Abstract： ASME B16.51:2018 pdf download.Copper and Copper Alloy Press-Connect Pressure Fittings. 3.2 Definitions This paragraph defines the terms used in this Standard. joining, press-connect: the act of joining a fitting or piping component to a tub...

ASME B16.51:2018 pdf download.Copper and Copper Alloy Press-Connect Pressure Fittings.

3.2 Definitions

This paragraph defines the terms used in this Standard.

joining, press-connect: the act of joining a fitting or piping component to a tube by use of a tool that mechanically compresses

the wall of the lining end over the tubing. encasing an elastomeric seal between the mating surfaces.

out-of-roundness: the maximum measured diameter minus the minimum measured diameter.

press-connect fitting: a type of piping component (e.g.. coupling, tee, elbow) used to connect tubing or other accessories by

mechanically compressing the wall of the littingend over the tube, using an elastomeric material to provide a seal between the

inside surface of the fitting and the outside surface of the tube.

4 SIZE

The size designations of the fittings shown in the tables of this Standard correspond to standard water tube sizes as shown in ASTM H88. The size designations of the threaded ends correspond to nominal pipe sizes as shown in ASME Bl.20.1.

Fittings shall be designated by the size ofthe openings in the sequence Illustrated in FIgure 3.1-1.

5 MARKING

Each fitting shall be permanently marked with the manufacturers name or trademark in accordance with MSS SP-25.

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