Cast check valve 1. Design & manufacture: api6d, ansi b16.34, bs1868 2. Bolted bonnet, swing type disc, 3. Size range: 2" to 24". 4. Pressure ratings: ansi 150, 300, 600, 900 , 1500 5. End connections: flanged, butt weld. 6. Materials: wcb, lcb, cf8, cf8m, cf3, cf3m, wc6, wc9, c5, c12 or equivalent, 7. Various trim materials available to suit service conditions 8. Nace mr 0175 on request Exporting standards case