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ASME A112.18.1

2018 Edition, 2018

Complete Document

Plumbing supply fittings

Includes all amendments and changes through Errata , October 2018

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Product Details:

  • Revision: 2018 Edition, 2018
  • Published Date: October 2018
  • Status: Active, Most Current
  • Document Language: English
  • Published By: ASME International (ASME)
  • Page Count: 95
  • ANSI Approved: No
  • DoD Adopted: No

Description / Abstract:

This Standard covers plumbing supply fittings and accessories located between the supply stop and the terminal fitting, inclusive, as follows:

a) automatic compensating valves for individual wall-mounted showering systems;

b) bath and shower supply fittings;

c) bidet supply fittings;

d) clothes washer supply fittings;

e) commercial pre-rinse spray valves;

f) drinking fountain supply fittings;

g) humidifier supply stops;

h) kitchen, sink, and lavatory supply fittings;

i) laundry tub supply fittings;

j) lawn and sediment faucets;

k) low-pressure water dispensers;

l) metering and self-closing supply fittings;

m) showerheads, hand-held showers, and body sprays; and

n) supply stops.

This Standard does not cover

a) plumbing waste fittings, which are covered by ASME A112.18.2/CSA B125.2;

b) other devices (e.g., temperature-actuated in-line mixing valves), which are covered by CSA B125.3 or other plumbing product Standards; and

c) flexible water connectors under continuous pressure, which are covered by ASME A112.18.6/CSA B125.6.

Except for push-fit fittings, this Standard does not cover pipes and tubes or pipe and tube fittings.

In this Standard, “shall” is used to express a requirement, i.e., a provision that the user is obliged to satisfy in order to comply with the standard; “should” is used to express a recommendation or that which is advised but not required; “may” is used to express an option or that which is permissible within the limits of the standard; and “can” is used to express possibility or capability.

Notes accompanying clauses do not include requirements or alternative requirements; the purpose of a note accompanying a clause is to separate from the text explanatory or informative material.

Notes to tables and figures are considered part of the table or figure and may be written as requirements.

Annexes are designated normative (mandatory) or informative (non-mandatory) to define their application.

SI units are the units of record in Canada. In this Standard, the inch/pound units are shown in parentheses.

The values stated in each measurement system are equivalent in application; however, each system is to be used independently. Combining values from the two measurement systems can result in nonconformance with this Standard.

All references to gallons are to U.S. gallons.

For information on the conversion criteria used in this Standard, see Annex A.