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API STD 521: Guide for Pressure-relieving and Depressuring Systems – Edition 6

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682

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507

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CSA Z662:19 – Oil and gas pipeline systems

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1197

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CSA Z341 Series-18: Storage of hydrocarbons in underground formations

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878

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CSA B51:24 Boiler, Pressure Vessel, and Pressure Piping Code

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ISO 7020:2023

ISO 7020:2023 Sizing parameters of surgical valve prostheses: Requirements regarding the application of ISO 5840-2

CDN $124.00

Description

This document describes in vitro methods of measurement of the sizing parameters for surgical valves (referring to mechanical and stented bioprosthetic valves only here and hereafter). It represents a consensus reached among manufacturers, independent bioengineers and clinicians, and is underpinned by interlaboratory studies.

This document relates to surgical heart valve prostheses and is intended to be used in conjunction with ISO 58401:2021 and ISO 58402:2021. Where noted, the requirements of this document clarify certain requirements of ISO 58401 and/or ISO 58402. Specific methodologies are included for flexible leaflet (bioprosthetic) and rigid (mechanical) valves. Sutureless valves, stentless valves and valved conduits are not included.

Edition

1

Published Date

2023-05-17

Status

PUBLISHED

Pages

10

Language Detail Icon

English

Format Secure Icon

Secure PDF

Abstract

This document describes in vitro methods of measurement of the sizing parameters for surgical valves (referring to mechanical and stented bioprosthetic valves only here and hereafter). It represents a consensus reached among manufacturers, independent bioengineers and clinicians, and is underpinned by interlaboratory studies.

This document relates to surgical heart valve prostheses and is intended to be used in conjunction with ISO 5840-1:2021 and ISO 5840-2:2021. Where noted, the requirements of this document clarify certain requirements of ISO 5840-1 and/or ISO 5840-2. Specific methodologies are included for flexible leaflet (bioprosthetic) and rigid (mechanical) valves. Sutureless valves, stentless valves and valved conduits are not included.

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