size: 1/2"~12" pressure class: ansi 150lb ~ 300lb design standards: bs5351, api6d body material: carbon steel, stainless steel, duplex stainless steel trim: carbon steel + enp, 410, stainless steel, duplex stainless steel seat: ptfe, rptfe end connection: rf, rtj, bw, ff type of operator: lever, gear, pneumatic operator

尺寸:1/2"~12 "压力等级:ansi 150lb ~ 300lb设计标准:bs5351，api6d阀体材料:碳钢、不锈钢、双相不锈钢阀内件:碳钢+ enp、410、不锈钢、双相不锈钢阀座:ptfe、rptfe端部连接:rf、rtj、bw、ff操作员类型:杠杆、齿轮、气动操作员