China ASTM A216 Sluice Valve Supplier Provides ASTM A216 WCB Sluice Valve, Standard API 600, 16 Inch, Class 900, Bolted Bonnet (BB) Design, Raised Face. Key Specifications / Features Size: 16 Inch. Pressure Rating: Class 900. Body/Bonnet: ASTM A216 WCB. Wedge: ASTM A216 WCB. Trim: 5#. Standards Design and Manufacture: API 600. Face to Face: ASME B16.10. Flanged Ends: ASME B16.5. Test and Inspection: API 598.