Standard

API STD 603

Revised

Note: This standard has a new edition: API STD 603

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Abstract

1 Scope 1.1 This standard covers corrosion-resistant bolted bonnet gate valves with flanged or butt-weld ends in sizes NPS ½ through 24, corresponding to nominal pipe sizes in ASME B36.10M, and Classes 150, 300, and, 600, as specified in ASME B16.34. 1.2 This standard covers requirements for corrosion resistant gate valves for use in process piping applications. Covered are requirements for outside-screw-and-yoke (OS&Y) valves with rising stems, non-rising hand-wheels, bolted bonnets, and various types of gate configurations. 1.3 Figure 1 illustrates a bolted bonnet gate valve for the purpose of establishing standard nomenclature for valve parts. 1.4 The dimensions in customary units are standard; metric (SI) units are shown for reference.

Document information

  • Standard from API_AC
  • Published:
  • Version: 0
  • Document type: IS
  • Additional information
    • Sixth Edition