold with an M26 connection.
Do not attempt to use any Nitrox Product until obtaining training in nitrox use with mixtures containing over 21% 02 from a nationally recognised training agency.
Key-Benefits
- 100%-Oxygen Nitrox Compatible - While many of regulators are able to support low concentration nitrox blends the Apeks Nitrox MTX-R has been oxygen cleaned - a complex a rigorous procedure that must be undertook is incredibly clean labs. This allows it use 100% oxygen nitrox blends, enough for the most advanced divers!
Apeks Nitrox MTX-R 1st
- Made For The Harshest Environments - Based on Apeks designs for the US military the MTX-R can withstand the harshest environments that any scuba diver will experience.
- NEDU Certified - While most regulators are tested using the EN250a standard that requires the regulator to descend the 50m in water temperatures between 2 and 4 degrees the MTX-R has passed the NEDU (US Navy Experimental Dive Unit) requirements. This requires the regulator descends to over 60m metres at 10m per minute at a temperature of 0.5*C. It must then be maintained at that depth for 30 minutes at a constant breathing rate of 62.5 litres per minute with inspections for freeflow every 10 minutes before ascending at 18m per minute. The MTX-R is then given a final inspection for freeflow on the surface. This brutal inspection ensures the MTX-R is able to handle the most extreme environments like few other regulators.
- Over Balanced Diaphragm Design - The MTX-R features an overbalanced design. This gives you clean, effortless breathing no matter what depth you’re at. As you descend the pressure of the air in your low pressure hose increases counteracting the effects of external water pressure impeding the flow of air in your hoses for consistent breathing throughout.
- Zero Ice Build-Up - To prevent ice build-up within the 1st stage the MTX-R features an over moulded end cap and environmentally sealed diaphragm.
- Ribbed Diaphragm Clamp & Body - The body of the 1st stage is ribbed increasing its surface area for superior heat transfer into it. This further prevents ice build-up causing free flow and increases the air temperature within the regulator for more comfortable breathing.
- Rotating Head - Rotate the MTX-R head to route your hoses optimally.
- 5 LP 2 HP Ports - The MTX-R features 5 Low Pressure Ports and 2 HP pressure ports, allowing you to install all of your dive gear and route your hoses optimally.
- Single Piece Forged Body - The single piece forged body ensures the MTX-R is nearly indestructible and allows for improved thermal performance.
Apeks Nitrox MTX-R 2nd Stage
- Tuned Design - The Apex MTX-R 2nd has been optimally tuned to provide impeccable performance in any condition meaning it doesn’t need a venturi switch.
- Pneumatically Balanced Design - The MTX-R provides gives you consistent, effortless breathing even when you’re running low on air thanks to its pneumatically balanced design.
- Easy-use Purge Button - The purge is large and easy to use. It’s self-flushing and controllable.
- Tough Build - The MTX-R Second stage is reinforced, allowing it to withstand whatever you throw at it. The front cover features an over-moulded elastomer over a chrome plated brass plate for robust durability. Large protective elastomer bumpers on the top and sides of the regulator protect it from damage.
- Simple Hose Routing - The MTX-R is reversible allowing you to mount the hoses to the right or left. Whichever you prefer.
- Comfortable Air Temperate - A heat exchanger is situated around the valve mechanism. This increases the temperature of the air entering the regulator for more comfortable breathing.
- Comfo-Bite Mouthpiece - Dive for hours in complete comfort with the Comfo-Bite Mouthpiece. It features a bridge that sits across the palate of your mouth preventing it from drying out and providing comfortable support for your 2nd stage.
- Swivel Hose Mounts - The hose mounts swivel reducing drag on your face for improved comfort.
- Easy Servicing - The Apeks MTX-R is easy to maintain and service so you can keep enjoying it for years of dives to come.
Who is the Apeks Nitrox MTX-R For?
The Apeks Nitrox MTX-R is designed for divers who need a regulator to take on any and every undersea environment possible. Nitrox Tuned, the MTX-R is ideally suited for technical divers who want to push the limits and experience extended bottom times with more oxygen rich nitrox blends. It’s important to remember that any diver planning on using nitrox MUST receive training beforehand.
Who are Apeks?
Well known for their design and manufacturing of high quality breathing apparatus, Apeks supply more UK divers with regulators than any other dive manufacturer. Apeks has grown to become one of the benchmarks of the industry with superior standards in both engineering and design. Innovative development of not only their regulators but other diving equipment, Apeks offer a lifetime guarantee on all of their equipment, a testimony to the reliability and quality.
Apeks Nitrox MTX-R Specification
Connections
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M26 and DIN available
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Type of first stage
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Over-balanced diaphragm design, environmentally sealed
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Body Type
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One piece forged body
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Number of HP ports
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2 (7/16" UNF)
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Number of MP ports
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5 (3/8" UNF)
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Environmental Dry Kit
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Standard
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First stage exterior
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Satin chrome
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Orientation
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Convertible LH or RH
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Coldwater Use
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Yes - extreme
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Type of second stage
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Pneumatically balanced
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Opening Effort Control Knob
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No
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Integrated Venturi Lever
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No
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Mouthpiece
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Comfo-bite™
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Exhaust tee
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Diver Changeable - one set supplied
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Heat Exchanger for freezing resistance
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Yes
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Hose type
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Braided Flexi-hose
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Nitrox compatible
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Yes
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