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SCUBAPRO MK19 EVO/D420 Dive Regulator System

5.0 5.0 out of 5 stars 2 ratings
$629.00
FREE Returns
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About this item

  • The MK19 EVO first stage with air balanced diaphragm is paired with the next-generation D420 balanced second stage for natural breathing and diving comfort in all dive scenarios.
  • Air-balanced Progressive Flow Control Valve delivers abundant airflow with an natural smoothness comparable to breathing above water.
  • Inner winglets within the D420's case direct airflow towards the exhaust valve dramatically improving exhalation effort, while a diaphragm lower in the casing takes advantage of the pressure gradient in the upright position for easier breathing.
  • The Dive/Pre-Dive System adjusts the direction of the airflow right out of the valve by adjusting the thumb tab switch on top of the casing.
  • Ideal for waters containing lots of suspended particles or silt, the compact MK19 EVO first stage's air-balanced diaphragm delivers effortless airflow unaffected by depth, tank pressure, or breathing rate.
  • Reversible hose attachment allows for either left- or right-side LP hose connections for maximum rigging flexibility
  • Large purge button is easy to reach and depress, with or without gloves.
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SCUBAPRO MK19 EVO/D420 Dive Regulator System
$629.00
Get it as soon as Friday, May 17
Only 1 left in stock - order soon.
Sold by DiveCatalog and ships from Amazon Fulfillment.
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SCUBAPRO 2-Gauge U-Line Diving Console, PGPSI DGFT
$224.00
Get it as soon as Friday, May 17
Only 2 left in stock - order soon.
Sold by DIPNDIVE and ships from Amazon Fulfillment.
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From the manufacturer

MK19 EVO / D420 Dive Regulator System
MK25 EVO/D420 Diving Regulator System

Natural, Smooth Breathing

MK19 EVO / D420 Dive Regulator System

Dive confidently with the SCUBAPRO MK19 EVO/D420 regulator set, which combines the high-performance MK19 EVO first stage with the D420 second stage to create a premium regulator system.

Combining the iconic design of the original D-Series regulators with the latest advances in breathing performance technology, the D420's new air-balanced Progressive Flow Control Valve delivers abundant airflow with a natural smoothness comparable to breathing on the surface.

The D420 also features a uniquely shaped, fiberglass-reinforced nylon casing that allows the LP hose to be connected on either the right or left side for maximum rigging flexibility.

Great for Technical Diving

Uniquely well-suited to handling cold water and the harsh diving conditions, the MK19 EVO first stage with an air-balanced diaphragm features an environmentally sealed system and LP port swivel turret.

Key Technical Specs

  • 1st Stage Type: Diaphragm
  • 1st Stage Material: Chrome-Plated Brass
  • 2nd Stage Design: Balanced (D Series)
  • 2nd Stage Material: Metal Components
  • Water Temperature: Cold, Temperate, Warm
  • Connector Type: INT
  • Nitrox Mix: Up to 40%

D420 Second Stage

MK19 EVO First Stage

MK25 EVO / D420 Diving Regulation System

Smooth Operation

The perfect blend of rich diving history and cutting-edge regulator technology, the D420 features inner winglets that direct airflow towards the exhaust valve for optimal exhalation and a switch-operated dive/pre-dive system on the top of the casing for adjusting the direction of airflow right out of the valve.

A large purge button is easy to reach and depress with or without gloves, and the compact exhaust tee deflects bubbles from your view.

Effortless Air Delivery

The MK19 EVO air-balanced diaphragm first stage delivers effortless airflow that's unaffected by depth, tank pressure, or breathing rate. It features a new dry chamber that's equipped with a double spring to make it more compact and reliable.

Four high-flow LP ports plus one axial super high-flow LP port maximize hose routing options.

Benefits of Diaphragm Technology

An air-balanced diaphragm first stage like the MK19 has more moving parts than a piston first stage. However, its body is environmentally sealed to prevent water and pollutants from fouling the inner mechanism.

Because of this, it's a great choice for divers who find themselves in waters containing lots of suspended particles, silt, or contaminating materials.

MK25 EVO/A700 Carbon BT System MK25 EVO/A700 System MK17 EVO/A700 System MK25 EVO/D420 System MK19 EVO/D420 System MK25T EVO/S620 X-Ti System
MK25 EVO/A700 Carbon BT System MK25 EVO/A700 System MK17 EVO/A700 System MK25 EVO/D420 System MK19 EVO/D420 System MK25T EVO/S620 X-Ti System
Customer Reviews
4.4 out of 5 stars
16
5.0 out of 5 stars
14
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5.0 out of 5 stars
1
5.0 out of 5 stars
1
5.0 out of 5 stars
2
Price $1,659.00 $1,104.87 $933.10 $624.94 $624.94 $2,785.00
First Stage Type MK25 EVO (Black Tech Coated) with Air-Balanced Piston MK25 EVO with Air-Balanced Piston MK17 EVO with Air-Balanced Diaphragm MK25 EVO with Air-Balanced Piston MK19 EVO with Air-Balanced Diaphragm MK25T EVO (full titanium) with Air-Balanced Piston
First Stage Material Black Tech-Coated Brass Chrome-Plated Brass Chrome-Plated Brass Chrome-Plated Brass Chrome-Plated Brass Titanium
Low-Pressure Ports with High-Flow (HF) 5 5 4 5 5 5
High-Pressure Ports 2 2 2 2 2 2
Swivel Ports ✓ ✓ ✓ ✓ ✓
Extended Thermal Insulating System (XTIS) ✓ ✓ ✓ ✓ ✓
Second Stage Type A700 Carbon BT with Air-Balanced Valve A700 with Air-Balanced Valve A700 with Air-Balanced Valve D420 with Air-Balanced Valve D420 with Air-Balanced Valve S620 X-Ti with Air-Balanced Valve
Second Stage Material Carbon Fiber Cover All-Metal Casing All-Metal Casing Metal Components Metal Components Titanium Components
Adjustable VIVA Yes, Coaxial Yes, Coaxial Yes, Coaxial No No Yes
Connector Type INT INT INT INT INT INT
MK25 EVO / D420 Dive Regulator System

Product Description

Designed for avid divers everywhere, the K19 EVO first stage with balanced diaphragm is paired with the next-generation D420 balanced second stage for easy breathing and diving comfort in all dive scenarios. The D420's uniquely shaped, ultra-durable fiberglass-reinforced nylon casing allows the LP hose to be connected on either the right or left side for maximum rigging flexibility. IInner winglets within the D420's case direct airflow towards the exhaust valve dramatically improving exhalation effort, while a diaphragm lower in the casing takes advantage of the pressure gradient in the upright position for easier breathing. The Dive/Pre-Dive System adjusts the direction of the airflow right out of the valve by adjusting the thumb tab switch on top of the casing. Other features include a large purge button that's easily operated with or without gloves, a compact Hi-Flow mouthpiece for improved airflow and comfort, and four high-flow and one axial super high-flow low pressure ports on a swivel turret. Ideal for waters containing lots of suspended particles or silt, the compact MK19 EVO first stage's air-balanced diaphragm delivers effortless airflow unaffected by depth, tank pressure, or breathing rate. An air-balanced diaphragm first stage has more moving parts than a piston first stage, but its body is environmentally sealed . Driven to constantly innovate and improve the diving experience, SCUBAPRO builds flawless equipment for the work, sport, and lifestyle of people whose passion is found below the surface.

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SCUBAPRO MK19 EVO/D420 Dive Regulator System

SCUBAPRO MK19 EVO/D420 Dive Regulator System

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Customer reviews

5 out of 5 stars
5 out of 5
2 global ratings

Top review from the United States

R. Kopp
5.0 out of 5 stars Worked great and well made
Reviewed in the United States on March 21, 2022
Verified Purchase
Bought to upgrade old US Divers regulator. I used it on a dive trip to Bonaire and was very happy with the way it worked.
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