NSF Product and Service Listings

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Drinking Water System Components - Health Effects

NOTE: Unless otherwise indicated for Materials, Certification is only for the Water Contact Material shown in the Listing. Click here for a list of Abbreviations used in these Listings. Click here for the definitions of Water Contact Temperatures denoted in these Listings.

Industrial Molded Rubber Products 
20015 176th Street
Big Lake, MN 55309 
United States 
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Facility : Big Lake, MN

Mechanical Devices

    Water Water
    Contact Contact
Trade Designation Size Temp Material

Encapsulated Rubber Disc
9NS70-B[1] [2] 50 sq. in/L CLD 23 EPDM

[1] This product is evaluated as a component of a mechanical device and restricted to use in
    distribution system valves as a material to encapsulate the disc. The surface area to
    volume ratio cannot exceed the Listed size of 50 sq. in/L.
[2] Certified product has a durometer of 75 +/- 10.

[G] Product is Certified to NSF/ANSI 372 and conforms with the lead content requirements for
    “lead free” plumbing as defined by California, Vermont, Maryland, and Louisiana state
    laws and the U.S. Safe Drinking Water Act.


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