API Standard 603 covers corrosion-resistant bolted bonnet gate valves with flanged or butt-weld ends in sizes NPS 1/2 through 24, corresponding to nominal pipe sizes in ASME B36.10M, and Classes 150, 300, and, 600, as specified in ASME B16.34.
Also included in Standard 603 are 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.
Document identifier
API Std 603
Title
Corrosion-Resistant, Bolted Bonnet Gate Valves - Flanged and Butt-Welding Ends
API Category
Piping Component and Valve Standards
Publication date
2001-04-01
International Relationship
History of version
API Std 603*API Std 603 * API Std 603 * API Std 603 * API Std 603 * API Std 603
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API Std 603
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