应用规范
1、设计制造造GB12235-89
2、结构长度按GB12221-89
3、法兰尺寸按JB/T79-94
4、阀门检查和试验按APID.598
主要零件材料：
材料标准 | 材料牌号 | 材料标准 | 材料牌号 |
碳钢 | 不锈钢 | 碳钢 | 不锈钢 |
零件名称 | GB | ASTM | GB | ASTM | 零件名称 | GB | ASTM | GB | ASTM |
阀体 | WCB | A216-WCB | ZG1Cr18Ni9Ti
ZG1Cr18Ni12Mo2Ti | CF8/CF 8M/
CF3/CF3M | 阀座密封圈 | 石墨 |
阀盖 | WCB | A216-WCB | ZG1Cr18Ni9Ti
ZG1Cr18Ni12Mo2Ti | CF8/CF8M/
CF3/CF3M | 阀杆 | 2Cr13 | A276-410 | 1Cr18Ni9Ti
1Cr18Ni12Mo2Ti | F304/F316/
F304L/F316L |
双头螺柱 | 35CrMoA | A193-B7 | 1Cr17Ni2 | A193-B8M | 止推轴承 | 金属夹PTEE |
螺母 | 45 | A194-2H | 0Cr18Ni | A194-8M | 阀杆填料 | 石墨 |
垫圈 | 金属夹石墨 | 填料压环 | 2Cr13 | A276-410 | 1Cr18Ni9Ti
1Cr18Ni12Mo2Ti | F304/F316/
F304L/F316L |
球体 | 2Cr13渗氮 | A276-410渗氮 | 1Cr18Ni9Ti
1Cr18Ni12Mo2T
渗氮 | F304/F316/
F304L/F316L
渗氮 | 填料压盖 | WCB | A216-WCB | ZG1Cr18Ni9Ti
ZG1Cr18Ni12Mo2Ti | CF8/CF8M/
CF3/CF3M |
阀座 | 2Cr13渗氮 | A276-410渗氮 | 1Cr18Ni9Ti
1Cr18Ni12Mo2T
渗氮 | F304/F316/
F304L/F316L
渗氮 | 螺钉 | 35CrMoA | A193-B7 | 1Cr17Ni2 | A193-B8M |
阀座支承圈 | 2Cr13 | A276-410 | 1Cr18Ni9Ti
1Cr18Ni12Mo2T | F304/F316/
F304L/F316L | 定位板 | 2Cr13 | A276-410 | 1Cr18Ni9Ti | 304 |
阀座弹簧 | 17-7PH | 17-7PH | 17-7PH | 17-7PH | | | | |
