NSF 61-Certified O-Rings

The NSF (National Sanitation Foundation) ensures the safety of products involved in the treatment and distribution of water. NSF 61 (also referred to as NSF/ANSI Standard 61) restricts certain substances from breaching into drinking water at any point in the production process.

What does it mean to have a NSF 61-Certified o-ring? Specific rubber compounds have been tested by an independent laboratory and approved to be used in the process of water transmission and treatment. This means that o-rings listed as NSF 61 are not made with any of the NSF’s forbidden contaminants.

NSF 61 O-Ring Compounds

At Global O-Ring and Seal, we offer NSF 61-Certified compounds in EPDM, Silicone, Nitrile, and Viton® materials which are approved for such use. If you require more information, please give us a call at 832-448-5550 or fill out the Product Inquiry form to receive a quote or more information. Below is a listing of our rubber compounds certified to NSF 61 standards.


Compounds
Material
Durometer
NSF 61
FDA Grade
UL 157-Listed
Color
E60BK15 EPDM 60 Yes Yes

Black

E70BK21 EPDM 70 Yes Yes Yes

Black

E80BK16 EPDM 80 Yes

Black

V75BN15 Viton 75 Yes Yes

Brown

N70BK24 Buna-N 70 Yes Yes Yes

Black

N90BK15 Buna-N 90 Yes Yes

Black

S60GY15 Silicone 60 Yes Yes

Gray

S70RD15 Silicone 70 Yes Yes

Red

S70BK15 Silicone 70 Yes Yes

Black

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