Scubapro MK25 EVOBT/S620Ti 60th Anniversary Carbon BT

Scubapro | SKU: 12.620.450

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$2,200.00

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Connection Type

DIN INT

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Description

SCUBAPRO marks its 60th anniversary with the MK25 EVO/S620Ti Carbon BT, a limited-edition regulator designed for scuba and diving gear. The piston-first stage uses a chrome-plated brass body with a durable Black Tech DLC coating, paired with a titanium-based second stage for reliable underwater breathing in a variety of conditions. This carbon edition emphasizes durability and performance for serious divers in aquatic environments.

The regulator delivers consistent airflow through an air-balanced flow-through piston design, ensuring breathing comfort at depth and across tank pressures. The XTIS Extended Thermal Insulating System fully insulates the internal mechanism to improve cold-water performance, and anti-freeze protection further enhances reliability in extreme water temperatures. Two opposing high-pressure ports allow flexible orientation, while a swivel turret on the low-pressure side provides routing options with four high-flow and one axial super high-flow LP ports.

Breathing control is supported by an air-balanced valve and a compact diaphragm to maximize sensitivity, with user controls including an easy-grip diver-adjustable inhalation effort knob and a Venturi-Initiated Vacuum Assist (VIVA) lever. The exhaust tee keeps bubbles out of the field of view for better underwater visibility, and the Hi-Flow mouthpiece on an enlarged mouthpiece pipe improves airflow and mouth comfort. A super-flow hose with an oversized bore enhances air delivery per inhalation. The first stage is piston-driven and the second stage uses the S Series with titanium components and a titanium valve housing, delivering robust performance in warm, cold, or temperate water.

Features

Durable Black Tech DLC coating provides scratch and oxidation resistance with a deep black finish.
Air-balanced flow-through piston design delivers constant airflow, unaffected by depth, tank pressure, or breathing rate.
XTIS Extended Thermal Insulating System fully insulates the inner mechanism, improving cold-water resistance by up to 30% and delaying ice formation.
Anti-freeze protection increases breathing reliability in extreme water temperatures.
Two opposing high-pressure ports allow first-stage orientation up or down.
Four high-flow and one axial super high-flow LP ports on a swivel turret maximize hose routing options.
Air-balanced valve smooths inhalation effort at varying depths and supply pressures.
Compact diaphragm fits inside a smaller housing for maximum breathing sensitivity.
User controls include an easy-grip diver-adjustable inhalation effort knob and a Venturi-Initiated Vacuum Assist (VIVA) lever.
Exhaust tee directs bubbles out of the field of view for clearer visibility.
Hi-Flow mouthpiece mounted on an enlarged mouthpiece pipe to improve airflow and mouth comfort.
Super-flow hose features an oversized bore to allow more air to flow on each inhalation.
First- and second-stage construction—1st stage piston; 2nd stage S Series with titanium components and titanium valve housing.
Materials—1st stage chrome-plated brass; 2nd stage titanium components and valve housing.
Gas capability—21-100% Nitrox and Trimix; Nitrox mixes up to 40% supported.
Ports and connectors—HP ports: 2; LP ports: 5; DIN connector.
Operational range—suitable for warm, cold, and temperate water.
Weight—approximately 2.105 lb.
Anniversary edition—limited-edition status within SCUBAPRO's lineage.
Gases and compatibility—supports up to 8 gas mixes.

Specifications

Number of Gases	8
Gas Capability	21-100% Nitrox, Trimix
Algorithm	ZH-L16 ADT MB PMG, ZH-L16 GF
Operating Modes	Freediving, CCR, Scuba, Gauge
Display Type	Color
Memory Capacity	485MB
Battery Replacement Type	Rechargeable
Number of Control Buttons	4
XL Dot Matrix Display	No
Connectivity	Bluetooth, USB
Built-In Compass	Yes
Adjustable Second Stage	Yes
2nd Stage Design	Balanced
Weight	2.105 lb
1st Stage Type	Piston
2nd Stage Series	S Series
Water Temp	Warm, Cold, Temperate
Connector Type	DIN
Nitrox Mix	Up to 40%
HP Ports	2
LP Ports	5
1st Stage Material	Chrome-Plated Brass
2nd Stage Material	Titanium Components
2nd Stage Valve Housing Material	Titanium

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WARNING: This product contains chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm. For more information, visit www.P65Warnings.ca.gov.

Frequently Asked Questions

ScubaPro MK25 EVO vs MK17 EVO2: which first stage should I choose?

The MK25 EVO is a balanced piston first stage — it delivers the highest airflow and instant response, and it is the choice of many performance-focused and warm-to-cold water divers. The MK17 EVO2 is a sealed diaphragm first stage — its internals are isolated from water, which makes it the traditional pick for very cold water and silty or salty conditions with less maintenance sensitivity. Both are excellent; choose the MK25 EVO for maximum performance and adjustability, the MK17 EVO2 for a fully sealed set-and-forget workhorse.

Should I order my ScubaPro regulator in DIN or yoke?

Yoke (INT) is the most common fitting on rental tanks in North America and the Caribbean, so it is the simplest choice if you mostly dive at resorts. DIN screws directly into the tank valve, is rated for higher pressures, and is standard in Europe and technical diving — and a DIN regulator can use a simple adapter on yoke tanks, which makes DIN the more flexible long-term choice for traveling divers. ScubaPro sells both versions, and a yoke regulator can later be converted to DIN by an authorized dealer using a genuine ScubaPro conversion kit (DIN owners going the other way simply use a DIN-to-yoke adapter — no conversion needed).

What is the difference between the MK25 EVO and the original MK25?

The EVO generation added ScubaPro's XTIS (Extended Thermal Insulating System), which improves freezing resistance in cold water, along with updated materials and finishes. The core balanced-piston design that made the MK25 famous is unchanged — the EVO is the same performance with better cold-water protection.

Is the S620Ti second stage good for cold water, and what does the Ti mean?

Ti refers to the S620Ti's titanium components — the inlet tube and barrel are full titanium, making the second stage ultralight and highly corrosion-resistant, housed in a rugged fiber-reinforced technopolymer casing. It is the successor to ScubaPro's legendary S600: smaller and lighter, but with the same-size diaphragm for effortless airflow in all conditions. Paired with the MK25 EVO first stage, the system is cold-water rated.

How often does a ScubaPro regulator need service?

ScubaPro's official recommendation is a full service by an authorized ScubaPro technician every 2 years or 100 dives, whichever comes first. If you dive heavily (100+ dives a year), ScubaPro recommends an inspection every 6 months and an overhaul annually. Staying on schedule also keeps you eligible for ScubaPro's Parts For Life program — free service parts for the original owner when the regulator is registered and purchased as part of a qualifying package from an authorized dealer. As an authorized ScubaPro dealer, we can help with registration and service when it is due.

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Pay the extra

It may cost a little more but compared to the Scubapro Hydros Cargo Thigh Pocket, but it’s a night and day difference. I haven’t heard a complaint about the S-TEK.

The S-Tek is made from heavy-duty 1000D Cordura, to meet the stresses of the environment and hard use. How does this compare to Scubapro Hydros Cargo Thigh Pocket, people complaining the material ripping apart at the seams/stitching after 20 dives.

Mounting uses a stainless steel bolt snap to the waist harness D-ring and an adjustable strap for the thigh, the Hydros uses a plastic hook and strap.

The S-TEK is the largest of the three, measuring approximately 10” x 5” x 3” which is big enough to fit my iPhone 15 in the SeaLife SportDiver Ultra Underwater Housing.

I’m not sure where Scubapro all went wrong with the Hydros and Ninja pocket, but for the price of shipping, I would only purchase the S-TEK.

Affordable Fins

Purchased these from Amazon, before I learned about DiveCatalog.com, so while I paid more, they were still an affordable option while waiting on the warranty repair of my Scubapro Supernova fins. I wear a size 12 shoe (NIKE & New Balance) and the chart recommends XL which matched the Supernova XL fins, but to me, the pocket felt a bit tight, so I returned them for the 2XL. While you “can” wear them without a bootie, I wear Scubapro Go 3mm socks (3XL) and the still fit fine. The are positive buoyancy, although I don’t think as positive as the Supernova, but I feel better knowing they will float instead of falling to the ocean floor while doffing them prior to getting back on the boat.

Love the Supernova Dive Fins

My new Scubapro Supernova Fins had a small cut on the top of the boot. I asked the dive shop owner what he recommended to fix the boot. He informed me that they were made of monprene and suggested he reach out to the Scubapro Rep prior to trying to fix them with superglue.

I called Scubapro when I got back to the US and they recommended taking it to a dive shop for a warranty repair. Problem is Las Cruces is the nearest dive shop and that's an 11 hour trip. I took it to a dive shop when I flew back to Virginia, but they had to ship it to California, so the process took longer than my stay.

Being modular, I opted to buy a second set of the boot pockets so I don't have to worry about down time in the future should problems arise. Plus I can use Scubapro S-Tek Pro Blade if I want to go with a neutral or negative buoyancy fin.

Objects in your review mirror are smaller than they appear!

Scubapro Hydros Accessory Bungees are smaller than they look, but the Medium size works well for securing my action camera floatie handgrip in place. To set them up, you loop the bungee back through itself to attach to the d-ring fixation point. The center piece then slides down to clamp the accessory.

While they perform great with the grippy, foamy action camera handle, they may be less secure on heavier gear with a slick surface—like my dive light. For that setup, I’d recommend adding a second attachment point on the BCD (for example, using the metal d-rings with a snap hook on a longer lanyard) to help ensure the light doesn’t end up on the ocean floor.

A necessity for UW photography

ScubaPro Hydros Pro 2 Monorail (Hydros Pro2, Multi-Mount) is a must-have accessory for underwater photographers who want extra attachment points beyond the standard D-rings. I’ve mounted one rail on the left for my SMB, and the right side gives me a clean, stable spot for an action camera on the floatie handgrip.

The Hydros Pro 2 is an outstanding BCD—especially for anyone who has to travel for dive opportunities—but it’s noticeably light on storage and mounting options if you commonly dive with lots of add-ons. This monorail system helps bridge that gap and makes it much easier to carry and position the gear you actually want to use underwater.

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Scubapro MK25 EVOBT/S620Ti 60th Anniversary Carbon BT