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Apeks MTX-R Sidemount Set

Apeks MTX-R Sidemount Set

Campaign price
1 360,10 + delivery costs
Offer ends in
Normal price 1 659,00 €
Incl. VAT 24 %


Delivery time approximately 21 - 60 day(s).
Store (Helsinki)on-shelf0 pcs
Available in the webstore0 pcs

Approximately 21 - 60 day(s) from the order. The reliability of the estimation is a little uncertain.

Detailed availability
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Product description
The MTX-R sidemount set is a super tough, rugged, high performance, go anywhere sidemount regulator configuration
designed to meet the rigors of cold water and extreme sidemount diving. The MTX-R is highly reliable and also very easy to service out in the field which make it an ideal choice for the expedition and exploration diver.

Features and Benefits

Second stages

- Simple to use with no dive controls, pre-settable cracking effort or venturi control by an Apeks approved qualified
- High performance pneumatically balanced lever operated poppet valve.
- Large diver friendly self-flushing controllable purge button.
- Front cover with over-moulded elastomer bumpers incorporates a formed chrome plated brass plate improving
durability of the demand valve.
- Large protective elastomer bumpers on the side and on the top to protect the demand valve from impacts and
scratches in the most vulnerable places.
- Reversible second stage for either a left or right-hand gas supply.
- Hard wearing, satin chrome.
- All gas contact moulded parts are produced using an active protection additive that kills MRSA, protects against
E-Coli, bacteria and fungi, and is also very effective against viruses, mold, yeast and algae.
- Large heat exchanger fitted to help reduce second stage freezing.
- Nitrox/Oxygen compatible

First stages

-Over balanced for superior performance.
- Compact environmentally sealed diaphragm system completely eliminating the maintenance issues associated
with silicone, oil or grease filling.
- Recommended for frequent use in cold or contaminated water.
- Environmental over-moulded endcap & diaphragm that helps prevent ice build-up that can cause first stage free
flow in extreme circumstances. Also protects the first stage from impact damage.
- Double swivel hose for greater freedom of movement and comfort.
- 5 x 3/8” UNF medium pressure ports & 2 x 7/16” UNF high pressure ports.
- The 5th 3/8” UNF medium pressure port includes a protective bumper when not in use.
- Forged first stage body with heat exchanging ribs for maximum thermal performance.
- Angled HP ports for optimal hose routing and fitting transmitters.
- Forged rotating turret with medium pressure ports in a parallel direction for improved hose orientation.
- Tested for Octopus use - EN250A to 60 meters cold water.
- Nitrox/Oxygen compatible

Kit Contents
- 2 ea. DPT DIN 1 st stages with 5 port swivel turrets.
- 2 ea. MTX-R second stages.
- 210cm double swivel hose.
- 61cm double swivel hose
- 2 ea. 25cm length MP inflation hoses (one for buoyancy system, one for drysuit)
- 2 ea. TEK pressure gauges with 18cm hoses
- 1 ea. 90° elbow fitting
- 1 ea. bungee necklace
- 1 ea. bungee clip
- 1 ea. stainless steel bolt snap
- 2 sets of short exhaust ports
- Regulator bag.
- Setup illustration, CD manual and quick start guide



Sidemount regulator set.

Weight (total including bag, regulators, hoses, gauges and accessories)

DIN – 3.84 Kg (8.46 lb)

Max working pressures

1st Stage

DIN - 300 bar (4351 psi)

2nd Stage

9-10 bar (131-145 psi)

Part No.


Certified to

EN 250A - Open circuit self-contained compressed air diving apparatus and Auxiliary Emergency Breathing System (with Octopus) at 60 meters (164 ft), Cold Water Use, less than 10oC (50oF)

EN13949 - Open circuit self-contained diving apparatus for use with compressed Nitrox and oxygen.

EN ISO 12209 - Outlet Connections for gas cylinder valves for compressed breathable air.

Personal Protective Equipment (PPE).

Pressure Equipment Directive (PED).

Maintenance kit no.s

1st stage – AP0241

2nd stage – AP0219

Cold Water Compatible


Service intervals

1st stage: 2 Years (with annual inspection),

2nd stage: 1 year

Key features

Suitable for extreme cold-water use.

Easy to service

Ideal for the expedition and exploration use.

Reversible 2nd stage.

Intended use

Technical, Exploration & recreational divers.


1.75 J/l (@ 60m (164 ft) @ 1°C (34oF)

Connection Types


Number of Ports per 1st stage.

Medium Pressure: 5

High Pressure: 2

Nitrox/Oxygen compatible

Out of the box, up to 40% O2 outside the EU (European Union), within the EU anything above 21% O2 must use an M26 Connection.

100% O2 once oxygen cleaned.

The approximate size of the packed product or the sales package is 300 x 300 x 150 mm.


4,7 kg(Includes the weight of the sales package if present)

12 month(s)

Country of origin
United Kingdom

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