Coltri Sub POLARIS Use And Maintenance Manual page 35

ENGLISH
SPECIFICATIONS
- Yoke 230 bars - 3300 psi
- DIN 300 bars - 4400 psi
The Polaris regulator are composed of a balanced diaphragm first stage
with swivel and a balanced second stage with Venturi and sensitivity
adjustments (Dive mode).
First stage
The balanced diaphragm first stage reduces the high pressure air in the
cylinder to an adjustable intermediate pressure of 9,5 bars (145 PSi) above
ambient pressure. The first stage is balanced and delivers air at constant
pressure even as the pressure decrease inside the cylinder. A low pressure
hose links the first to the second stage. The first stage features four 3/8" LP
ports and two 7/16" HP ports.
Second stage
The Polaris second stage is a pneumatically balanced second stage,
witch offers optimum ease of breathing. An additional adjustment allow
the diver to fine tune the Venturi effect to the dive / diver conditions.
A specially designed front cover offers maximum protection to the
diaphragm and minimizes the side effect of strong currents. The second
stage comes from factory with adjustment knob and lever in the minus
position.
Venturi lever
This lever, located on the side of the second stage Housing, enables the
diver to control the inhalation Venturi effect. When on the + position, the
diver get maximum Venturi assistance upon initial inhalation, the air flow
is maintained without additional effort.
POLARIS
SINTHESIS
CRUISER OCTOPUS
35 - 48