NSF Product and Service Listings

These NSF Official Listings are current as of Thursday, July 3, 2025 at 12:15 a.m. Eastern Time. Please contact NSF to confirm the status of any Listing, report errors, or make suggestions.

Alert: NSF is concerned about fraudulent downloading and manipulation of website text. Always confirm this information by clicking on the below link for the most accurate information: http://info.nsf.org/Certified/PwsComponents/Listings.asp?Company=4H990&Standard=061&


NSF/ANSI/CAN 61
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. Products certified to NSF/ANSI/CAN 61 comply with the health effects criteria in NSF/ANSI/CAN 600.

 
Emerson Automation Solutions Final Control Netherlands BV 
Lage Mosten 37-47
4822 NK Breda 
The Netherlands 
31 76 543 4100


Facility : MAPLAST CZ s.r.o.

Mechanical Devices

    Water Water
    Contact Contact
Trade Designation Size Temp Material

Valves[1] [G]
CompoSeal CSW 40 - 300 mm CLD 23 MLTPL 

[1] Only products bearing the NSF Mark on the product, product packaging, and/or
    documentation shipped with the product are Certified.
[G] Product is Certified to NSF/ANSI/CAN 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.



Facility : Singapore

Mechanical Devices

    Water Water
    Contact Contact
Trade Designation Size Temp Material

Valves[1] [G]
Keystone F221 Wafer Style Resilient Seated Bi-Directional Butterfly Valve[2] [3] 50 mm - 500 mm CLD 23 MLTPL
Keystone F222 Lugged Style Resilient Seated Bi-Directional Butterfly Valve[2] [3] 50 mm - 500 mm CLD 23 MLTPL
Keystone F920 Lugged Style Resilient Seated Bi-Directional Butterfly Valve[4] 50 mm - 500 mm CLD 23 MLTPL
Keystone F990 Wafer Style Resilient Seated Bi-Directional Butterfly Valve[4] 50 mm - 500 mm CLD 23 MLTPL
Keystone Series GRF Double Flanged Resilient Seated Bi-Direction Butterfly Valve[2] 600 mm - 1800 mm CLD 23 MLTPL
Keystone Series GRL Lugged Style Resilient Seated Bi-Direction Butterfly Valve[2] 50 mm - 900 mm CLD 23 MLTPL
Keystone Series GRW Wafer Style Resilient Seated Bi-Direction Butterfly Valve[2] 50 mm - 900 mm CLD 23 MLTPL 

[1] Only products bearing the NSF Mark on the product, product packaging, and/or
    documentation shipped with the product are Certified.
[2] Only those models with a 316 stainless steel disc or nylon coated disc and EPDM seat are
    Certified.
[3] Certified for equivalent metric sizes.
[4] Only those models with a 316 stainless steel disc and EPDM seat are Certified.
[G] Product is Certified to NSF/ANSI/CAN 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.

Number of matching Manufacturers is 1
Number of matching Products is 8
Processing time was 0 seconds