API 6FD PDF
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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The performance requirements of this document are intended to establish standard limits of acceptability regardless of size or pressure rating. If you need to be xpi to add standards to the monitoring service, you must register as a user with your own username and password. This document was produced under API 66fd procedures that ensure appropriate notification and participation in the developmental process and is designated as an API standard.
Empty the graduated downstream container Item With respect to particular circumstances, local, state, and federal laws and regulations should be reviewed.
Piping upstream of the test valve larger than one inch 25 mm nominal pipe size or one-haif of valve nominal size whichever is smaller must be enveloped in flame for a distance of at least six inches 6dd. Maintain this pressure during the burn and cool-down period. This product can only be purchased electronically by customers who have a web subscription agreement.
Hot Spot API 6FA/6FD and API 607 review
Normal delivery is days from shipping date. The maximum external leakage shall not be greater than the value shown below Ref. Other standards under the jurisdiction of 6ff committee include: Customan, 1 inch in. Establishes the requirement for testing and evaluating the pressure containing performance of API Spec 6A and 6D check valves when exposed to fire.
Nothing contained in any API publication is to be construed as granting any right, by implication or otherwise, for the manufacture, sale, or use of any method, apparatus, or product covered by letters patent. The burn period has been established on the basis that it represents the maximum time required to extinguish most fires.
Record the readings on the sight gauge Item 4 and the calibrated container Item For more information about such agreements, or product availability as hardcopy, please contact us by phone 67 83 87 00 or email salg standard. Verify that the test valve has unseated, by observation of steady flow through the vent valve, then close the vent valve.
Minimum height of enclosure shall be 6 inches mm above the top of the valve. Sales Tax — All U. Verify pressurization of the entire test valve body by briefly opening the body cavity 6d valve Item 15and observing flow. Such drops in indicated temperature s shall he noted in the test report.
This document establishes acceptable levels of leakage through the test valve and also external leakage after exposure to a fire for a 30 minute time period. Protection for test personnel shall be provided.
API Spec 6FD (R2013)
The factors used for conversion of English units to SI units are listed below: Subscription updates are sent by World Mail.
API 6FD – PDF Free Download
Flame temperature thermocouples Ref. Vessel for water 4. Neither should anything contained in the publication be construed as insuring anyone against liability for infringement of letters patent. A N P S 16 valve will qualify all larger sizes. These standards are not intended to obviate the need for applying sound engineering judgment regarding when and where these standards should be utilized.
SI equivalents have also been included in all tables.
API 6FD 止回阀耐火试验规范_图文_百度文库
The moment new editions of the standards you monitor are released, changes are made, or appendixes are published, you will be 6fc by email. It has been of great usefulness in minimizing fire hazards associated with petroleum processing. 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.
Impingement of water or steam from external leakage onto flame thermocouples or calorimeters can result in a substantial drop in the indicated temperature of the affected sensor seven if no actual drop in flame temperature has occurred. Record the reading on the calibrated sight gauge Item 4. Any manufacturer marking equipment or materials in conformance with the marking requirements of an API standard is solely responsible aoi complying with all the applicable requirements of that standard.
We share information about your activities on the site with our partners and Google partners: Pressure regulator and relief. Sometimes a one-time extension of up to two years will 6td added to this review cycle.
Momentary pressure losses are permissible, provided their cumulative recovery time is less than two minutes.
Test valve mounted 6ffd its normal operating position.
Larger Wafer Type Check Valves Records of the test upon which certifications are based shall be available for purchaser’s review on request.
Mail Orders — Payment 6ff check or money order in U. Safety and health information with respect to particular products or materials can be obtained from the employer, the manufacturer or supplier of that product or material, or the material safety data sheet.
Leakage rates are milliliters per inch of nominal valve size per minute milliliters per millimeter of nominal valve size per apuaverage over the duration of the particular test period.