Chinese standards for food additives gb27602015 china. Pressurerelieving and depressuring systems api standard 521 sixth edition, january 2014. Table of contents show below hide below 1 scope 2 normative references 3 terms, definitions, acronyms, and. This standard is applicable to pressurerelieving and vapor depressuring systems. Api std 521 2014 pressurerelieving and depressuring. In the meantime api std 521 has been technically revised as api std 521, 6th edition 2014. On december 24, 2014, the national health and family planning committee of china issued the national food safety standard for food additive use gb2760 2014, which will. Our more than 600 corporate members, from the largest major oil company to the smallest of independents, come from all segments of the industry.
The third edition was published as api 500a in april 1966. Special notes api publications necessarily address problems of a general nature. Recommended practice for classification of areas for electrical installations in petroleum refineries. Guide for pressurerelieving and depressuring systems. The purpose of this document is to bring it up to date, by referencing. Pdf on mar 19, 2018, anders andreasen and others published on the adequacy of api 521 reliefvalve sizing method for gasfilled pressure vessels exposed to fire find, read and cite all the.
Recommended practice 505, recommended practice for classification of locations for. Below is a list of standards in development by industry segment. Direct output or calculation and product data in pdf format. Skip to content show main menu navigation below close main menu navigation below. Api standards for refining the following publications are currently being worked on within the api committee on refinery equipment. Pressure safety valve psv sizing tutorial api 520521526. See a breakdown of standards in preballot, ballot, and editing.
Pdf api std 520 part ii antonio cesar ortega rodenas. Documents marked with an asterisk are expected to be published in 2014. Api publications necessarily address problems of a general nature. World malaria report 2014 no profiles world health organization. The american petroleum institute api is the only national trade association that represents all aspects of americas oil and natural gas industry. Recommended practice for classification of locations for. Api rp 1129 assurance of hazardous liquid pipeline system integrity api rp 1111 design, construction, operation, and maintenance of offshore hydrocarbon pipelines limit state design. Although intended for use primarily in oil refineries, it is also applicable to petrochemical facilities, gas plants, liquefied natural gas lng facilities, and oil and gas production facilities. The fourth edition was published in january 1982 as api 500a, with a new title. For determining relief loads, it may be assumed that manual or remotely operated valves. Api standard 521 guide for pressurerelieving and depressuring systems last update. Pressure relieving and depressuring systems, api standard 521, 6th edition, january 2014 4. Api recommended practice 941 steels for hydrogen service at elevated temperatures and pressures in petroleum refineries and petrochemical plants.