Poseidon XStream Deep MK3

Product detail 

This is the regulator of choice for any demanding divers that dive with air or trimix with a maximum of 21% oxygen. 

Outstanding performance and certified to 200 meters!

The first stage has a built in over pressure valve.

An Xstream Deep regulator complete with a 70 cm / 27,5 inch hose and a second stage.

Approved to depth (m/f) 200/656 (gas dep.)

5 LP and 2 HP-ports

Low WOB - Servo assisted


IP (bar/psi): 8,5 / 123

Air: Yes

Trimix: Yes (max 21% oxygen)

Nitrox 50% No

Oxygen (99,95%): No

Working pressure 300bar: Yes

Built in anti freeze prot.: Yes

O-rings: Nitril/EPDM

US Navy tested: Yes

Oxygen Approved (EN738-1): No

NORSOK approved: Yes

EN250 approved (cold water): Yes

CE Cold water approved: Yes

2nd stage Xstream Deep Mk3

Color Black

Material ASA/TPU, Stainless steel, Brass

Weight (g/lb) 152/0.33

Volume (ml/cuin) 49,5/3.0

Valve technology Upstream

Flowrate (l/cuft per min) 2150/76

Oxygen cleaned No

Servo assisted valve Yes

Overpressure valve built in to the LP hose No

Dismountable w/o tools Yes

Push button on side Yes

Swiveling Yes

Non keyed (no up or down) Yes

Xstream Deep first stage

Color: Black

Technology: Roll diaphragm

Material: Brass

Valve technology: Spheric

Wheel mounted: Side

LP ports 3/8: 5

HP port 7/16: 2

Flow rate (l/min): 5500

O2 clean: No

DIN G5/8: Yes

EN144-3 compatible: No

Separate yoke: Accessory

Zytel HP seat: Yes

Built in overpressure valve: Yes

Anti-freeze protected: Yes

Poseidon Octopus Xstream MK3

Product description

Delivered with a 90 cm / 35,4 inch LP hose.

May only be used with a 1st stage that has a built in over pressure valve.

Hose connection to the 2nd stage: 9/16

Color Yellow

Material ASA/TPU, Stainless steel, Brass

Weight (g/lb) 152/0,33

Volume (ml) 49,5

Valve technology Upstream

Flowrate (l/cuft per min) 2150/76

Oxygen cleaned No

Hose length (cm/inch) 90/35,4

Swiveling Yes

Push button on side Yes

free Din to yoke adapter 

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