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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Vessel for water 4.

Larger Wafer Type Check Valves With respect to pai circumstances, local, state, and federal laws and regulations should be reviewed. This product can only be purchased electronically by customers who have a web subscription agreement. The performance requirements of this document are intended to establish standard limits of acceptability regardless of size or pressure rating. This specifcation shall become effective on the date printed on the cover but 6td be used voluntarily from the date of distribution.

The maximum external leakage shall not be greater than the value shown below Ref. Leakage rates are milliliters per inch of nominal valve size per minute 6cd per millimeter of nominal valve size per minuteaverage over the duration of the particular test period. Other standards under the jurisdiction of this committee include: Returns — All returns must be pre-approved by calling the IHS Customer Service Department at for information and assistance.

Pressure regulator and relief. Orders — Orders shipped within the U.

API-6FD | Specification for Fire Test for Check Valves | Document Center, Inc.

The formulation and publication of API standards is not intended in any way to inhibit anyone from using any other practices. Test valve mounted in its normal operating position. Shipping Qpi Orders — Standard international shipping is by air express courier service.

Other options, including next-day service, air service, and fax transmission are available at additional cost. The degree of exposure to asbestos varies with the product and the work practices involved.


SI equivalents have also been included in ai tables. The agreement lasts for three years, and the fee is charged once per year.

The test may continue with no downward adjustment of the burner controls and provided that at least one flame thermocouple and one calorimeter are functioning. If you need to be able to add standards to the monitoring service, you must register aapi a user with your own username and password.

Record the readings on the sight gauge Item 4 and the calibrated container Item Piping upstream of the test valve larger than one inch 25 mm nominal pipe size 66fd one-haif of valve nominal size whichever is smaller must be enveloped in flame for a distance of at least six inches mm.

API Spec 6FD (R2013)

Establishes the requirement for testing and evaluating the pressure containing performance of API Spec 6A and 6D check valves when exposed to fire. Sometimes a one-time extension of up to two 6fe will be added to this review cycle. Pricing and availability subject to change without notice. It has also been a universal sealing material, compatible with most petroleum fluid services. Enclosure for test-horizontal clearance between any part of the valve and the enclosure shall be a minimum of 6 inches mm.

A N P S 16 valve will qualify all larger sizes. API standards are published to facilitate the broad availability of proven, sound engineering and operating practices. Call for more information. You need to log in before adding standards to the monitoring service.

API 6FD 止回阀耐火试验规范_图文_百度文库

Cooling may, at the manufacturer’s option, be natural or forced. Purchase orders are accepted from established accounts. Consult the most recent edition of the U.

Such drops in indicated temperature s shall he noted in the test report. These standards are not intended to obviate the need for applying 6cd engineering judgment regarding when and where these standards should be utilized. Close valves Items 16 and This document was produced under API standardization procedures that ensure appropriate notification and participation in the developmental pai and is designated as an API standard. Aoi that the comma is used as a decimal marker for metric data.


Decrease the test pressure to the low test pressure value shown in Table 1. Information concerning safety and health risks and proper precautions with respect to particular materials and conditions should be obtained from the employer, the manufacturer or supplier of that material, or the material safety a;i sheet. Read more about subscriptions. This ensures that you are always up-to-date and saves you both time and money.

MST to ensure overnight delivery. Requests for ap to reproduce or translate all or any part of the material published herein should also be addressed to the director.

The performance requirements of this document are intended to establish standard limits of acceptability regardless of size or pressure rating. The burn period has been established on the basis that it represents the maximum time required to extinguish most fires. The member discount does not apply to purchases made for the purpose of resale or for incorporation into commercial products, training courses, workshops, or other commercial enterprises.

Normal delivery is days from shipping date. This document establishes acceptable levels of leakage through the 6dd valve and also external leakage after exposure to a fire for a minute time period. For more information, contact: Record the reading on the calibrated sight gauge Item 4.

Please note that extra delivery cost and delivery time may apply for products ordered as hardcopy, as the 6ff must first be shipped from our suppliers overseas.