适用标准 钢制闸阀，API600/API 6D 钢制闸阀，ISO 10434/ISO 14313 温度和压力，ASME B16.34 结构长度，ASME B 16.10 端法兰， ASME B 16.5 对焊端，ASME B 16.25 试验标准，API 598/API 6D 设计说明 栓接阀盖 全通型 明杆 刚性或弹性闸板 可更换阀座 锻造T型头阀杆 升降式或非升降式手轮 法兰或对焊端 可安装伞齿轮 标准材料规范 NO. Part Name ASTM Material Carbon steel 2.5Ni 3.5Ni 304 Type 316Type 304L Type 316LType 20 Alloy 1 Body A352LCB A352LC2 A352 LC3 A351 CF8 A351CF8M A351CF3 A351CF3M A351 CN7M 2 Bonnet A352LCB A352LC2 A352 LC3 A351 CF8 A351CF8M A351CF3 A351CF3M A351 CN7M 3 Wedge LCB+304 ¨1 LCB+304 ¨1 LCB+304 ¨1 A351 CF8 A351CF8M A351CF3 A351CF3M A351 CN7M 4 Stem A182 F304 A182 F304 A182 F304 A182 F304 A182 F316 A182 F304L A182 F316L 20-Alloy 5 Seat Ring A182+F304 ¨1 A182+F304*1 A182+F304*1 NA NA 6 Back Seat A276 304 A276 304 A276 304 NA NA 7A Bonnet Gasket 304+ graphite 304+ graphite 304+ graphite 304+ graphite 316+ graphite 304L+ graphite 316L+ graphite 316+ graphite 7B Ring Gasket Soft steel A182 F304 A182 F304 A182 F304 A182 F316 A182 F304L A182 F316L 20-Alloy 8 Bonnet Bolt A193 L7 A193 L7 A193 L7 A193 B8 A193 B8M A193 B8 A193 B8M A193 B8M 9 Bonnet Nut A194 4 A194 4 A194 4 A19 4 8 A194 8M A194 8 A194 8M A194 8M 10 Packing Graphite Graphite Graphite Graphite *2 Graphite *2 Graphite *2 Graphite *2 Graphite *2 11 Gland A276 410 A276 410 A276 410 A276 304 A276 316 A276 304L A276 316L 20-Alloy 12 Gland Flange A352LCB A352LC2 A352 LC3 A351 CF8 A351 CF8 A351 CF8 A351 CF8 A351 CF8 13 Eyebolt A193 L7 A193 L7 A193 L7 A193 B8 A193 B8 A193 B8 A193 B8 A193 B8 14 Eyebolt Nut A194 4 A194 4 A194 4 A194 8 A194 8 A194 8 A194 8 A194 8 15 Eyebolt Pin A276 410 A276 410 A276 410 A276 304 A276 304 A276 304 A276 304 A276 304 16 Greas Fitting Commercial Commercial Commercial Commercia