API 6FD – Specification for Fire Test for Check Valves – Descripción: API 6FD – Specification for Fire Test for Check Valves – API turn 1/4 week valve and non-metallic valve seat valve fire test. Fire Test for Quarter-Turn Valves and Valves Equipped with Nonmetallic seats. Specification for Fire Test for Check Valves API SPECIFICATION 6FD FIRST EDITION, FEBRUARY REAFFIRMED: SEPTEMBER
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Hot Spot API 6FA/6FD and API review
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API 6FD 止回阀耐火试验规范_图文_百度文库
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Subscription – always available and updated A web subscription provides an easy and secure access to standards, and you are guaranteed to always have the latest edition.
The benefits of a subscription: Establishes the requirement for testing and evaluating the pressure containing performance of API Spec 6A and 6D check valves when exposed to fire.
The performance requirements of this document are intended to establish standard limits of acceptability regardless of size or pressure rating.
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This document establishes acceptable levels of leakage through the test valve and also external leakage 6vd exposure to a fire for a 30 minute time period. The burn period has been established on the basis that it represents the maximum time required to extinguish most fires. Fires of greater duration are considered to be of a major magnitude with consequences greater than those anticipated in this test.