API 16C:2009 pdf download

API 16C:2009 pdf download.Choke and Kill Equipment.
4.3.4 Experimental Stress Analysis
Experimental stress analysis shall be performed in accordance with ASME BPVC, Section VIII, Division 2, Appendix 6, 2004 Edition.
4.3.5 Flanged, Studded, and Hub End and Outlet Connections
4.3.5.1 Design of flanged, studded, and hub end outlet connections shall be in accordance with API 6A and API
16A. Design of other end connectors (QECs) used on API 16C equipment shall meet all the applicable design requirements of API 6A.
4.3.5.2 End and outlet connections shall be manufactured in accordance with the applicable requirements of API 6A and API 16A.
4.4 Performance Requirements
4.4.1 General
Performance requirements are specific and unique to the product in the as shipped condition. Products shall be designed to perform according to the requirements of this section and in the pressure, temperature ranges, test fluids, and in accordance with Section 5.
4.4.2 Pressure Integrity
Products shall be capable of withstanding rated working pressure at rated temperature without deformation to the extent that any other performance requirement is not met.
4.4.3 Thermal Integrity
Products and/or systems shall be capable of functioning throughout the temperature range for which they are rated.
4.4.4 Leakage
No visible leakage is allowed.
4.4.5 Load Capability
Products shall be capable of sustaining rated loads without deformation to the extent that any other performance requirement is not met.
4.4.6 Cycles
Products shall be capable of performing and operating as intended for the number of operating cycles specified in
Section 10 for applicable products.
4.4.7 Operating Force or Torque
The force or torque required to operate products shall be within the manufacturer’s written specification, which includes acceptance criteria.
4.5 Design Validation
4.5.1 General
Design validation shall be performed in accordance with Annex B. The validation testing specified in this section is intended to be performed on prototypes or samples representative of production models.
A design change that affects the perfom’iance of the product in the intended service condition requires design
validation. This may include changes in fit, form, function, or material.
4.6 Bore Size and Rated Working Pressure
The bore size and rated working pressure designation of a choke and kill system and the components shall consist of the values provided in Table 2, Table 3, and Table 4.
4.7 Closure Bolting
The maximum tensile stress for closure bolting shall be determined considering:
— initial make-up torque;
— operating conditions including pressure loads, external mechanical loads, and thermal stress; and
— hydrostatic proof test pressure conditions.
Bolt stresses, based on the minimum cross-sectional area of the bolt, shall not exceed the following limits:
Sa = O.83SandSb I.OS,,
where
Sa is the maximum allowable tensile stress;
S,, is the bolting material specified minimum yield strength;
Sb is the maximum allowable tensile membrane plus bending stress.
4.8 Clamps
Clamps for API I6BX hubs shall conform to API 16A. Other hubs and clamps shall conform to the manufacturer’s written specifications.
4.9 Test, Vent, Pipe Plugs, and Gauge Connections
Test, vent, pipe plugs and gauge connections for use on 2000 psi (13.8 MPa), 3000 psi (20.7 MPa), 5000 psi (34.5 MPa), 10,000 psi (69.0 MPa), 15,000 psi (103.5 MPa), and 20,000 psi (138.0 MPa) equipment shall be in accordance with API 6A, as applicable. Vent connections shall be in accordance with the manufacturer’s written specification.
4.10 Design Documentation
4.10.1 General
Documentation of designs shall include methods, assumptions, calculations, and design requirements. Design documentation media shall be clear, legible, reproducible, and retrievable.
4.10.2 Design Review
Design documentation shall be reviewed and verified by qualified personnel other than those who created the original design. Design changes shall be reviewed in the same manner as the original design.