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B51-14 (R2019) – Boiler, pressure vessel, and pressure piping code

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API STD 641

API STD 641, 2nd Edition: Type Testing of Quarter-turn Valves for Fugitive Emissions

CDN $163.00

Type Testing of Quarter-turn Valves for Fugitive Emissions

SKU: 7ca66206f1bf Category:

Description

This standard specifies the requirements and acceptance criteria for fugitive emission type testing of quarter-turn valves. Valves larger than NPS 60 and valves greater than ASME B16.34 class 1500 are outside the scope of this standard. Valves with a pressure rating at ambient temperature less than 6.89 barg (100 psig) are outside the scope of this standard. For all valves rated greater than or equal to 400 °C (750 °F), an additional high temperature test may be performed in accordance with Annex C or when specified by the purchaser.

Edition

2

Published Date

2023-10-12

Status

Current

Pages

25

Language Detail Icon

English

Format Secure Icon

Secure PDF

Abstract

This standard specifies the requirements and acceptance criteria for fugitive emission type testing of quarter-turn valves. Valves larger than NPS 60 and valves greater than ASME B16.34 class 1500 are outside the scope of this standard. Valves with a pressure rating at ambient temperature less than 6.89 barg (100 psig) are outside the scope of this standard. For all valves rated greater than or equal to 400 °C (750 °F), an additional high temperature test may be performed in accordance with Annex C or when specified by the purchaser.

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