Plumbing & Drainage Institute

The Plumbing & Drainage Institute (PDI) is an association of American manufacturers of engineered plumbing drainage specialty products. Such products include floor drains, roof drains, sanitary floor drains, cleanouts, water hammer arresters, swimming pool drains, backwater valves, grease interceptors, fixture supports, and other drainage specialties.^[1] It is located in North Andover, Massachusetts.^[2]

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Purpose

The Institute's objective is to promote the advancement of Engineered Plumbing Products through research and standardization of product requirements; to prepare, edit, and publish standards relating to plumbing products; and to provide certified testing, rating, and installation procedures for grease interceptors and water hammer arresters, in Standards PDI-G101 and PDI-WH201, respectively.^[1]

Activities

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. 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.^[1] ^[3] PDI assists with the development of National Standards through the ASME Committee of the American Society of Mechanical Engineers. This assistance is provided by members of the PDI Engineering Committee and by other PDI affiliates. PDI has been active on Panels 6, 14, 21, and 26, of the A-112 Committee for a number of years and its Executive Director sits on the A-112 Main Committee. This is the consensus group for ANSI (American National Standards Institute).^[1]

References

^ ^a ^b ^c ^d " William Whitehead (May 6, 2004). "Special PDI Supplement: A Closer Look at the Plumbing and Drainage Institute" (magazine). PM Engineer. Retrieved 2007-09-05.
^ "Contact Us". Plumbing & Drainage Institute. Retrieved March 2, 2016.
^ Peter, John. "Maidstone". Retrieved 13 February 2022.

External links

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Fundamental concepts	Air gap (plumbing) Backflow Compatibility (chemical) Corrosion Drain (plumbing) Drinking water Fuel gas Friction loss Grade (slope) Greywater Heat trap Hydrostatic loop Leak Neutral axis Onsite sewage facility Pressure Sanitary sewer Sewer gas Sewage Sewerage Siphon Storm sewer Stormwater Surface tension Tap water Thermal expansion Thermal insulation Thermosiphon Trap (plumbing) Venturi effect Wastewater Water hammer Water supply network Water table Well
Technology	Brazing British Standard Pipe (BSP) Cast iron pipe Chemical drain cleaners Compression fitting Copper tubing Crimp (joining) Drain-waste-vent system Ductile iron pipe Flare fitting Garden Hose Thread (GHT) Gasket Hydronics Leak detection National Pipe Thread (NPT) Nominal Pipe Size (NPS) O-ring Oakum Pipe (fluid conveyance) Pipe dope Pipe support Plastic pipework Push-to-pull compression fittings Putty Sealant Sewage pumping Soldering Solvent welding Swaging Thread seal tape Threaded pipe Tube bending Water heat recycling
Components	Atmospheric vacuum breaker Automatic bleeding valve Automatic faucet Backflow prevention device Ball valve Bleed screw Booster pump Butterfly valve Check valve Chemigation valve Chopper pump Circulator pump Cistern Closet flange Concentric reducer Condensate pump Coupling (piping) Diaphragm valve Dielectric union Double check valve Eccentric reducer Expansion tank Faucet aerator Float switch Float valve Floor drain Flow limiter Flushing trough Flushometer Gate valve Globe valve Grease trap Grinder pump Hose coupling Manifold Needle valve Nipple (plumbing) Pinch valve Piping and plumbing fitting Plug (sanitation) Pressure regulator Pressure vacuum breaker Pressure-balanced valve Pump Radiator (heating) Reduced pressure zone device Reducer Relief valve Riser clamp Rooftop water tower Safety valve Sewage pump Street elbow Submersible pump Tap (valve) Thermostatic mixing valve Trench drain Vacuum breaker Vacuum ejector Valve Water tank Zone valve
Plumbing fixtures	Accessible bathtub Bathtub Bidet Dehumidifier Dishwasher Drinking fountain Electric water boiler Evaporative cooler Flush toilet Garbage disposal unit Hot water storage tank Humidifier Icemaker Instant hot water dispenser Laundry tub Shower Sink Storage water heater Sump pump Tankless water heater Urinal Washing machine Washlet Water dispenser Water filter Water heater Water softener
Specialized tools	Basin wrench Blowtorch Borescope Core drill Drain cleaner Driving cap Flare-nut wrench Pipecutter Pipe wrench Plumber's snake Plumber wrench Plunger Strap wrench Tap and die
Measurement and control	Control valve Flow sensor Pressure sensor Water detector Water metering
Professions, trades, and services	Hydronic balancing Hydrostatic testing Leak detection Mechanical, electrical, and plumbing Pipe marking Pipefitter Pipelayer Plumber
Industry organizations and standards	International Association of Plumbing and Mechanical Officials (IAPMO) NSF International Plumbing & Drainage Institute (PDI) Uniform Plumbing Code (UPC) World Plumbing Council (WPC)
Health and safety	Plumbing code Scalding Waterborne diseases
See also	Fire sprinkler system Piping Template:HVAC Template:Public health Template:Sewerage Template:Toilets Template:Wastewater

This page was last edited on 6 February 2024, at 10:07

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