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About PDI
PDI is an Association of manufacturers of engineered
plumbing products in a business area commonly referred to by the mechanical side of the
construction industry as "the drain business". Our
members
and licensees make products such as: floor drains, roof drains, sanitary floor drains,
cleanouts, water hammer arresters, backwater valves, grease
interceptors, fixture supports, and other drainage specialties.
Our objective is to promote the advancement of Engineered Plumbing Products
through publicity, public relations, research, and standardization of product
requirements; as well as to prepare, edit, and publish
Standards relating to plumbing products, and to provide certified testing, rating, and
installation procedures for Grease Interceptors, Standard PDI-G101 and
PDI-G102, and Water Hammer Arresters, PDI-WH201. PDI through its staff
and members also participates in the development of drainage related
standards through ASME and the ASME A 112 Standards Committee and the
development of product standards at IAPMO, CSA, and ASSE. PDI and its
members are also active in the development of model plumbing codes, UPC, IPC
and NSPC.
PDI maintains testing equipment in independent testing
laboratories for the purpose of testing Water Hammer Arresters for compliance with
Standard PDI-WH201 and Grease Interceptors for compliance with Standard PDI-G101
and PDI-G102. Certified Products carry the Seal of the Plumbing & Drainage Institute as evidence
that the product has met the specified requirements of the Institute’s Standards.
Please feel free to contact us for more information.
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Of Special Interest...
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All our published material is available as a free
download from
this web site.
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