水封闸阀
■主要特点
- 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
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
| 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 Temp |
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