| 代号 | 结构型式 | 结构型式解释 | 应用标准 | 结构长度标准 | 
| C | BB-BG-OS&Y | 螺栓连接阀盖,螺栓连接压盖,明杆支架式 | API602/API602M | ASME B16.10 | 
|  | (BOLTED BONNET,BOLTED GLAND,OS&Y) |  |  | |
| D | BB-BG-OS&Y | 螺栓连接阀盖,螺栓连接压盖,明杆支架式 | API603/API603M | ASME B16.10 | 
|  |  | (BOLTED BONNET,BOLTED GLAND,OS&Y) |  |  | 
| E | BB-BG-OS&Y-N | 螺栓连接阀盖,螺栓连接压盖,明杆支架式, | API602M | ASME B16.10 | 
|  |  | 针型结构(BOLTED BONNET,BOLTED GLAND, |  |  | 
|  |  | OS&Y ,NEDDLE TYPE) |  |  | 
| G | BC-PISTON-LIFT | 螺栓连接阀盖,升降式 | API602M | ASME B16.10 | 
|  |  | (BOLTED BONNE,PISTON-LIFT) |  |  | 
| H | BC-PISTON-LIFT | 螺栓连接阀盖,升降式 | API603M | ASME B16.10 | 
|  |  | 螺栓连接阀盖,螺栓连接压盖,明杆支架式, |  |  | 
| B | BB-BG-OS&Y-W | 波纹管密封结构(BOLTED BONNET,BOLTED  | API600M | 南京流体工程机 | 
|  |  | GLAND,OS&Y ,BELLOWS SEAL TYPE) |  | 械厂标准 | 
|  |  | 螺栓连接阀盖,螺栓连接压盖,明杆支架式,低温 |  |  | 
| L | BB-BG-OS&Y-L | 密封结构(BOLTED BONNET,BOLTEDGLAND | ASME B16.34 | ASME B16.10 | 
|  |  | ,OS&Y ,CRYOGENIC SERVICE SRRUCTURE) |  |  | 
| 1 | BC-SWING | 螺栓连接阀盖,旋启式 | API600M | ASME B16.10 | 
|  |  | (BOLTED BONNET,SWING) |  |  | 
| 2 | PS-PISTON-LIFT | 压力密封阀盖,升降式 | API600M | ASME B16.10 | 
|  |  | (PRESSURE SEAL BONNET,PISTON-LIFT) |  |  | 
| 3 | WAFER TYPE   | 对夹式止回阀 | API594 | API594 | 
|  |  | (WAFER CHECK VALVE) |  |  | 
| 4 | TILTING-DISC | TILTING-DISC 型止回阀 | API600M | ASME B16.10 | 
|  |  | (TILTING-DISC TYPE CHECK VALVE) |  |  | 
| 5 | BB-BG-OS&Y-F | 螺栓连接阀盖,螺栓连接压盖,明杆支架式,配特殊填料 | API600/API600M | ASME B16.10 | 
|  |  | (BOLTED BONNET,BOLTED GLAND,OS&Y,WITH  |  |  | 
|  |  | SPECCIAL PACKING) |  |  | 
| 6 | BB-BG-OS&Y | 螺栓连接阀盖,螺栓连接压盖,明杆支架式 | API600/API600M | ASME B16.10 | 
|  |  | (BOLTED BONNET,BOLTED GLAND,OS&Y)  |  |  | 
| 7 | BB-BG-OS&Y-H | 螺栓连接阀盖,螺栓连接压盖,明杆支架式,带吹扫孔 | API600/API600M | ASME B16.10 | 
|  |  | (BOLTED BONNET,BOLTED GLAND,OS&Y,WITH |  |  | 
|  |  |   BLOMING HOLE)  |  |  | 
| 8 | PS-BG-OS&Y | 压力密封阀盖,螺栓连接压盖,明杆支架式 | API600/API600M | ASME B16.10 | 
|  |  | (PRESSURE SEAL BONNET,BOLTED GLAND,OS&Y)  |  |  | 
| 9 | PS-COVER SWING | 压力密封阀盖, 旋启式 | API600/API600M | ASME B16.10 | 
|  |  | (PRESSURE SEAL BONNET, SWING) |  |  | 
| M | BB-BG-M-SEAL | 动密封闸阀 | API600M | ASME 16.10 | 
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