1 Scope
1.1 Scope
1.1.1 This Standard covers the following applications:
- potable water
- water and antifreeze solutions for heating and cooling
- condensing water
- condensate
- rainwater / gray water
- fire sprinkler
- other compatible non-refrigerant, liquids
- low pressure steam
- vacuum
- compressed air
- other compatible non-refrigerant, nonflammable gases
- fuel gas
- combustible liquids including fuel oil
1.1.2 This Standard covers press connections made with:
(a) copper or copper alloy fittings and Type K, L, and M copper tube;
(b) carbon steel fittings and Schedule 10 and 40 carbon steel pipe;
(c) stainless steel fittings and Schedule 5, 10, and 40 stainless steel pipe; or
(d) stainless steel fittings and stainless-steel pipe complying with the dimensions specified in
Table 1.
1.1.3 This Standard specifies requirements for materials, physical characteristics, performance testing,
and markings.
1.1.4 Products covered by this standard include fittings, tube, and pipe with press connection ends
combined with other types of connections (e.g., threaded, soldered, and push-fit).
1.1.5 Carbon steel fittings and pipe covered by this standard are not intended to be used in potable
water supply systems.
1.1.6 For fire sprinkler applications, fittings shall comply with requirements of UL 213, or FM 1920. For
fuel gas applications, fittings shall comply with the requirements of CSA ANSI LC 4. For
combustible liquid applications, fittings shall comply with requirements of UL 180.