$136.00Original price was: $136.00.$82.00Current price is: $82.00.
Steel Gate Valves – Flanged and Butt-welding Ends, Bolted Bonnets, Twelfth Edition, Includes Errata (2009) standard by American Petroleum Institute, 03/01/2009
This International standard specifies the requirements for a heavy-duty series of bolted bonnet steel gate valves for petroleum refinery and related applications where corrosion, erosion and other service conditions would indicate a need for full port openings, heavy wall sections and large stem diameters.
