$58
API Std 609
2021
Butterfly Valves: Double-flanged, Lug- and Wafer-type, and Butt-welding Ends, Ninth Edition
- Format:
- Language(s) :
- Published :
- English
- 04/01/2021
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 A—Manufacturer'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 B—ASME 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;
| API Std 609 | |
|---|---|
| STANDARD INFO: | |
| Standard Name | API Std 609 |
| Scope | Butterfly Valves: Double-flanged, Lug- and Wafer-type, and Butt-welding Ends, Ninth Edition |
| Publisher | API - American Petroleum Institute |
| Languages | English |
| State | |
| Publication Year | 2021 |
| Most recent Version | MOST RECENT |
| Whether to be replaced | |
| Addendum | |
| FILE INFO: | |
| Edition | 9th |
| File Size | 1 file , 820 KB |
| Note | This product is unavailable in Ukraine, Russia, Cuba, Syria, Belarus, Iran, North Korea |
| Number of Pages | 34 |
| Product Code(s) | C60909, C60909, C60909, C60909 |
| Published | 04/01/2021 |
| Redline File Size | 2 files , 7 MB |
| API Std 609 | ||
|---|---|---|
| History | Publisher Year | |
| API Std 609 | 2021 | Current |
| API Std 609 | 2016 | |
| API Std 609 | 2009 | |
| API Std 609 | 2004 | |
| API 609 | 1997 |
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