
Butterfly Valves: Double-flanged, Lug- and Wafer-type, and Butt-welding Ends, Tenth Edition
NORMA vydána dne 1.5.2026
Designation standards: API STD 609
Publication date standards: 1.5.2026
The number of pages: 41
Approximate weight : 123 g (0.27 lbs)
Country: American technical standard
Kategorie: Technické normy API
This standard covers design, materials, face-to-face dimensions, pressure-temperature ratings, and examination, inspection, and test requirements for gray iron, ductile iron, bronze, steel, nickel-based alloy, or special alloy butterfly valves. See more