Uwatec C370 - First and Second Stage Features

10
5.3 Firstandsecondstagefeatures
The following tables summarize the specic features of SCUBAPRO rst and second stages.
First stage
MK25
EVO T
MK25 EVO MK2 EVO MK19 EVO MK17 EVO MK11 MK25 EVO
NITROX
MK2 EVO
NITROX
Technology
Piston
Air-balanced-ow-through
Classic downstream
• •
•
•
•
Balanced diaphragm
• • •
Materials
Chrome
plated brass body
• • • • • • •
Full titanium body
•
Cold water
Anti-freeze protection (AF)
• • • • •
Dry chamber
• •
XTIS antifreeze system
• • • • •
Nitrox compatible up to 100% oxygen concentration
• •
Ports
Intermediate pressure Ports (IP)
5 5 4 5 4 4 5 4
High Flow Ports (HFP)
5 5 - 5 4 2 5 -
High Pressure (HP) Ports
2 2 1 2 2 2 2 1
Swivelling turret with IP Ports
• • • •
Conguration
INT 230 bar (3336 psi) • • • • • •
DIN 300 bar (4351 psi) • • • • • •
Dedicated Nitrox EN144-3
200 bar (2900 psi)
• •
Externally adjustable intermediate pressure
• •
•
•
Weight DIN 300 (g/oz)
350/12.3 570/20.1 450/15.9 665/23.5 640/22.6 490/17.3 - -
Weight INT (g/oz)
475/16.7 790/27.9 670/23.6 885/31.2 860/30.3 710/25 - -
Weight EN 144-3 200 bar (g/oz)
612 / 21.6 490 / 17.3
Air Flow at 200 bar (l/min / SCFM)
>8500 / 301 >8500 / 301 3000 / 106 >6900 / 244 >6900 / 244 >5500 / 195 >8500 / 301 3000 / 106
Intermediate pressure 230 bar/3336 psi (bar/psi)
9.2-9.8 /
133-142
9.2-9.8 /
133-142
9.5 - 10 /
138-145
9.2-9.8 /
133-142
9.2-9.8 /
133-142
9.2-9.8 /
133-142
9.2-9.8 /
133-142
9.5 - 10 /
138-145