Specification for Wellhead and Tree Equipment-مشخصات تجهیزات سرچاهی API 6A

Contents
Scope
Normative References
Terms, Definitions, Abbreviated Terms, and Symbols
Terms and Definitions
Abbreviated Terms
Symbols
Application and Performance
Applicability
Performance Requirements—General
Service Conditions
Pressure Ratings
Temperature Ratings
Material Classes
Product Specification Level
Design
Design Methods
End and Outlet Connectors
Hangers, Back-pressure Valves, Lock Screws, and Stems
Bodies, Bonnets, and Other End Connectors
Other Parts
Equipment-specific Requirements
Design Tolerances
Design Documentation
Design Review and Verification
Design Validation
Materials
General
Written Specifications
Applicability
Metallic Requirements
Nonmetallic Requirements
Bodies, Bonnets, and End and Outlet Connectors
Materials
Material Qualification Testing
Processing
Heat-treating
Chemical Composition
Qualification Test Coupons
General
Equivalent Round
Processing
Material Qualification
Production Heat-treating Equipment
General
Instrument Accuracy
Instrument Calibration
Production Type Equipment—Batch-type Furnaces
Production Type Equipment–Continuous-type Furnaces
Welding
General
Nonpressure-containing Welds Other Than Weld Overlays
Welding Procedure/Performance
Application
Pressure-containing Fabrication Welds
General
Joint Design
Materials
Welding Procedure Qualifications
Welder Performance Qualification
Welding Requirements
Post-weld Heat-treatment
Welding Controls
Pressure-containing Repair Welds
General
Welding Procedure Qualifications
Weld Repair of Castings
Bolt Hole, Tapped Hole, and Machined Blind Hole Repair
Weld Overlay
Corrosion-resistant Overlay (Including Ring Grooves)
Weld Overlay for Other Than Corrosion Resistance
Repair of Weld Overlays
Bolting
Closure Bolting
Tensile Stress
Quality
Studded Outlet Connection
Closure Bolting Records
Closure Bolting Marking
Impact Test Marking
Closure Bolting for Flanged and Studded End and Outlet Connectors
General
Design
Materials
Other Closure Bolting
General
Design
Materials
Quality
Packing Mechanisms, Fittings, Boundary Penetrations, and Ports
Packing Mechanisms for Lock Screws, Alignment Pins, and Retainer Screws
Performance Requirements
Design
Fittings and Pressure Boundary Penetrations
General
Performance Requirements
Design
Materials
Marking
Storing and Shipping
Testing
Quality Requirements
Test, Gauge, Vent, and Injection Connector Ports
Sealing
Vent and Injection Connector Ports
Test and Gauge Connector Ports
Quality Control
Application
Measuring and Testing Equipment
General
Pressure-measuring Devices
Personnel Qualifications
Nondestructive Examination Personnel
Visual Examination Personnel
Welding Inspectors
Other Personnel
Requirements
General
Bodies, Bonnets, End and Outlet Connectors, and Clamp Hub End Connectors
Stems
Valve Bore Seal ing Mechanisms and Choke Trim
Ring Gaskets and Nonintegral Metal Seals
Nonmetallic Seals
Assembled Equipment—General
Mandrel-type Hangers
Slip-type Hangers
Bullplugs, Valve-removal Plugs, Back-pressure Valves, and Fittings
Factory Acceptance Testing
General
Scope and Applicability
Measurement, Monitoring, and Recording Equipment
Test Sequence
Leak Detection
Hydrostatic Testing
Hydrostatic Testing—General Requirements
Hydrostatic Test Acceptance Criteria
Hydrostatic Shell Test
Hydrostatic Seat Tests and Functional Tests—Valves
Conditional Hydrostatic Body Test—PSL , PSL , and PSL
Hydrostatic Testing of Back-pressure Valves
Gas Testing—PSL G and PSL
Gas Testing—General Requirements
Gas Test Acceptance Criteria—General Requirements
Gas Body Test
Gas Seat Test—Valves
Gas Backseat Test—Gate Valves
Conditional Gas Body Test
Drift Testing
Full-bore Valves
Valves with Nonstandard Bore Sizes
Tree Assemblies
Equipment Marking
Marking Requirements
Marking Method
Nameplates
Hidden Marking
Thread Marking
Size Marking
Temperature Marking
Hardness Tests
Ring Grooves
Clamp Hub End Connectors
Storing and Shipping
Draining after Testing
Corrosion Protection
Sealing-surface Protection
Assembly and Maintenance Instructions
Ring Gaskets
Age Control and Storage of Nonmetallic Seals
Equipment-specific Requirements
Integral, Blind, and Test Flanges
General Application
Design
Materials
Quality Control/Testing
Marking
Storing and Shipping
Ring Gaskets
General
Design
Materials
Quality Control/Testing
Marking
Storing and Shipping
Threaded Connectors
General
Design
Materials
Quality Control/Testing
Marking
Storing and Shipping
Tees and Crosses
General
Design
Materials
Quality Control/Testing
Marking
Storing and Shipping
Bullplugs
General
Design
Materials
Quality Control/Testing
Marking
Storing and Shipping
Valve-removal Plugs
General
Design
Materials
Quality Control/Thread Gauging
Marking
Storing and Shipping
Top Connectors
General
Design
Materials
Quality Control/Testing/Welding
Marking
Storage and Shipping
Crossover Connectors
General
Design
Materials
Quality Control/Testing
Marking
Storing and Shipping
Other End Connectors
General
Design
Materials
Quality Control/Testing
Marking
Storing and Shipping
Spools (Adapter and Spacer)
General
Design
Materials
Quality Control/Testing
Marking
Storing and Shipping
Valves
General
Design
Materials
Quality Control/Testing
Marking
Storing and Shipping
Back-pressure Valves
General
Design
Materials
Quality Control/Testing
Marking
Storing and Shipping
Casing and Tubing Hangers (Slip- and Mandrel-type)
General
Design
Materials
Quality Control/Testing
Marking
Storing and Shipping
Casing and Tubing Heads
General
Design
Materials
Quality Control/Testing
Marking
Storing and Shipping
Chokes
General
Design
Materials
Quality Control/Testing
Marking
Storing and Shipping
Actuators
General
Design
Materials
Quality Control/Testing
Marking
Storage and Shipping
Safety Valves, Shutdown Valves, and Actuators
General
Design
Materials
Quality Control/Testing
Marking
Storage and Shipping
Tree Assemblies
General
Design
Materials
Quality Control/Testing/Assembly
Marking
Storing and Shipping
Records
General
NACE MR /ISO Record Requirements
Record Control
Records Maintained by Manufacturer
Records of Pressure Tests
Body, Bonnet, End and Outlet Connectors, Stem, Valve Bore Sealing Mechanism,
Mandrel Tubing Hanger, Mandrel Casing Hanger, Slip Bowl, and Sl ip Segment
Records
Ring Gaskets and Nonintegral Metal Seals Records
Closure Bolting Records
Nonmetallic Sealing Material Records
Bullplugs, Valve-removal Plugs, and Back-pressure Valve Records
Assembled Equipment Records
Choke Trim Records
Records Furnished to Purchaser
General
Body, Bonnet, End and Outlet Connectors, Stem, Valve Bore Sealing Mechanism,
Mandrel Tubing Hanger, Casing Hanger, and Back-pressure Valve Records
Ring Gasket and Nonintegral Metal Seals Records
Closure Bolting Records
Nonmetallic Sealing Material Records
Slip Hanger Records
Assembled Equipment Records
SSV, USV, and BSDV Records
General
Shipping Report
Test Data Sheet
Records Furnished to Purchaser
Minimum Contents of Manufacturer’s Operating Manual
Failure Reporting
Annex A (informative) API Monogram Program Use of the API Monogram by Licensees
Annex B (informative) Purchasing Guidelines
Annex C (informative) Conversion Procedures—Units of Measure
Annex D (normative) Dimensional Tables—SI Units
Annex E (normative) Dimensional Tables—USC Units
Annex F (informative) Design Validation Procedures for PR (PRF Level)
Annex G (informative) Design and Rating of Equipment for Use at Elevated Temperatures
Annex H (informative) Recommended Assembly of Closure Bolting
Annex I (informative) Recommended Bolt Lengths
Annex J (normative) Weld-neck Flanges
Annex K (informative) Top Connectors
Annex L (informative) Segmented Flanges
Annex M (normative) Heat-treat Equipment Survey
Bibliography