Abstract： ASME B16.48:2020 pdf download.Line Blanks. 7 MARKING 7.1 General (a) Line blanks shall be marked as follows: (1) manufacturer’s name or trademark (2) material, specification, and grade or dass (3) pressure class (4) B16 (5) sIze (NPS) (6)...

ASME B16.48:2020 pdf download.Line Blanks.

7 MARKING

7.1 General

(a) Line blanks shall be marked as follows:

(1) manufacturer’s name or trademark

(2) material, specification, and grade or dass

(3) pressure class

(4) B16

(5) sIze (NPS)

(6) ring number (If applicable)

(b) Where space does not permit all olthe above markings, they may be omitted in the reverse order given in (a).

(c) The 816 designation may be applied only when the line blank has been manufactured in lull conformance with this Standard.

7.2 Marking Method

The marking shall be applied by steel stamping or other marking device that leaves 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 PADDLE BLANK AND SPACER IDENTIFICATION

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.

8.2 PaddLe Blank HandLes

handles for paddle blanks shall be solid with no open.

8.3 PaddLe Spacer HandLes

Handles for paddle spacers shall have a single through indicator hole located near the end of the handle. The hole diameter shall

not be less than 12 mm.

9 TESTING

Line blanks are not requered to be pressure tested.

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