ASME B16.26 pdf free download

ASME B16.26-2011 pdf free download.Cast Copper Alloy Fittings for Flared Copper Tubes.
ASME B16.26 establishes specifications for cast copper alloy fittings and nuts used with flared seamless copper tube conforming to ASTM B&I (water and general plumbing systems). Included are requirements for the following:
(a) pressure rating
(b) size
(c) marking
(d) material
(e) dimensions
(f) threading
(g) hydrostatic testing
2 GENERAL
2.1 References
Codes, standards, and specitica tions containing provisions to the extent referenced herein constitute requirements of this Standard. These reference documents are listed in Mandatory Appendix II.
22 ConventIon
For determining conformance with this Standard, the convention for fixing significant digits where limits (maximum and minimum values) are specified shall be as defined in ASTM E29. This requires that an observed or calculated value be rounded off to the nearest unit in the last right-hand digit used for expressing the limit. Decimal values and tolerances do not imply a particular method of measurement.
2.3 Relevant Units
This Standard states values in both SI (Metric) and U.S. Customary units. These systems of units are to he regarded separately as standard. Within the text, the US. Customary units are shown in parentheses or in separate tables that appear in Mandatory Appendix I. The values stated in each system are not exact equivalents; therefore, it is required that each system of units be used independently of the other. Combining values from the two systems constitutes nonconformance with the Standard.
2.4 Quality Systems
Requirements relating to the product manufacturer’s quality system programs are described in Nonmandatory Appendix II.
2.5 Service Conditions
Criteria 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 I 2() kl’a (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 B88.
5 MARKING
Each fitting shall be marked with the manufacturer’s 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 alloy produced to meet the following:
(a) the requirements of ASTM 1362 UNS alloy C83600 or
(b) the chemical and tensile requirements of ASTM B54 UNS alloy C83800 or CS4400 and in all other respects shall comply with the requirement of ASTM 1362
7 DIMENSIONS
7.1 FItting and Nut
The dimensions and tolerances of fittings and nuts shall be as shown in Table I (Table 1-i). Design of the sealing surfaces of the fitting and nut shall be at the discretion of the manufacturer.
7.2 Tube Flare
Dimensions relating to the flared end of the tube arc described in Noiirnandatorv Appendix A. SI units are shown in Table A-i, and U.S. Customary units are shown in Table A-2.ASME B16.26 pdf download.