Control Valve General Arrangement (GA) Drawing Review Checklist

1. General Information & Document Control

• 1. Correct Project Name and Number
• 2. Correct Purchase Order (PO) Number
• 3. Correct Valve Tag Number(s)
• 4. Correct P&ID Number Referenced
• 5. Correct Line Number Referenced
• 6. Correct Instrument Data Sheet (IDS) Number Referenced
• 7. Manufacturer's Drawing Number is Unique and Clear
• 8. Correct Drawing Revision Number and Date
• 9. Title Block is Complete (Client, EPC, Vendor logos)
• 10. Drawing Scale is Indicated and Appropriate
• 11. Bill of Materials (BOM) is included and complete
• 12. All components in BOM have unique part numbers

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2. Valve Body & Materials

• 13. Valve Body Type Matches Spec (Globe, Ball, Butterfly, etc.)
• 14. Valve Body Material Matches Spec (e.g., A216 WCB, A351 CF8M)
• 15. Valve Size Matches Spec
• 16. End Connection Type Matches Spec (RF, RTJ, BW, etc.)
• 17. End Connection Rating Matches Spec (e.g., ASME 300#)
• 18. Face-to-Face Dimension per Standard (e.g., ASME B16.10)
• 19. Bonnet Type Matches Spec (Standard, Bellows, Extended)
• 20. Bonnet Material Matches Spec
• 21. Gasket Material Matches Spec (e.g., Graphite, PTFE)
• 22. Stud/Bolt and Nut Material Matches Spec
• 23. Flow Direction Arrow is Shown and Correct
• 24. Special Painting/Coating Requirements are Noted
• 25. NACE Compliance (MR0175/ISO 15156) is Indicated if Required
• 26. Drain Connections Shown if Specified

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3. Trim & Internals

• 27. Trim/Plug Type Matches Spec (Contoured, Cage, etc.)
• 28. Flow Characteristic Matches Spec (Linear, EQ%, Quick Opening)
• 29. Flow Action is Correct (Flow-to-Open / Flow-to-Close)
• 30. Valve Cv Matches Calculated Value on Datasheet
• 31. Plug Material Matches Spec (e.g., 316 SST, Alloy 6)
• 32. Stem Material Matches Spec (e.g., 17-4PH, 316 SST)
• 33. Seat Material Matches Spec (e.g., 316 SST + Stellite)
• 34. Cage/Retainer Material Matches Spec
• 35. Leakage Class Specified (e.g., ANSI/FCI 70-2 Class IV, V, VI)
• 36. Packing Material Matches Spec (PTFE, Graphite)
• 37. Anti-Cavitation or Noise Reduction Trim is Correctly Shown
• 38. Guide Material Matches Spec

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4. Actuator Details

• 39. Actuator Type Matches Spec (Diaphragm, Piston, Electric)
• 40. Actuator Model and Size is Correct
• 41. Fail Action is Correct (Fail-Open, Fail-Close, Fail-in-Place)
• 42. Actuator Orientation is Correct (relative to valve body/pipeline)
• 43. Yoke and Mounting Material Matches Spec
• 44. Diaphragm/Seal Material is Correct for Service
• 45. Actuator Air Supply Pressure Range is Correct
• 46. Handwheel Type and Location is Correct (Top/Side, Declutchable)
• 47. Handwheel Operation Direction is Indicated (Open/Close)
• 48. Actuator Bench Set is Specified
• 49. Spring Material Matches Spec
• 50. Travel Stop details shown if specified
• 51. Stroke Length/Valve Travel is Indicated
• 52. Air Connection Size and Type is Correct (e.g., 1/4" NPT)

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5. Positioner & Accessories

• 53. Positioner Make and Model Matches Spec
• 54. Positioner Type (Pneumatic, Electro-Pneumatic, Smart)
• 55. Input Signal Matches Spec (e.g., 4-20mA HART)
• 56. Positioner is Shown Mounted Correctly without interference
• 57. Hazardous Area Certification is Correct (ATEX, IECEx, etc.)
• 58. Ingress Protection (IP) Rating is Correct
• 59. Limit Switch Make, Model, and Type are Correct
• 60. Solenoid Valve (SOV) Make and Model are Correct
• 61. SOV Voltage and Action (Energize-to-Open/Close) are Correct
• 62. Air Filter Regulator (AFR) Make and Model are Correct
• 63. AFR Material and Filtration Level are Correct
• 64. Volume Booster / Quick Exhaust Valve shown if specified
• 65. Tubing Material is Correct (e.g., SS316)
• 66. Tube Fittings are Correct (e.g., Double Ferrule)
• 67. Gauges (Supply, Output) are included and ranges are correct
• 68. Junction Box Details (if applicable) match spec
• 69. Electrical/Pneumatic Schematics are Included and Clear

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6. Dimensions & Connections

• 70. Overall Height, Width, and Length are Clearly Dimensioned
• 71. Clearance for Actuator/Handwheel Removal is Sufficient
• 72. Centerline of Valve to Top of Actuator Dimension is shown
• 73. Centerline of Valve to Bottom of Valve Dimension is shown
• 74. Flange Bolt Hole Size and Pattern are Correct
• 75. Butt Weld End Preparation Details are Correct
• 76. Locations of Pneumatic and Electrical Connections are shown
• 77. Weight of Valve + Actuator Assembly is Indicated
• 78. Center of Gravity is Indicated (for large valves)
• 79. Orientation of Accessories does not clash with piping/steel
• 80. Lifting Lug Details are Shown if required

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7. Tagging & Identification

• 81. Main Valve Tag Plate is shown, material is correct (e.g., SS316)
• 82. Tag details match PO/Data Sheet
• 83. Separate Nameplates for Actuator and Positioner are shown
• 84. Flow Direction Arrow is permanently marked on body
• 85. Wiring Terminal Tags match schematics
• 86. SOV and Limit Switch are individually tagged
• 87. Body material heat number location shown if required

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8. P&ID and Data Sheet Compliance

• 88. Valve type on drawing matches P&ID symbol
• 89. Fail position on drawing matches P&ID
• 90. All accessories (SOV, LS, etc.) match P&ID bubbles
• 91. Handwheel shown on GA matches P&ID requirement
• 92. All materials of construction match the final data sheet
• 93. Pressures/Temperatures noted on GA are consistent with data sheet
• 94. Valve size and rating on GA match final data sheet

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9. Notes, Standards & Certifications

• 95. Reference to applicable design standards (ASME, API, etc.)
• 96. Hydrostatic Test Pressure is noted and correct
• 97. Seat Leakage Test procedure/standard is referenced
• 98. Cleaning and preservation notes are included
• 99. Welding procedures (WPS/PQR) referenced if applicable
• 100. SIL capability is stated if required
• 101. Required Certifications are listed (e.g., Material Certs EN 10204 3.1)
• 102. Any client-specific specification deviations are noted/approved