1、Date of Issue:March 2022 Affected Publication:API Specification 7HU2,Oilfield Hammer Unions,1st Edition,March 2022 Errata 1 Section 1.4,first sentence:“Figure 1 and Figure 2 are examples of hammer unions types within the scope of this standard.”Should read:“Figure 1 and Figure 2 are examples of hamm
2、er union types within the scope of this standard.”Table 1,“Standard”and“Sour”column:Change“Psi”to“psi”Section 5.4.2,second sentence:“The requirements in 5.3 shall be defined in the written material specification.”Should read:“The requirements in 5.4 shall be defined in the written material specifica
3、tion.”Table 4,“Elongation in 2 in.(50 mm)Min.”column:Add“%”below“Min.”Figure 3,footnote j:Change“3 FIG 1502”to“3”FIG 1502”Replace Figures 4,5,6,and 7:Figure 4Removable Male End Connector Style 1 Figure 5Removable Male End Connector Style 2 Figure 6Non-removable Male End Connector Style 1 Figure 7Non
4、-Removable Male End Connector Style 2 Table 11:Add inch symbol(”)to 1,1.5,4,2,and 3 in the“Size”column Figure A.2,Style 1 Anti-extrusion Ring:Add missing arrow to A1 Table A.2 and Table A.3:Change column headings:“Chamfer Anti-exterior Ring”to“Chamfer Anti-extrusion Ring”“Inside Diameter Anti-exterior Ring”to“Inside Diameter Anti-extrusion Ring”“Outside Diameter Anti-exterior Ring”to“Outside Diameter Anti-extrusion Ring”Figure A.5 title:Change to“Figure A.5Retainer Segment Rear Edge Break”