Full Description

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.

The following two categories of butterfly valves are included:

Category AManufacturer's rated cold working pressure (CWP) butterfly valves, usually with a concentric disc and seat configuration. Sizes covered are NPS 2 to NPS 60 for valves having ASME Class 125 or Class 150 flange bolting patterns.

Category BASME class and pressure-temperature-rated butterfly valves that have an offset seat and either an eccentric or a concentric disc configuration. Sizes covered are listed below:for lug and wafer, Class 150 and 300: NPS 2 to NPS 60;for lug and wafer, Class 600: NPS 3 to NPS 60; for double-flanged short and long pattern, Class 150, 300, and 600: NPS 3 to NPS 60; for butt-welding ends, Class 150, 300 and 600: NPS 3 to 60;

Product Details

Edition: 9th Published: 04/01/2021 Number of Pages: 34 File Size: 1 file , 2.9 MB Redline File Size: 2 files , 9 MB Product Code(s): C60909, C60909, C60909, C60909 Note: This product is unavailable in Cuba, Iran, North Korea, Syria