Description
KEY FEATURES & BENEFITS
- Free swinging disc allows independent movement of the disc with assured closure upon loss or reversal of flow. Inclined seat design optimizes performance with low pressure drop and fast closure.
- Self-aligning disc & disc arm assures repeatable tight sealing.
- Air cylinder provides closing moment to shaft upon control room signal.
- Lost motion feature enables valve disc to close independently of the air cylinder position.
SPECIFICATION
- Design standards: ASME B16.34
- Pressure class range: ASME Class 150 to 2500
- Size range: 3 – 48 inches (80 – 1100 mm) & larger
- Temperature range: Up to 1,200ºF
- Materials: Carbon steel, alloy steel, stainless steel, F91 Austenitic stainless steel
- Upgrades & Adaptations: Air cylinder modification, Packing upgrade, Mechanical seal replacement, Live load packing
APPLICATIONS
- Steam turbine protection
- Extraction steam non-return
- Bleeder trip & bled steam non-return
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