Poseidon XStream Deep MK3

Product description Poseidon XStream Deep MK3

Automatic translation Original description available here

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

second 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

Buy now your Poseidon XStream Deep MK3 for only 615.99 $. Made by Poseidon, Poseidon XStream Deep MK3 is available in a range of sizes and colours, and comes complete with everything you´ll need. At scubastore, we offer the best price of your favourite dive products. View our full range of Regulators set within our Regulators department.