scope:

General

This Standard for cast iron threaded drainage fittings covers

(a) size and method of designating openings in reducing fittings

(b) marking

(c) materials

(d) dimensions and tolerances

(e) threading

(f) ribs

(g) coatings

(h) face bevel

Applicability

This Standard covers fittings intended for use in gravity drainage systems subject only to the gravity head of waste liquids at temperatures from ambient to approximately 212°F. The use of this Standard for pressurized waste handling systems is the responsibility of the user and is subject to the requirements of any applicable code.

Quality Systems

Requirements relating to the product manufacturers' quality system programs arc described in Annex A.

References

Standards and specifications adopted by reference in this Standard are shown in Annex I, which is part of this Standard.