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.

ST&H Corporation 
74 Jwadongsunhwan-Ro
Haeundaegu, Busan 612-852 
Korea, Republic of 
82 51 744 4680
Visit this company's website

Facility : Gyeongsangnam-do, Korea

Mechanical Devices

    Water Water
    Contact Contact
Trade Designation Size Temp Material

Valves[1] [2] [G]
(STC) - Butterfly Valve 2" - 24" CLD 23 MLTPL
(STC-SR) - Butterfly Valve 2" - 24" CLD 23 MLTPL
(STHL) - High Performance Butterfly Valve 2" - 24" CLD 23 MLTPL
(STL) - Butterfly Valve 2" - 24" CLD 23 MLTPL
(STL-SR) - Butterfly Valve 2" - 24" CLD 23 MLTPL

[1] Available disc types for all models are Stainless Steel, Aluminum Bronze, and Nylon 11
    coated ductile iron.
[2] STC is Wafer type / boot seat, STC-SR is Wafer type / Cartridge Seat, STL is Lug
    type/boot seat, and STL-SR is Lug type/Cartridge seat. Wafer type and Lug type refer to
    a flange type. SR and non-SR refer to a connection type between Body and Seat parts.
[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.


NOTE: Only products bearing the NSF Mark are Certified.

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