ASME A112.18.6:2017 pdf free download

ASME A112.18.6:2017 pdf free download.Flexible water connectors.
4.2.1
Copper alloy components shall contain at least 56% copper.
4.2.2
Stainless steel components in contact with water shall be made from 300 or 400 series stainless steel.
Ferrous steel parts not in contact with water shall be protected by a coating that complies with
Clause 4.3.
4.3 Coatings
Coatings shall be tested in accordance with and meet the requirements of Clause 5.2 of
ASME A112.18.1/C5A B125.1.
4.4 Connections
4.4.1 General
Connections shall comply with the performance requirements of this Standard (see Clause 5) and, as applicable, Clauses 4.4.2 to 4.4.7.
4.4.2 Pipe threads
NPT or NPTF threads shall comply with the Li gauge requirements of ASME 81.20.1 or ASME 81.20.3 using a tolerance of ± 1 turn. Other pipe threads shall comply with ASME 81.20.1.
4.4.3 Hose end threads
Hose end threads shall
a) be compatible with hose end threads that comply with ASME B1,20.7; and
b) comply with the requirements of this Standard.
4.4.4 Fill valve threads
Fill valve threads shall comply with ASSE 1002/ASME A112.1002/CSA B125.12, except that fill valve threads may be Class 2B.
4.4.5 Solder connections
The length and diameter of the joint section of a solder joint end for connection to copper tube or copper tube fittings shall be as specified in A5ME 16.18 or ASME B16.22. Flexible connectors for soldering to the water distribution system shall not contain soldered assemblies.
4.4.6 Flare connections
Flare connections shall
a) be compatible with flare connections that comply with ASME B16.26; and
b) comply with the requirements of this Standard.
4.4.7 Compression connections
Compression connections shall
a) be compatible with compression connections that comply with SAE 1512; and
b) comply with the requirements of this Standard,
4.4.8 Push-fit fittings
Connections achieved by push-fit fittings shall comply with ASSE 1061 and the applicable requirements of this Standard.
4.4.9 Alternate connections
Alternate connections shall meet the performance requirements of this Standard.
4.5 Water heater flexible connectors
Metallic water heater flexible connectors shall be made of
a) 300 series stainless steel with a minimum wall thickness of 0.25 mm (0.010 in); or
b) copper with a minimum wall thickness of 0.7 mm (0.026 in).
4.6 Working pressure
Flexible connectors shall function at
a) supply pressures between 140 and 860 kPa (20 and 125 psi); and
b) intermittent impulse pressures not exceeding 1240 kPa (180 psi).
4.7 Working temperature Flexible connectors
a) intended for hot and cold water applications shall function at supply temperatures between 4 and 71C (40 and 160°F) and shall withstand water at 85 °C (185°F) for 0.5 h without failure of the pressure envelope; or
b) intended only for cold water applications shall function at supply temperatures between 4 and 43 “C (40 and 110 “F) and shall withstand water at 52 “C (125°F) for 0.5 h without failure of the pressure envelope.