Cast Flat Gate Valve https://www.rockvalves.com/product/gate-valve/cast-flat-gate-valve.html MATERIALS Available in Casting (WCB, WC6, WC9, LCB, CF8, CF8M, CF3, CF3M, 4A, 5A, 6A), Alloy 20, Monel, Inconel, Hastelloy FEATURES Full or Reduce Bore RF, RTJ, or BW Outside Screw & Yoke (OS&Y), rising stem Bolted Bonnet or Pressure Seal Bonnet Flat Gate Renewable seat rings STANDARDS Design & manufacture according to API 6D, ASME B16.34 Face-to-face according to ASME B16.10 End Connection according to ASME B16.5 (RF & RTJ), ASME B16.25 (BW) Test & inspection according to API 598 Also available per NACE MR-0175, NACE MR-0103, ISO 15848, API624