API609 Rubber Seat Butterfly Valve
Product Range
Sizes: NPS 2 to NPS 48
Pressure Range: Class 150 to Class 2500
Temperature :-20℃ ~200℃ (-4℉~392℉)
Materials
Casting (Cast Iron, Ductile Iron, A216 WCB, WC6, WC9, A350 LCB, A351 CF8, CF8M, CF3, CF3M, A995 4A, A995 5A, A995 6A), Alloy 20, Monel, Inconel, Hastelloy
Standard
| Design & manufacture | API 609, AWWA C504, ASME B16.34 |
| Face-to-face | API 609, ASME B16.10 |
| End Connection | Flange Ends to ASME B16.5, ASME B16.47, MSS SP-44 (NPS 22 Only) |
| - AWWA A207 | |
| - Butt Weld Ends to ASME B16.25 | |
| - Screwed Ends to ANSI/ASME B1.20.1 | |
| Test & inspection | API 598 |
| Fire safe design | API 6FA, API 607 |
| Also available per | NACE MR-0175, NACE MR-0103, ISO 15848 |
| Other | PMI, UT, RT, PT, MT |
Design Features
1.Concentric design
2.Non Pin stem, Pin stem
3.Low torque
4.Zero leakage
5.Low torque
6.Self cleaning
7.Blowout-proof stem
8.ISO 5211 top flange
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