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INTRODUCTION & SCOPE This Bulletin presents the results of analysis work done in PRAC 86-21 to establish the load capacity of all flanges given in the April 1986 Editions of API 6A and 6AB. A total of 69 different geometries were analyzed. The various loads considered were: Bolt...
This document provides guidance for the selection of materials and manufacturing processes for low-alloy steel bolting manufactured in accordance with API Specification 20E and nickel-based and stainless alloys manufactured in accordance with API Specification 20F. Table 2 and...
SUMMARY This report is a continuation to the report on the capabilities of flanges under combined loadings (PRAC 86-21)(1) which resulted in the publication of API Bulletin 6AF(1). Included herein is an in depth look into the effect of elevated temperatures on API flanges. The results...
SUMMARY This report documents the analysis work done at Stress Engineering Services to establish the load capacity of all threaded flanges given in the October, 1989 Edition of API 6A (Sixteenth Edition) that violate the maximum bore requirement. A total of 12 threaded flanges fit that...
This technical report presents the results of analysis work done in PRAC 86-21 to establish the load capacity of all flanges given in the April 1986 Editions of API 6A and API 6AB. A total of 69 different geometries were analyzed initially. The various loads considered were: -...
This standard describes a design analysis methodology and requirements that apply to design verification of certain pressure-containing products and equipment in the oil and natural gas industry. The methods included in this document apply to designs where normative reference to this standard is...
SUMMARY This report documents the analysis work done at Stress Engineering Services to establish the load capacity of all flanges given in the April, 1986 Editions of API 6A (Fifteenth Edition) and 6AB. A total of 69 different geometries were analyzed. This is less than the total number of...
1 Scope This report is a continuation to the report on the capabilities of flanges under combined loadings (PRAC 86-21) which resulted in the publication of API Bulletin 6AF. Included herein is an in-depth look into the effect of elevated temperatures on API flanges. The results in...
EXECUTIVE SUMMARY The evaluation of the load carrying capacity of all seventy API 6A, 16th edition integral flanges is the objective of this work. The applied loading includes the end tension and bending moment in addition to the conventional rated pressure and makeup forces. The effect of a...
The evaluation of the load carrying capacity of API 6A integral flanges is the objective of this work. The applied loading includes the end tension and bending moment in addition to the conventional rated pressure and makeup forces. The effect of a temperature difference corresponding to 250...
This standard specifies the requirements for corrosion-resistant bolted bonnet gate valves meeting the requirements of Standard Class, ASME B16.34 and having full port openings for use in process piping applications. This standard sets forth the requirements for the following gate valve...
1.2 Scope The procedures contained in this tutorial address the prevention of leaks or catastrophic loss caused by corrosion of the tank bottom or shell, brittle fracture, and excessive settlement. And, most importantly, they show how the API inspection and maintenance documents influence...
This standard covers ductile iron gate valves with flanged ends, in sizes NPS 1 ½ through 24, corresponding to nominal pipe sizes in ANSI B36.10. This standard covers valves in Classes 150 and 300, as specified in ANSI B16.42. The vales covered are the outside screw-and-yoke (OS&Y) type, with a...
This standard specifies minimum bolt end protrusions for general purpose assemblies of bolts, screws and similar fasteners with ISO metric screw thread in accordance with DIN 13-28, and with tapping screw thread in accordance with DIN EN ISO 1478. The bolt end protrusions...
This API standard specifies the requirements for a heavy-duty series of bolted bonnet steel globe valves for petroleum refinery and related applications where corrosion, erosion, and other service conditions would indicate a need for heavy wall sections and large stem diameters. This...
This standard specifies the requirements for a heavy-duty series of bolted bonnet steel gate valves for petroleum refinery and related applications where corrosion, erosion, and other service conditions would indicate a need for full port openings, heavy wall sections, and large stem...
This specification establishes the requirements for the manufacture and inspection of one type and class of bolt that shall be furnished in one grade only for use where temperatures will not exceed 1,200 °F.
This specification covers positive locking self-retaining bolts. Classification. Bolts will be of the following types and classes, as specified (see 6.2): Types: Type I Head end actuated. Type II Thread end actuated (solid shank). Classes: Class 1 CRES bolts, magnetic...
This standard covers flanged cast-iron gate valves in sizes NPS 2 through 24 correspnoding th nominal pipe sozes in ANSI B36.10. This standard covers valves in pressure Claases 125 and 250 in ANSI B16.1 The valve is the outside screw-and-yoke (OS&Y) type with rising stem, nonrising stem, nonrising...
Application This test procedure is used to evaluate out-of-plane and in-plane bolt pull out force on test panels or flat sections of parts. Originally intended for aeroshields or underbody shields and wheel arch/well liners.
