Hollis H-02 Piston - O2 - Din 1e Trap bij sublub
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Hollis H-02 Piston - O2 - Din 1e Trap

359,00 296,69 Excl. VAT
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Product description Hollis H-02 Piston - O2 - Din 1e Trap

H-O2 DIN First Stage

With the Bulletproof Design of the Hollis HP5 Non-Balanced Flow-By Piston First Stage the HO2 First Stage is Certified for up to 100% Oxygen Service thanks to Highly Specialized Component Materials and Manufacturing Processes. Cleaned and Assembled in a Clean Room Environment with Specially Designed Materials, Halocarbon Based Lubricants and Color-Coded for Easy Identification.

The Flow-By Piston Design is the only true Fail-Safe First Stage Design on the market. The Piston will automatically move Downstream from the High Pressure Air coming from the Scuba Cylinder if there is an unexpected malfunction of the High-Pressure Seat. This feature guarantees a constant Gas-Flow to the Second-Stage Regulator. The Regulator First Stage weighs 8.3 oz (235.3 g).

Details;
Bulletproof Hollis HP5 First Stage Design
Non-Balanced Flow-By Piston
Fail-Safe First Stage Design
300 BAR/4500 PSI DIN Connection
DIN Hand-Wheel Connector: Oxygen Green for Easy Identification for Oxygen-Use-Only
Material: Durable and Corrosion Resistant Marine-Grade Chrome Plated Brass
4 LP 3/8? Threaded Ports
1 HP 7/16? Threaded Port

Specifications for Hollis H-02 Piston - O2 - Din 1e Trap

BrandHollis
Category1st stages
Tags nostock
EAN Code20545202257
Product codeH240.3558
UnitPiece
CE cert for cold water

Regsets with a CE cold water certificate have been tested in waters below 10 degrees. When diving in NL/BE this comes in handy. In summer, the water on the surface may be warmer than 10 degrees, however, when decending to greater depths, you’ll hit various thermoclines in which the water temperature may be less than 10 degrees.

CE cert for cold waterYes
1st stage connection

The INT ( yoke) connection uses a clamp type to mount the regulator over the cylinder valve and is tightened into place by screwing the cap. This pushes the first stage into the sealing o-ring of the cylinder valve. With the DIN fitting the male part is screwed into the valve to securely capture the o-ring. We recommend the DIN connection, since this is a safer connection. This connection is mostly used for 300bar cylinders. However, the DIN300 bar connection also works with a 200bar tank valve

1st stage connectionDIN300 bar
1st stage HP port

A second high pressure port on a 1st stage is necesarry if you are contemplating to dive with a computer that is air integrated. The transmitter will be attached to the second high pressure port so that you will always have backup analogue SPG.

1st stage HP port1 HP port
1st stage LP port4 lp-ports
1st stage air supply

When you dive with an unbalanced 1st stage, breathing may become a little harder as your cylinder is being depleted of air. A balanced 1st stage will give you an even resistance during your dive, as long as your cylinder contains more than 20 Bar. An overbalanced 1st stage will give you a little more pressure when at depth, which will make breathing at greater depth easier. You will be able to feel the difference from a depth of 20 to 25 meters.

1st stage air supplyUnbalanced
1st stage type

A piston 1st stage is easier to service, since there are less parts. However, a piston 1st stage needs to be serviced earlier than other 1st stages, since the water does get inside the 1st stage. A membrane 1st stage may be less maintanace- sensitive, however, you’ll have to be more precise in adjusting it. If you would like to dive in cold(er) waters, we would recommend a 1st stage with a membrane.

1st stage typePiston

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9 Vlug en correct geleverd
Miem, Voerendaal 30-6-2026
8 Wel goeie opvolging , en correcte afhandeling .
Luc, Brugge 30-6-2026
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Rudi, Sassenheim 29-6-2026
10 Doen wat ze zeggen
Ronald, Oosterhout 28-6-2026
10 Ik vind het makkelijke webshop Ga zo door jullie doen goed
Arjen, Hensbroek 27-6-2026
10 Product besteld en afgehaald in de winkel. Goede communicatie over levering en afhalen. In de winkel had ik nog wat vragen waarmee ik heel uitgebreid geholpen werd. Ik zeg...
Willem, Ridderkek 25-6-2026
10 Besteld online smiddags en dag nadien , op 24uur geleverd
Filip, Mechelen 24-6-2026
10 Goede service en prijs
Johan, Oostende 23-6-2026
8 Algemeen positieve ervaring. 2 artikelen zijn in backorder wat kan gebeuren uiteraard. Echter verneem ik dit pas wanneer ik de verpakking open deed en het op de pakbon...
Levi, Arendonk 23-6-2026
10 Bedankt voor de goede nieuwe tweede zwembril op sterkte !
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