Tribord 8334353 Manuel De L'utilisateur page 6

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3.2 Balanced first stage
It has a pivoting part with four low pressure ports (LP) (3/8" x 24 UNF)
distributing constant pressure of about 10 bar (inlet pressure to 230-300 bar).
The pivoting part allows easy connection of the low pressure hoses for each additional piece of
equipment.
It also has two high pressure ports (HP) with male connector (7/16" x 20 UNF) ensuring greater
safety.
You can connect a pressure gauge with a 7/16" male connector to these high pressure ports.
The regulator is certified with an INT adapter bracket (ISO-12209-1, max pressure 230 bar) or a
threaded DIN 230 connection (ISO-12209-2, max pressure 230 bar) or a DIN 300 connection (ISO-
12209-2, max pressure 300 bar) in accordance with EN 250: 2014.
DANGER: For safety reasons, the high pressure diving pressure gauge, digital or
analogue, that you attach to your first stage must be certified according to EN 250: 2014.
This standard stipulates that the maximum air flow admitted through the connector
screwed on the first stage is 100 litres per minute with a pressure up to 100 bar.
The use of a pressure gauge that does not comply with EN 250: 2014 or that does not
comply with the maximum power allowed can result in serious injury.
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1 - INT Bracket
2 - Pressure gauge - High pressure port (HP)
3 - Low Pressure Port (LP)
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4 - Low Pressure Port (LP)
5 - Low Pressure Port (LP)
6 - Low Pressure Port (LP)
1 - INT Bracket
2 - 1st stage body
3 - High Pressure Port (HP) x 2
4 - Low Pressure Port (LP) x 4