Butterfly Valves
Bray - High Performance Butterfly Valve - McCannalok Metal Seated
Bray McCannalok™ Metal Seated Valve for High Temperature Applications
The Bray/McCannalok™ Metal Seated high performance butterfly valve has been extensively performance tested in our state-of-the-art technology center and test laboratory. The Inconel® 718 metal seat has been contoured to provide control, strength and flexibility in high temperature applications. The Technology Group’s design validation procedure includes cycle, torque and leakage testing to ensure long service life.
Specification / Detail
| Size Range | NPS 2½ to 30 / DN 65 to 750 |
| Body Materials | Stainless Steel, Carbon Steel |
| Temperature Range | Capabilities up to 900 °F (482°C) 3rd party-validated |
| Stem Materials | 17-4 PH Stainless Steel: ASTM A564 Type 630 H1150D Stainless Steel: ASTM A479 316 Strain Hardened Level 1 |
| Maximum Allowable Operating Pressure | ASME Class 150, 300, 600 |
| Seat Materials | Inconel® 718 |
| Shutoff Rating | Class IV |
| Disc Materials | Nitrided Stainless Steel, ASTM A351 CF8M |
| Body Style | Wafer, Lug, Double Flanged |
| Design Standard | ASME B16.34, ASME VIII, API 609 |
| Flange Drilling | ASME B16.5, EN 1092 |
| Testing Standard | ANSI/FCI 70-2-2013, IEC 60534-4 |
| Certifications | ABS, DNV, PED, PE(S)R |
| Face to Face | API 609, ISO 5752 |
| Fugitive Emissions Standard | ISO 15848-1, API 641 |
| Applications | High temperature, Abrasive, Hot Oil, Hot Air & Gas, Saturated Steam, Slurries, Chemical Processing, Modulation and Control |