Overview: The document details the specifications and standards for the Class 300 Carbon Steel Wafer Type Double Disc Check
Valve, identified as Fig# DCK 300CS.
Applicable Standards: The valve adheres to several standards including API 594 for steel
check valves, ASME B16.34 for steel check valves, API 594 for face-to-face dimensions, ASME B16.5 for end flange dimensions, and API 598 for inspection and testing. The design complies with NACE MR0175 specifications.
Materials: The valve is constructed from various materials:
- Body: A216-WCB with 13Cr
- Disc: A351-CF8M
- Bolt, Shaft seat, Spacer, Hinge pin, Locating piece, Spring plate: A276-316
- Lifting bolt: Steel
- Spring: Inconel x750
Dimensions and Weight: The document provides a detailed table of dimensions and weights for different Nominal Pipe Sizes (NPS) ranging from 2 inches to 24 inches. Key dimensions include diameter (d), length (L), and various flange diameters (D, D1, D2), with weights ranging from 5.5 lbs to 447 lbs.
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