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.

GWF MessSysteme AG 
Obergrundstrasse 119
Luzern 6002 
41 41 319 5050
Visit this company's website

Facility : Luzern, Switzerland

Mechanical Devices

    Water Water
    Contact Contact
Trade Designation Size Temp Material

Water Meters[1] [2] [G]
MTK3 1 1/4" D. HOT MLTPL
MTK3coder MP 1 1/4" D. HOT MLTPL
MTK3coder MP[3] 2" D. HOT MLTPL
MTW3 1 1/4" D. HOT MLTPL
MTW3coder MP 1 1/4" D. HOT MLTPL
MTW3coder MP[3] 2" D. HOT MLTPL
SONICO® DN 125 250mm 5" D. HOT MLTPL
SONICO® DN100 (250mm, 350, 360, 370, 483mm) 4" D. HOT MLTPL
SONICO® DN150 (300mm, 500mm) 6" D. HOT MLTPL
SONICO® DN200 (350mm, 520mm) 8" D. HOT MLTPL
SONICO® DN250 450mm 10" D. HOT MLTPL
SONICO® DN300 500mm 12" D. HOT MLTPL
SONICO® DN50 (200mm, 270, 300mm) 2" D. HOT MLTPL
SONICO® DN65 (200mm, 300mm) 2.5" D. HOT MLTPL
SONICO® DN80 (200mm, 225, 300, 350, 370, 413mm) 3" D. HOT MLTPL
Single Jet Meter Unico 2[3] 3/4" - 1" D. HOT MLTPL
Unico2[3] 3/4" - 1" D. HOT MLTPL
Unico2coder MP[3] 3/4" - 1" D. HOT MLTPL

[1] Also Certified for equivalent metric sizes.
[2] Only products bearing the NSF Mark on the product, product packaging, and/or
    documentation shipped with the product are Certified.
[3] This product may be used in cold (73F/23C) applications.
[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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