I would like to ask the experts about the meaning of the markings on American-standard valves! ! ! !
Thread Content
What do the symbols \BB, OS&Y CL150 RF A216 WCB 13Cr, F6a DN150 mean for a gate valve? :handshake American standard valves
BB: Bolted valve cover OS&Y: Bolted gland, stem support CL150: 150LB pressure RF: Flanged surface A216 WCB: Cast steel WCB 13Cr, F6a: Stem material DN150: Diameter
BB-BG-OS&Y: Bolt-connected valve cover, bolt-connected gland, stem-mounted type. CL150: Nominal pressure class. CL150 RF: Flange face type RF. A216 WCB: Valve body material – cast steel WCB. 13Cr: Material of the valve seat and valve disc – 13Cr. F6a: Material of the valve stem – F6a. DN150: Nominal diameter – DN150
BB-BG-OS&Y: Bolted valve cover, stem-support structure. CL150: Nominal pressure class. CL150 pound-class pressure. RF: Flange face; raised face flange. A216 WCB: Valve body material; cast WCB carbon steel. 13Cr: Material of the valve seat and valve disc; 13Cr. F6a: Material of the valve stem; F6a. DN150: Nominal diameter; DN150