Double Offset Long lifespan High Performance Butterfly Valve For Steam Applications
Specifications
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- 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
Features
- 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
