NSF Product and Service Listings
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NSF/ANSI/CAN 61
Drinking Water System Components - Health Effects
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.
Hwaseung Chem | ![]() |
46-35, Sumogwon-ro | |
Osan-si, Gyeonggi-do | |
18126 | |
Korea, Republic of | |
82 31 668 0641 | |
Visit this company's website |
Facility : Gyeonggi-do, Republic of Korea
Joining and Sealing Materials
Water | Water | |||
Contact | Contact | |||
Trade Designation | Size | Temp | Material | |
Gasket/Sealing Materials |
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EWK370 | [1] | C. HOT | EPDM | |
[1] Certified for a maximum surface area to volume ratio of 7.0 square inches/L. |
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O-Rings |
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EWK370 | [1] | C. HOT | EPDM | |
[1] Certified for a maximum surface area to volume ratio of 7.0 square inches/L. |
Mechanical Plumbing Devices
Trade Designation | ||||
Gasket/Sealing Materials |
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EWK270[1] [2] [5] | ||||
NWK970[3] [4] [5] | ||||
[1] Certified for a maximum surface area to volume ratio of 2.0 sq. in./L. [2] Material type - EPDM [3] Certified for a maximum surface area to volume ratio of 0.5 sq. in./L. [4] Material type - NBR [5] This product does not require a Q statistic. It is made from material or materials that do not require lead analysis when reviewed per NSF/ANSI/CAN Standard 61, Section 3.3. |
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O-Rings |
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EWK270[1] [2] [5] | ||||
NWK970[3] [4] [5] | ||||
[1] Certified for a maximum surface area to volume ratio of 2.0 sq. in./L. [2] Material type - EPDM [3] Certified for a maximum surface area to volume ratio of 0.5 sq. in./L. [4] Material type - NBR [5] This product does not require a Q statistic. It is made from material or materials that do not require lead analysis when reviewed per NSF/ANSI/CAN Standard 61, Section 3.3. |
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