Active standard | Published: 20/04/2026

ASME B16.51:2021

Copper and Copper Alloy Press-Connect Pressure Fittings

Available languages: English

Available design: electronic (protected pdf), Print design

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Detail information

Designation: ASME B16.51:2021

Publication date: 20/04/2026

Pages: 30

Country: American technical standard

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Anotation

This Standard establishes requirements for cast copper alloy, wrought copper, and wrought copper alloy press-connect pressure fittings for use with hard-drawn seamless copper water tube conforming to ASTM B88 for piping systems conveying water. The press-connect system (tube, fitting, and joint) conforming to this Standard is for use at a maximum pressure of 1 380 kPa (200 psi) over the temperature range from 0°C to 93°C (32°F to 200°F).This Standard provides requirements for fittings suitable for press-connect joining and covers the following:
(a) terminology
(b) size designations
(c) marking
(d) material
(e) dimensions and tolerances
(f) required installation instructions
(g) pressure-temperature ratings
(h) design qualification See more

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