Cressi MC9 SC/COMPACT PRO

The MC9-SEAL CHAMBER 1ST stage is environmentally sealed, protecting it against icing in cold water and against contamination from particulate matter in silty conditions. When paired with the Ellipse Balanced second stage, which includes an internal heat exchanger, this regulator is an excellent choice for divers exploring the most extreme cold water environments.

1st Stage:

• Balanced diaphragm (seal chamber for MC9SC)
• 2 outlets HP 7/16 UNF
• 4 outlets MP 3/8 UNF
• Service pressure: 300 bar (4350 psi) DIN version, 232 bar (3365 psi) Yoke version
• Calibration pressure: 10 Bar
• Brass body Electroless Nickel plated
• High capacity conical filter electroless nickel plated
• Aisi 316 removable nozzle
• Hyper-balancing
• Anti-pressure drop pneumatic spring
• Setting spring: stainless steel with micropeening treatment
• Replaceable cylinder with anti-friction and anti-corrosion properties
• Elastomer protector
• Flow rate: 4500 l/min
• Yoke version weight: 650 gr
• Din version weight: 510 gr

2nd Stage:

• Downstream system
• Adjustable venturi effect
• Patented antifriction lever
• Thermoconductive technopolymer body
• Big purge button
• Anti-scratch surface
• Bayonet-type cap holder with security lock
• Stainless steel cover
• Removable exhaust tee without tools
• Weight without hose: 140 gr

Combination performance:

• Average Cracking effort 7.5 mbar

• Average breathing effort 1.2 J/l

Jacketed hose extremely light and flexible weight: 153 gr

CERTIFICATION EN250/2014

THE MC9-SEAL CHAMBER 1ST STAGE is environmentally sealed, protecting it against icing in cold water and against contamination from particulate matter in silty conditions.