This is a Hancock 5580W Check Valve, manufactured by the Industrial Valve & Instrument Division of Dresser. This robust valve is constructed from Steel A105, featuring a CR13 seat and disc, designed for demanding industrial applications.

The valve is rated for high-pressure service, with a WOG (Water, Oil, Gas) rating of 2000 PSI at 100°F and a WSP (Working Steam Pressure) rating of 600 PSI at 910°F. It adheres to 800 API and 600 ANS pressure classes, indicating its suitability for severe service conditions. This industrial Check valve is a reliable component for controlling fluid flow in various systems.

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Verified Specifications:
Brand/Maker: Hancock / Dresser (Industrial Valve & Instrument Division)
Item Type: Check Valve
Material: Steel A105 (Body), CR13 (Seat & Disc)
Specifications:
WOG Rating: 2000 PSI @ 100°F
WSP Rating: 600 PSI @ 910°F
Pressure Class: 800 API, 600 ANS
Model Number: 5580W
Features: Steel construction, High-pressure rating, Industrial grade
Included Components: Main valve unit
Country of Origin: USA