Name: Atomic B2 Regulator, DIN
Brand: Atomic
SKU: ATMB2SD
Price: 824.45 USD
Availability: InStock
Rating: 4.8 (19 reviews)

Ergonomically designed to be the world's most comfortable second stage, the B2 is the next generation of the highly acclaimed Atomic B1 regulator. The B1 regulators have received more accolades from...

Atomic B2

Atomic B2 Regulator, DIN

Atomic

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First & Second Stages

Explore the Atomic B2 Regulator, DIN. Balanced, adjustable, and cold-water rated. Titanium parts for reliability. Nitrox compatible. Shop now for easy breathing!

Ergonomically designed to be the world's most comfortable second stage, the B2 is the next generation of the highly acclaimed Atomic B1 regulator. The B1 regulators have received more accolades from the diving press and independent test reviews than any other regulator in history for both performance and ergonomics. The B2 shares the identical first and second stage design and performance as the T1, the most notable difference being the metal (titanium) used in the T1. The B2 matches the industry's only all-titanium second stage with a compact high performance first stage of chrome plated brass and type 316 stainless steel. The second stage is so light in your mouth it almost floats.  The B2 is a balanced flow-thru piston design using Atomics jet seat high flow stainless steel piston. Exclusive high-pressure piston seal system is self-lubricating for low friction and low maintenance. The Atomic jet seat system has no sharp edges that can damage the seat over time, like most competitors' first stages. Instead, Atomic employs a conical seat and blunt end piston. Atomics' valve seats are precision machined from an extremely strong aerospace specification seat material. This design combination is the most reliable seat system in the industry and enables the seat to go 2-years or 300 dives without service. Diving performance is superior at even low tank pressure. The B2 is also freeze protected with a factory sealed first stage that also prevents contamination such as silt and sand from entering the valve mechanism. The regulator is Nitrox ready for mixtures Up to 40% out-of-the-box. The first-Stage has 2 high-pressure (HP) 7/16" and 5 low-pressure (LP) 3/8" ports.  The B2 Series second stage is a balanced linear flow design for extremely easy breathing at all depths and dive conditions. The B2 Series second stage is built-to-last with a titanium demand valve body, lever and sealing orifice. The diaphragm is made from high quality silicone rubber. This pneumatically-balanced poppet second-stage has Atomics patented seat saving dynamic orifice which unlike most second-stage orifices is a floating valve design which reduces wear on the second-stage poppet seat when the regulator is not pressurized adding life to this important seal.  The B2 series second-stage regulator is equipped with Atomics patented automatic flow control (AFC). This unique diaphragm activated vain automatically controls the flow and venturi-effect of the second-stage for optimum breathing resistance at all depths. The second-stage does have a soft over molded rapid adjustment knob for rare special situations. If you have ever experience the pulling effect" of the regulator second-stage when you turn your head underwater, those days are gone with Atomics comfort swivel. Perhaps one of the most admired features of Atomic second stages is the patented comfort swivel which allows 30&#176; rotational movement without binding or kinking. The regulator comes equipped with a 3/8" threaded 32" (81.3cm) low-pressure hose. The regulator weighs 2.02 lbs. (916.26 g) and comes with an owner's manual.

As an instructor I only want the best quality for me and my students.  That is where Atomic B2 reg comes in.  I primarily use this reg for teaching and have it on my long hose for sidemount. It is easy to breath at deeper depths (100- 130 ft).  This reg can be used from the nice warm waters of the Florida Panhandle to the coldest quarries.

Best Quality

im really impress with this system the easy of breath combine   with the swivel make it very conformable for those long dives..

it is also very nice the option of custom colors, for the second stage.

breathing is effortless

Love it. Replaced my 15 year old M1 with this. Love atomic!

Super reg

Best reg I’ve owned.  I’ve owned 6.  Open your mouth and there’s the air.  Zero breathing resistance.  Swivel on side is awesome.

Best reg I’ve owned

while i love my B2 regulator and how easy it breaths. i have major worries with my 1st stages. i managed to get maybe 34 dives out imof it in SW before the 1st stage blow a o ring. got it fixed and made it another 62 dives before failing on day 2 of a 7 day liveaboard. 

after the 1st time o tried getting it set to atomic bmto be check by experts that have. thry would not take it back. so the local dive shop had to fix it.

2nd time they agreed something was wrong. but wont tell me what or give a eta. looks likr i be going to a scubopro set up as i just have no faith in their 1st stage

i always clean my rig after each dive trip, and if possiblr spray off my rig on liveaboards.

1st stage failed twice witnin 80plus dives

It took me a while to get used to the HP and LP ports with the unique cone shape, but i think there are benefits to that. I am 54" and found that this allows me to move my tank slightly higher and not hit my head, this way the tank isnt going mid thigh, which is important to me.  It is very easy to breath regardless of where i set the dial. On the surface it purges the air in a second flat, no waiting for all the air to purge before removing the reg. I use the mouthpiece that it came with and its a tad more difficult to get it set in my mouth, but no jaw fatigue whatsoever. Very light weight, and i think i will enjoy long dive more.

Smooth operating

i bought my regs, a Z2 and a B2 several years ago and diving in fresh water and an ocassion salt water dive they worked perfect, easy breath very dependable, several years ago I moved to the Philippines and in two years I completed over 500 dives, the Regs still work great and no problems except a few leaks on my Z2 1st stage and my B2 worked great, I had them service, the tech said he didn't know how they could work so good the inside of the 1st stage was very bad and the second stages the same, the salt water did its toll on them but he rebuilt them and they both work great again.  I love my Atomics and wouldn't dive with anything else  Best Regs on the market.

BEST REGULATOR YOU CAN BUY

It's could offer you very lightly bite it for breath.So you won't fell tired of your mouth.Light,beautiful!!!
I really like it.

Very very good Reg!

With second control valve open it free flows easily. Close to correct. Fast breather even if supporting two divers!

Great breather!

In short, I have done 1000's of dives and used dozens or high end and low end regs, some of the low end regs in my opinion out perform some of the high end ones,fuethermore the Atomics B2 is my favorite, I really wanted the T-3 but it was out of my budget window and yes the T-3 has a Titanium Exterior but the inside parts are still brass, Titanium and EANx is not compatible, in other words if you have the $$$ and want to be the most fasionable diver underwater by all means go with the T3

" BY FAR THE BEST REG USED"

This is a great regulator, breaths great at all depth(been down to 100) swivle works great, I had no trouble with it free flowing at all. Its light and felt no jaw fatigue of any kind and the mouth peice is very nice. I cant say one bad thing about this reg. Its the best reg Ive ever owend.

great reg.

I needed two high pressure for my transmitter and my gauges. The Atomic had two high pressure and five low pressure. Plenty for my octos,BC,and dry suit. Im completely satisfied with the 1st stage reg. Really nice REG.

This regulator has performed excellent at depths up to 300fsw.

It's an Atomic!

THE BEST EVER

This is by far the best reg I have used, light in the mouth and easy on air you really don't notice it's there at all. The swivel feature also means when you turn your head it doesn't tug at your jaw.
I've used many brands and styles of regulator and if you're willing to spend a little bit of extra money you won't be disappointed by this one!

Best Reg I've used

The Atomic B2 Regulator is sweet! It's light, breathes like you were relaxing at home, titanium makes care a breeze, warranty is lifetime and its service interval is 2 years or 300 dives!!! The swivel ball on the attachment to the second stage makes it feel like the reg isn't even there. Bubbles...what bubbles? The reg delivers your bubbles far off to the side. The optional extender is definitely not needed. The Atomic B2 Regulator is the most solid, comfortable reg I have ever used. 

Aloha!!!

A breath of fresh air...

This is my every-dive regulator,I love it.

Great regulator,easy breathing

Great swivel, No dry mouth, Very comfortable.

Best reg I ever owned!

I got this reg before my trip to Cozumel...It performed flawlessly.  You will forget you have it in your mouth.  The swivel on the second stage is awesome, it allows you full movement without pulling on the reg. Great buy

Atomic B2 Regulator, DIN

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