鑄鋼楔式閘閥
主要特點及用途 Chief features and usages
- 結構緊湊、設計合理，閥門剛性好，通道流暢，流阻系數小。
- 密封面采用不銹鋼和硬質合金，使用壽命長
- 采用柔性石墨填料、密封可靠、操作輕便靈活
- 驅動方式分手動、電動、氣動、齒輪傳功，結構型式：彈性楔式單閘板、剛性楔式單閘板和雙閘板型式。
- 廣泛適用于石油化工，火力發電廠等油品、水蒸汽管路上作接通或截斷管路中介質的啟閉裝置。
- Compact structure,neasonnable design,good rigidity,smooth channel,small coefficient of flow resistance.
- The sealing face uses stainless steel and carbide alloy and is of long duration
- Using flexible graphite fillings,reliable sealing,light and nimble operation
- Four driving ways,manually,electrically,air-ioerating and gear-driving,structure type,elastic wedge type with single gate board,right rigi-dwedge type with single or dual-gate board.
- Widely used as the device of open or close to connect or cut off the medium inside of the pioeline of water,steam or oil goods in steam power plants
主要性能規范 Chief property and specification
試驗壓力Test pressure
| 公稱壓力PN(MPa) Nominal pressure |
實驗壓力(MPa)Test pressure |
| 殼體Shell |
密封(液)Seal |
密封(氣)Seal |
上密封Back seal |
| 1.6 |
2.4 |
1.8 |
0.6 |
1.8 |
| 2.5 |
3.8 |
2.8 |
0.6 |
2.8 |
| 4.0 |
6.0 |
4.4 |
0.6 |
4.4 |
| 6.4 |
9.6 |
7.0 |
0.6 |
7.0 |
| 10.0 |
15.0 |
11.0 |
0.6 |
11.0 |
| 16.0 |
24.0 |
18.0 |
0.6 |
18.0 |
適用范圍 Suitable scope
| 殼體材料Shell material |
適用介質Applicable medium |
適用溫度(℃)Applicable temperature |
| 碳素鋼(C型)Carburizing steel |
水、蒸汽、油品Water,steam,oil goods |
≤425 |
| |
硝酸類 Nitric acid |
≤200 |
| |
醋酸類 Acetic acid |
≤200 |
| |
水、蒸汽、油品Water,steam,oilgoods |
≤550 |
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