- 全通径，明杆带支架
- 中法兰螺栓连接
- 弹性双闸板
- 填料室带0.6MPa水密封结构
- 系统与大气隔绝，气密性好
- 标准法兰连接
- 对焊连接
■CHIEF FEATURES
- FULL PORT,OUTSIDE SCREW AND YOKE(LS&Y)
- BOLTED BONNET
- FLEXIBLE DOUBLE WEDGE
- RISING STEM AND NON-RISING HANDWHEEL
- PACKING CHAMBER WITH0.6MPa WATER SEAL STRUCTURE
- SYSTEM ISOLATION FROM AIR,AIR SEAL WELL
- FLANGED ENDS
- BUTT-WELDING ENDS
■产品规范
Product Specification
Product Specification
| 产品规范 Product Specification |
设计规范 Design Spec |
结构长度 Face to Face |
连接法兰 Flange End |
试验与检验 Test & Check |
压力-温度 Pressure-Temp |
产品标识 Marking |
供货规范 Supply |
| GB/T12234 | GB/T12221 | GB/T79 | GB/T9092 | GB9131 | GB/T12220 | JB/T7928 |
■ 主要零部件材料
Main Part Material
Main Part Material
| 零件名称 | 零部件材料 Part Material | Part Name | |
| 阀体/阀盖 | WCB | 1Cr5Mo | Body/Bonnet |
| 闸板 | WCB | 1Cr5Mo | Wedge |
| 阀杆 | 2Cr13 | 25Cr2MoV | Stem |
| 密封副 | HF+HF/STL+STL | STL+STL | Hard Trim |
| 填料 | 柔性石墨/Flexible Graphite | Packing | |
| 垫片 | 18-8柔性石墨/18-8Flexible Graphite | Bolt | |
| 螺栓 | 35 | 35CrMo | Bolt |
| 适用介质 | -29～425℃ | -29～540℃ | Suitable Medium |
| 适用温度 | 水、油品、蒸汽 Water,Oil,Steam规范 |
蒸汽油品 Steam、Oil |
Suitable Tem |
