Steam High Performance Butterfly Valves , Double Offset Butterfly Valve Metal To Metal Seat

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