Bray/McCannalok Metal Seated High Performance Butterfly Valve
Butterfly ValvesThe Bray McCannalok Metal Seated 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
- Size Range: ASME Class 150 and 300: 2 -1/2” – 30” (65mm - 750mm)
ASME Class 600: 3” – 14” (80mm - 350mm) - Body Style: Wafer, Lug and Double Flanged
- Temperature Range: Capabilities up to 900 °F (482°C)
- Disc Materials: Nitrided Stainless Steel, ASTM A351 Gr CF8M
- Stem Materials: 500° - 750°F (260° - 399°C)
: 17-4 PH Stainless Steel:
ASTM A564 Type 630 Gr H1150D
800° - 900°F (426° - 482°C): Stainless Steel: ASTM A479 Gr 316 Strain Hardened Level 1 (optional) Nitronic 50 (XM-19) For applications that require full ASME ratings, please consult factory - Seat Materials: Inconel® 718
- Bearings: 500°F (260°C): 316 Stainless Steel with TFE and Glass Fabric Liner
750° - 900°F (399° - 482°C) Nitrided 316 Stainless Steel- Packing: 500°F (260°C): PTFE/Carbon Fiber
750° - 900°F (399° - 482°C) Flexible Graphite rings
- Packing: 500°F (260°C): PTFE/Carbon Fiber
