API 17D PDF
PRODUCTS. API Specification 17D – Introduction. This guide is not intended to inhibit a vendor from offering, or the purchaser from. This supplement covers changes to API Specification 17D (First Edition, API 17D pressure controlling components (such as valve bore. For API pixia-club.info - Download as PDF File .pdf), Text File .txt) or read online. Comparison 17D and 16A.
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Buy API 17D: DESIGN AND OPERATION OF SUBSEA PRODUCTION SYSTEMS - SUBSEA WELLHEAD AND TREE EQUIPMENT from. Printed Edition + PDF;; Immediate download; $; Add to Cart This edition of ANSI/API Specification 17D is the identical national. All information, documents, data and software supplied by us to you or you to us is confidential and supplied in confidence whether or not a contract comes into.
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As equipment with integral flanges came to the oilfield, standardization became necessary for functional interchangeability. ASA 4" lb.
The original flanges specified, retained the designation "6B". Most wellhead manufacturers make their 6B flanges full face. API assumed the ambient temperature working pressure for the lb. CLASS and assumed ambient temperatures for , , and psi flanges also. See the notes and cautions below the illustrations on the Flange Slide Rule Program pages on this web-site. In API introduced flanges rated at psi, and by these flanges were given new material specifications, a 10, psi working pressure, and the classification "SERIES" API Spec 17D, 1st edition, appeared in These flanges for subsea applications have dimensions to accept BX ring gaskets.
Spec 17D requires all flanges used for subsea applications to have ring grooves manufactured from, or inlayed with, corrosion resistant alloy. These Ring Gaskets have identical dimensions to those Ring Gaskets identified in API Spec 6A except they all have specially located drilled holes that allow the escape of any fluids water trapped behind the Ring Gasket as a result of Subsea connection make-up.
NOTE: The inclusion of Swivel Flanges intends to solve the problem of misaligning bolt holes in otherwise parallel flanges by allowing rotation of the Swivel Flange to bring the bolt holes into common alignment. Clamp Hubs, joined by clamps, have the freedom to rotate in any increment before the tightening of the Clamp to seal the connection.
When Swivel Flange Hubs have identical dimensions with Clamp Hubs, and sufficient neck length exists to push the Swivel Flange Ring back away from its Hub with sufficient room to fit a Clamp, then a Clamp will secure this seemingly unorthodox connection. This Clamp connection should work with the connections shown in the Table below.
The connection make-up force and external loads shall react primarily on the raised face of the flange. R type octagonal ring gaskets fit all current specification ring grooves, but operators must use care to avoid their use in "round bottom" ring grooves found in some older flanges.
R type combination ring gaskets have different designations on each side.
Combination ring gaskets allow the connection of flanges, with the same bolt circle measurement and number of bolt holes, that have different designated gaskets. Such connected flanges may or may not require specially dimensioned bolts. RX type ring gaskets have a non-symmetrical octagonal cross-section.
This non-symmetrical geometry provides an unbalanced contact with the flange ring groove resulting in coining and sealing on the O. The RX type ring gasket geometry provides a pressure-energized self sealing effect.
RX type ring gaskets increase the stand-off between flange faces and flange bolt length must accommodate this additional stand-off. These flanges have a long history and many flanges used in the past have been discontinued, or obsoleted and replaced by more modern configurations.
APPROVALS AND CERTIFICATES
Originally, all flanges related to pipe and became standard as weld neck, threaded and blind configurations. As equipment with integral flanges came to the oilfield, standardization became necessary for functional interchangeability. ASA 4" lb.
The original flanges specified, retained the designation "6B". Most wellhead manufacturers make their 6B flanges full face.
API assumed the ambient temperature working pressure for the lb.The part not turned by the wrench is prevented from turning 4. Figure 1.
API 17SS, 5000 PSI, Weld Neck Flange
This document is not applicable to the rework and repair of used equipment. Related titles. Tyrell Press, Ltd.