Abstract： ASME B16.26:2011 pdf download.Cast Copper Alloy Fittings for Flared Copper Tubes. 2.5 Service Conditions Critena for selection of materials suitable for particular fluid service are not within the scope of this Standard. 3 PRESSURE RATING T...

ASME B16.26:2011 pdf download.Cast Copper Alloy Fittings for Flared Copper Tubes.

2.5 Service Conditions

Critena for selection of materials suitable for particular fluid service are not within the scope of this Standard.

3 PRESSURE RATING

The fittings covered by this Standard are designed for a maximum cold-water service pressure of 1 2(1 kPa (175 psig).

4 SIZE

The sizes of the fittings shown in Table I (Table 1.1) correspond to standard water tube size as defined in ASTM 1188.

5 MARKING

Each fitting shall be marked with the manufacturers name or trademark and other applicable markings as required by MSS SP-25.

Marking of fittings less than nominal size 4 is optional.

6 MATERIAL

Castings shall be copper alk’v produced to meet the following:

(a) the requirements of ASTM B62 UNS alloy C83O or

(b) the chemical and tensile requirements of ASTM BSH4 UNS alloy C83800 or Ctt4400 and in all other respects shall comply with the requirement of ASIM 1362

7 DIMENSIONS

7.1 Fitting and Nut

The dimensions and tolerances of fittings and nuts shall be as shown in Table I (Table I-I). Design of the sealing surfaces of the lilting and nut shall be at the discretion of the manufacturer.

7.2 Tube Flare

Dimensions relating to the flared end of the tube are described in Nonmandatory Appendix A. SI units are shown in Table A-i. and

US. Customary units are shown in Table A-2.

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