Abstract： ASME A112.4.14:2004 pdf download.Manually Operated,Quarter-Turn Shutoff Valves for Use in Plumbing Systems. Samples for testing to this Standard shall be randomly selected from a lot of production representative samples. 2.2 End Connections...

ASME A112.4.14:2004 pdf download.Manually Operated,Quarter-Turn Shutoff Valves for Use in Plumbing Systems.

Samples for testing to this Standard shall be randomly selected from a lot of production representative samples.

2.2 End Connections

2.2.1 Taper Pipe Threads. Metallic taper pipe threads shall be in accordance with ASME BI.20.l. Plastic taper pipe threads shall be in accordance with ASTM F 1498.

2.2.2 Solder Connections. Solder-cup ends for copper tube connection shall be in accordance with ANSI 1316.18 or

ASME B16.22.

2.2.3 Solvent Cement Connections. Socket ends for solvent-cement connection to PVC or CPVC pipe or tube shall be

in accordance with ASTM D2466 (PVC and CPVC). ASTM D2467 (PVC), ASTM D2846 and ASTM F439 (CPVC).

2.2.4 PEX Barbs Connection. Metallic barb-ends for connection to PEX tubing shall be in accordance with ASTM F1807. Plastic barb-ends for connection to PEX tubing shall be in accordance with ASTM F2159 or ASTM F1960.

2.2.5 Flared Connection. Flared connections to copper tube shall be in accordance with ASME 1316.26.

2.2.6 Grooved End. Grooved end connections shall be in accordance with AWWA C606.

2.2.7 Other Connections. Connection methods not specified herein shall be in accordance with a nationally or

internationally recognized standard.

2.3 Operation

The valve shall require /4 turn from the fully closed position to the fully opened position, or from the fully

opened position to the fully closed position. The valve shall be constructed so that the operator can visually

determine that the valve is in the opened or closed position. When the valve is in the closed position, the

operating lever or flow indicator shall be perpendicular to the longitudinal axis of the valve. The stem flats or indicator on the top of the stem shall indicate that the valve is in the opened or closed position when the

operating device has been removed.

3 MATERIALS

The following requirements pertain to materials used in valve body, bonnet, end pieces, pressure-containing parts, and wetted operating parts.

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