ASME B16.48:2015 pdf free download

ASME B16.48:2015 pdf free download
ASME B16.48:2015 pdf free download.Line Blanks
6.1 General
(a) Materials for line blanks shall be in accordance with ASME B16.5, Table 1A, and shall include material restrictions cited in notes to Tables 2 and II-2 of ASME B16.5. The blank and spacer portions of line blanks shall be manufactured as one piece in accordance with the applicable material specification. Assembly of multiple pieces into a blankorspacerportionbywelding orothermeans isnotpermitted bythis Standard. Attach- ment of the handle or web (tie bar) to a blank or spacer portion by welding or other means is permitted.
(b) Recommended bolting materials for flange-blank assemblies are listed in ASME B16.5, Table 1B.
(c) For materials manufactured to editions of the material specification other than those listed in Appendix III of ASME B16.5, refer to para. 6.2.
(d) Criteria for the selection of materials are not within the scope of this Standard.
6.2 Materials Manufactured to Other Editions
Materials may meetthe requirements ofmaterial spec- ification editions other than those listed in Appendix III of ASME B16.5, provided
(a) the materials are the same specification, grade, type, class, alloy, and heat-treated condition, as applicable
(b) the line blank manufacturer certifies that the requirements of the edition of the specification listed in Appendix III of ASME B16.5 have been met
7.2 Marking Method
The marking shall be applied by steel stamping or other marking device thatleaves a legible imprint. When marking on the blind portion of the blanks, low stress marking shall be used and shall not impinge on the gasket seating surface.
8.1 Paddle Handles
In order to differentiate between an installed paddle spacer and a paddle blank, it is required that there be an externally visible distinction between the two as required by paras. 8.2 and 8.3.
8.3 Paddle Spacer
Handles Handles forpaddle spacers shallhave a single through indicator hole located near the end of the handle. The hole diameter shall not be less than 12 mm ( 1 ⁄ 2 in.)