The National Association of Pipe Fabricators is pleased to announce that NSF International now serves as the independent third party inspector for the NAPF QualityPlus!™ Certification Program. No other organization offers NSF’s breadth and thoroughness of product certification experience. NSF makes periodic inspections of participating members’ facilities to assure complete and total compliance with ANSI/AWWA C115/A21.15 “Flanged Ductile Iron Pipe with Ductile or Gray Iron threaded Flanges” and AWWA C606 “Grooved Ductile Iron Pipe”. This inspection program assures engineers, specification writers and owners alike that fabricated piping bearing the NAPF/NSF certification label has been produced to conform to the highest industry standards.
Unlike in-house self-certifications, the NAPF’s association with an independent third party certification organization, such as NSF has many advantages. First, and foremost, is the knowledge that those participating NAPF member companies not only meet but must exceed the requirements set forth in the above referenced standards. Secondly, each member must also adhere to additional stringent requirements adopted by the NAPF Standards Council.
There is No Substitute for Quality!
The addition of NSF to the NAPF QualityPlus!™ Certification team is your guarantee of quality products. For additional information regarding the NAPF QualityPlus!™ Certification Program and other specification options, email NAPF Headquarters at [email protected] or any member. Thank you!
Commitment To Quality
Conforming To Standards
QualityPlus!™ Certification Program
By specifying ductile iron pipe provided by a NAPF fabricator, engineers and owners are assured of quality ductile iron products. While the NAPF does not guarantee the actual quality of products, it does assure that our members are committed to producing quality materials meeting all applicable standards and specifications.
- Fabricated Ductile Pipe Sample Specification*
- Flanged ductile iron pipe shall conform to the provisions of ANSI/AWWA C115/A21.15
- Grooved ductile iron pipe shall conform to the provisions of AWWA C606
- All ductile iron pipe shall be furnished with cement mortar lining in accordance with ANSI/AWWA C104/A21.4
- New Industry Standards
- NAPF 500-03
- Surface preparation standard for ductile iron pipe and fittings receiving special external coatings and/or special internal linings
“NAPF… setting the standard”™
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