API STD 5-G-3

STANDARD ON RING JOINTS FOR STEEL FLANGES AND FLANGE UNIONS

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Organization: API
Publication Date: 1 May 1945
Status: inactive
Page Count: 53
scope:

This standard is intended to cover API ring-joint dimensions for American Standard (ASA)1 steel flanges, (threaded with API standard line pipe threads2 or American Standard thread), other sizes of flanges as required, and rolled, and slip-on welding and welding neck flanges. These ring-joint dimensions are also to be used on steel flanged valves and fittings where connected to ring-joint flanges, or where ring joints are required in piping connections. If flanges of larger size than those covered herein are required, the flange diameters, thicknesses, drilling, and ring-joint dimensions shall be in accordance with ASA standards.

This standard also covers ring-joint flange unions for use with API tubular goods, (line pipe, casing, drill pipe, and tubing).

2-a. Nothing contained in this specification is to be construed as granting any right, by implication or otherwise, for manufacture, sale, or use in connection with any method, apparatus, or product covered by letters patent, nor as insuring anyone against liability for infringement of letters patent.

1 ASA Standards mentioned herein may be secured from the American Stanards Association, 70 West 45th St., NewYork 17, N. Y.

2 See API Std. 5-F: Threads in Fittings.

Document History

API STD 5-G-3
May 1, 1945
STANDARD ON RING JOINTS FOR STEEL FLANGES AND FLANGE UNIONS
This standard is intended to cover API ring-joint dimensions for American Standard (ASA)1 steel flanges, (threaded with API standard line pipe threads2 or American Standard thread), other sizes of...
April 1, 1940
RING JOINTS FOR STEEL FLANGES AND FLANGE UNIONS
This standard is intended to cover API ringjoint dimensions for American Standard (ASA)1 steel flanges, (threaded with API standard line pipe threads2 or American Standard thread), other sizes of...
September 1, 1937
RING JOINTS for STEEL FLANGES AND FLANGE UNIONS
This standard is intended to cover A. P. I ring joint dimensions for American Standard (A S A )* steel flanges, (threaded with A. P. I standard line pipe threads! or American Standard thread), other...
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