ASME A112.18.6 pdf download

ASME A112.18.6 pdf 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 withClause 4.3.
4.3 CoatingsCoatings shall be tested in accordance with and meet the requirements of Clause 5.2 ofASME A112.18.1/CSA B125.1.
4.4 Connections
4.4.1 General
Connections shall comply with the performance requirements of this Standard (see Clause 5) and, asapplicable, Clauses 4.4.2 to 4.4.7
4.4.2 Pipe threads
NPT or NPTF threads shall comply with the L1 gauge requirements of ASME B1.20.1 or ASME B1.20.3using a tolerance of t 1 turn. Other pipe threads shall comply with ASME B1.20.1.
4.4.3 Hose end threads
Hose end threads shall
a) be compatible with hose end threads that comply with ASME B1.20.7; ando1comply 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 valvethreads 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 orcopper tube fittings shall be as specified in ASME B16.18 or ASME B16.22. Flexible connectors forsoldering to the water distribution system shall not contain soldered assemblies.
4.4.6 Flare connections
Flare connections shall
albe compatible with flare connections that comply with ASME B16.26; and6)comply with the requirements of this Standard.
4.4.7 Compression connections
Compression connections shall
albe compatible with compression connections that comply with SAE J512; and
6comply 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 requirementsof 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
300 series stainless steel with a minimum wall thickness of 0.25 mm (0.010 in); ora1copper with a minimum wall thickness of 0.7 mm (0.026 in).b
4.6 Working pressure
Flexible connectors shall function at
a)supply pressures between 140 and 860 kPa (20 and 125 psi); andintermittent impulse pressures not exceeding 1240 kPa(180 psi).
4.7 Working temperature
Flexible connectors
intended for hot and cold water applications shall function at supply temperatures between 4 anda171°C (40 and 160°F) and shall withstand water at 85 C (185F) for 0.5 h without failure of thepressure envelope; orbintended only for cold water applications shall function at supply temperatures between 4 and43 “C (40 and 110 °) and shall withstand water at 52 C (125) for 0.5 h without failure of thepressure envelope.
5 Performance requirements and test methods
5.1 General
5.1.1
A specimen representing each combination of nominal diameter, connection type, and material shall betested.
5.1.2
Separate specimens shall be used for each test specified in this Standard.