Jul,08

API SPEC 16RCD pdf download

API SPEC 16RCD pdf download

API SPEC 16RCD pdf download Rotating Control Devices
4.3.2.4Other Elastomeric Materials
For nonmetallic materials not covered by 4.3.2.2,nonmetallic materials shall be designed to operate withinthe temperatures of the manufacturer’s written specifications.Manufacturers shall specify the operating fluidenvironment (liquid, gas, or multiphase) and compatibility for the seals.
4.3.3 Retained Fluid Ratings
Metallic materials that come in contact with well fluids shall meet the requirements of NACE MRO175/ISO 15156for sour service.
4.4Equipment-specific Design Requirements4.4.1Members Containing Wellbore Pressure
Pressure-containing parts or members shall be designed in conformance with APl16A.4.4.2Sealing Assembly Latching Mechanism
4.4.2.1Design Methods
The manufacturer shall document the load/capacity for the RCD clamp connector using the same format as usedfor APl flanges in APl 6AF2.The manufacturer shall state whether the limitation is in the stress level of the clampor the RCD hub.
NOTE This format relates pressure to allowable bending moment for various tensions.4.4.3 End and Outlet Connectors
End and outlet connectors below the packing elements shall be integral.4.4.4 Flanged End and Outlet Connectors
4.4.4.1General
Flanged end and outlet connectors shall conform to the dimensional requirements of API6A.
The RCD bottom connector pressure rating shall be equal to or greater than the static pressure rating of the RCD.The side outlet connector pressure rating shall be equal to or greater than the static pressure rating of the RCD.Type 6B and 6BX flange connectors may be used as integral connectors.
Type 6B and 6Bx flanges integral to RCDs shall not contain test connectors.
The manufacturer shall document the load/capacity for the flanged end and outlet connectors using the sameformat as used for APl flanges in API 6AF2.The manufacturer shall state which part of the connector containsthe stress limitations that form the basis for the graphs.Analytical design methods shall conform to 4.4.
NOTE This format consists of graphs that relate pressure to allowable bending moment for various tensions.
4.4.4.2Design
4.4.4.2.1 Flange Connectors
Type 6B and 6BX flange connectors shall be designed for use in the combination of APl size designation andpressure ratings in conformance with APl 6A. Dimensions for ring grooves shall conform to API 6A.Corrosionresistant overlays for ring grooves shall conform to APl 6A.
4.4.5Studded End and Outlet Connectors
The two types of studded end and outlet connectors (Types 6B and 6BX) in this specification shall conformto APl 6A. Types 6B and 6BX studded connectors may be used as integral connectors. Dimensions for ringgrooves shall conform to API 6A.Corrosion resistant overlays for ring grooves shall conform to API 6A.Studdedconnector thread form and minimum depth shall conform with APl 6A.
Design for studded end and outlet connectors shall conform with APl 6A.4.4.6 Hubbed End and Outlet Connectors
End and outlet hubs (16B and 16BX), if specified by the manufacturer, shall conform to the requirements ofAPI16A.
Clamps that shall be used in conjunction with end and outlet hubs (Types 16B and 16BX) if specified by themanufacturer shall conform to the requirements of APl16A.
4.4.7Other End Connectors
4.4.7.1General
This subsection provides requirements for other end connectors that may be used for joining RCDs and thatare not specified in an APl standard.OECs include flanges and hubs in conformance with APl 16A, but withproprietary gasket preparations. OECs may also conform with the manufacturer’s specifications.
4.4.7.2 Design
4.4.7.2.1 Design Methods
The manufacturer shall document the load/capacity for the OEC using the same format as used for APl flangesin APl 6AF2.The manufacturer shall state which part of the connector contains the stress limitations that formthe basis for the graphs.
NOTE This format relates pressure to allowable bending moment for various tensions.4.4.7.2.2 Size
OECs shall be designed with the same APl size designation shown in APl 16A.4.4.7.2.3 Bore Dimensions
The bore diameter shall conform to the minimum bore dimension shown in APl16A.4.4.7.3 Materials
OEC materials shall meet the requirements of Section 5.4.4.8 Blind Connectors
4.4.8.1 Flanges
Type 6B and Type 6BX blind flanges shall conform to the dimensional requirements of API6A.4.4.8.2 Hubs
Dimensions of Type 16B and Type 16BX blind hubs, if specified by the manufacturer,shall conform to therequirements of APl 16A.

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