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McCannalok Metal Seated
High Performance Butterfly Valve
Specifications
Size Range | NPS 2½ to 30 / DN 65 to 750 |
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Temperature Range | Capabilities up to 900 °F (482°C) |
Maximum Allowable Operating Pressure | ASME Class 150, 300, 600 |
Shutoff Rating | Class IV |
Body Style | Wafer, Lug, Double Flanged |
Flange Drilling | ASME B16.5, EN 1092 |
Body Materials | Stainless Steel, Carbon Steel |
Stem Materials | 17-4 PH Stainless Steel: ASTM A564 Type 630 H1150D |
Seat Materials | Inconel® 718 |
Disc Materials | Nitrided Stainless Steel, ASTM A351 CF8M |
Fugitive Emissions Standard | ISO 15848-1, API 641 |
Features & Benefits
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.
Feature:
- Body Style: Wafer, Lug and Double Flanged
- ASME Class 150 and 300: 2 -1/2” – 30” (65mm – 750mm)
- ASME Class 600: 3” – 14” (80mm – 350mm)
- Capabilities up to 900 °F (482 °C)
- Wear-resistant Inconel® 718 metal seat provides industry leading low torque
- 3rd party validated high temperature tested
- High strength, anti-blowout one piece stem
- Nitrided disc for abrasion resistance
- Contoured disc to maximize flow
- Full face retaining ring protects seat in abrasive applications
- Easily accessible and adjustable stem packing
- Class IV bi-directional leakage rates through full pressure range tested in accordance to IEC 60534-4 and ANSI/FCI 70-2-2013
- Alternative flange drilling available