




Apeks MTX-R Regulator Set
The Apeks MTX-R regulator is based on the MTX, a regulator that was developed in accordance with the United States Navy Experimental Dive Unit extreme cold water test. Innovations in design mean that the MTX-R regulator performs in almost freezing water.
DIN or A-Clamp?
Dispatched in 1 to 2 days
Apeks MTX-R Regulator
Innovations in design allow the Apeks MTX-R Regulator Set to perform in near-freezing water at depths exceeding 60 meters. Few consumer regulators match this capability. Additionally, the MTX-R is reliable. Furthermore, you can easily service it in the field.
For over 20 years, the military has relied on Apeks regulators. Now, Apeks brings military expertise to consumers. The "M" in MTX signifies Military. Conversely, the "R" denotes recreational. Specifically, the MTX-R is based on the MTX. Notably, this regulator underwent the US Navy's extreme cold water test.
Apeks MTX-R Regulator Set includes:
- Apeks MTX-R First Stage
- Apeks MTX-R Second Stage
- Apeks Flexi Regulator Hose
- MTX-R Messanger Bag
MTX-R first stage
The cold water-rated Apeks MTX-R first stage features a unique over-balanced diaphragm. As divers descend, overbalancing increases hose medium pressure faster than ambient pressure. Consequently, it ensures superior depth performance. Additionally, it has an over-moulded endcap and environmental diaphragm. Moreover, the forged 1st stage body maximises thermal performance.
The Apeks MTX-R boasts a forged rotating turret. Medium-pressure ports run parallel. Thus, hose orientation improves. Angled HP ports optimise hose routing. This allows for easy transmitter fitting.
- Suitable for cold water use (below 10°C).
- The 5th 3/8” UNF medium-pressure port has a protective bumper.
- Forged first stage body includes heat exchanging ribs.
- Ribbed diaphragm clamp improves heat exchange in cold water.
- Nitrox/Oxygen compatible up to 40% O2 (outside the EU).
MTX-R Second Stage
The Apeks MTX-R Second Stage performs in near-freezing water. Few consumer regulators achieve this. It is reversible (right and left hand). Also, it has a redesigned, enlarged, patented heat exchanger. This dissipates cold from gas expansion. Metal is incorporated into the front cover. Large protective bumpers guard the 2nd stage.
Beyond extreme cold water ability, the Apeks MTX-R Second Stage is rugged. It withstands expedition knocks and bumps. Specifically, it has a simple-to-use design. It lacks dive adjustment controls. Thus, free flow risk decreases.
- Reversible (left or right hand) design.
- Patented heat exchanger surrounds the valve mechanism.
- Comes with a comfort-bite mouthpiece.
Connections | DIN |
Type of first stage | Over-balanced diaphragm design, environmentally sealed |
Body Type | One piece forged body |
Number of HP ports | 2 (7/16" UNF) |
Number of MP ports | 5 (3/8" UNF) |
Environmental Dry Kit | Standard |
First stage exterior | Satin chrome |
Orientation | Convertible LH or RH |
Coldwater Use | Yes - extreme |
Type of second stage | Pneumatically balanced |
Opening Effort Control Knob | No |
Integrated Venturi Lever | No |
Mouthpiece | Comfo-bite™ |
Exhaust tee | Diver Changeable |
Heat Exchanger for freezing resistance | Yes |
Overall work of breathing (WOB) scores | Avg. 1.75 joules/litre |
Nitrox compatible | Yes to 40% O2 out of the box / Can be O2 cleaned to 100%. |
SHIPPING:
We aim to dispatch all in-stock items within 2 working days but will inform you of approximate delivery times should any item on your order be out of stock or on supplier backorder due to current manufacturing or transport delays caused by global shortages and/or impeded production.
Please refer to our Shipping Policy and Returns & Refunds Policy for detailed information on delivery terms and returns.
Our current shipping rates are as follows:
• UK mainland orders £45 and over: FREE
• UK mainland orders under £45: £4.90 Fixed Rate
• Scottish Higland and Islands & Isle of Man: £9.90 Fixed Rate
• Channel Islands & Northern Ireland: £14.90 Fixed Rate
• European Union: £13.90 + 5% of order value (maximum £30)
• Rest of the World: £19.50 + 8% of order value (maximum £55)
• BFPO Post Codes: £20
INTERNATIONAL EXCEPTIONS:
For international orders containing weights, cylinders (excluding suit inflation bottles) and Suex scooters please contact us in advance before placing your order.
These products are not included in our global max-capped shipping rates and are only shipped outside of UK mainland after freight cost is calculated based on total weight, dimensions of parcel, location of delivery and the courier service used. We will let you know what this cost will be before processing any order.
All cylinders we ship within and outside of UK mainland are filled and tested on site before being emptied for dispatch. Cylinders shipped outside of the UK will be empty and will also have their valves removed, requiring reassembly after you receive delivery. Twinset manifolds and bands will also be removed and dispatched together with the cylinders for safe global shipping.
RETURNS & REFUNDS
We offer a 30 day return for any product sold under our Returns & Refunds Policy Please contact us before any return with your order number and date details. Receive our Returns Authorisation Form and instructions and enclose them with your return to expedite a refund. Detailed information is available in our Returns & Refunds Policy.
Email us at sales@dirdirect.com or call us on +44(0)1305 824 555
Note that all returned items are shipped at the customer's own risk and remain the customer's property until received by Underwater Explorers, so please ensure they are packaged well and use reliable postal services with tracking facilities. The goods will be inspected on arrival.
Return postages are at your own cost and our outbound shipping costs (if items are sold with integrated basic shipping charges i.e. Free shipping for orders £45 and above) the UK shipping rate may be deducted from any UK mainland refund unless linked to a fault/defect claim.
Please contact us with your order number and name before sending any returns to:
Underwater Explorers – Returns
Unit 1, Maritime Business Centre
Mereside, Portland
Dorset, DT5 1FD
United Kingdom
Please refer to our Shipping Policy and Returns & Refunds Policy for detailed information.