Emerald Sea Scuba
Nitrox Tank Inspection O-rings
Tired of paying high prices for Scuba Tank Neck O-rings? I was too, so went out and found a reliable source for genuine DuPont Viton® O-rings. Each of the o-rings listed below is made from virgin material and has been tested by an independent engineering laboratory to verify that they are the correct hardness. These o-rings have been tested to meet the ASTM specification for 90 durometers of hardness on the "A" scale, which is correct for the static o-rings used on scuba tanks.
Viton o-rings are typically used for Nitrox tanks or Oxygen Service.
 Size 214 Viton O-ring. (90 duro-Brown) These are the most common tank neck o-ring and are used in all aluminum cylinders and most modern steel cylinders using a 3/4" NPS thread. These o-rings are for Nitrox and oxygen compatible service. In Stock
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Size 116 Viton O-ring. (90 duro-black) These are the tank neck o-rings used in Genesis and older PST steel tanks with the "small" 7/8" UNF threads. These o-rings are for Nitrox and oxygen compatible service.
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These are the DIN O-rings that go between the tank valve and your regulator. These o-rings are for Nitrox and oxygen compatible service. In
Stock
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These are the DIN O-rings that go between the tank valve and your regulator. These o-rings are for compressed air service. In Stock
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These are the k-valve, yoke o-rings that go between the tank valve and your regulator. These o-rings are for Nitrox and oxygen compatible service. In
Stock
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These are the k-valve, yoke o-rings that go between the tank valve and your regulator. These o-rings are for compressed air service. In Stock
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We are currently shipping to Canada and the USA.
Emerald Sea Scuba, LLC
P.O. Box 5877
Lacey, WA 98509-5877
360-923-0889