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API 603 Corresion Resistant Gate Valves

API 603 Corresion Resistant Gate Valves

Size range(s):
1/2 - 24'' (50 - 600 mm) 
Pressure rating:
ASME Class 150 - 600 

API 603 Corresion Resistant Gate Valves Features
• Wall thickness to ASME B16.34.
• Optional integral Stellited seat face available for longer service life.
• Wedge flexible gate, which is ground and lapped to a mirror finish and tightly guided to prevent dragging and seat damage.
• Non-rising stem with precision threads and burnished finish.

Overview of API 603
API 603 specifies Corrosion-Resistant, Bolted Bonnet Gate Valves - Flanged and Butt-Welding Ends. The standard 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.


Related Article
API 600 Standard VS API 603 Standard


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