双联蝶阀
双相蝶阀因其材料特性而具有良好的耐腐蚀性和高强度性能。所谓 “双相不锈钢 ”是指在其熔融组织中铁素体和奥氏体大概各占一半。即使少量也不低于 30%。由于双相不锈钢具有铁素体和奥氏体元素，因此它具有铁素体不锈钢所具有的高强度和耐氯化物应力腐蚀性能，以及奥氏体不锈钢所具有的优良韧性和焊接性能等优点。.
双相钢阀门的抗盐酸盐间距腐蚀、狭缝腐蚀和应力腐蚀性能极为优越，而且机械强度高、耐磨损和耐损耗腐蚀性能好，这些优点是所有不锈钢都无法比拟的。.
描述
Duplex Butterfly Valves Application
Duplex butterfly valves mainly apply in the neutral chloride medium. The valves widely apply in the oil refining industry, the petrochemical industry and the chemical industry, the petroleum and the gas industry, the paper pulp and the paper industry, the chemical fertilizer industry (urea industry, phosphate fertilizer industry), professions and so on food and drugs manufacture industry. It substitutes the austenite stainless steel valve, the application is day by day widespread.
Duplex Butterfly Valves Structure (Duplex2205 double offset butterfly valve for example）
| 不. | Parts | 材料 |
|---|---|---|
| 1 | 垫圈 | 聚四氟乙烯 |
| 2 | 开口环 | A182 F51 |
| 3 | 茎 | A182 F51 |
| 4 | 螺钉 | A182 F51 |
| 5 | 座椅 | 聚四氟乙烯/聚四氟乙烯 |
| 6 | 光盘 | A890 4A |
| 7 | 针脚 | A182 F51 |
| 8 | 阀座固定器 | A890 4A |
| 9 | 身体 | A890 4A |
| 10 | 轴承 | PEEK |
| 11 | 包装 | 聚四氟乙烯 |
| 12 | 压盖衬套 | A182 F51 |
| 13 | 双端螺栓 | A193 B8M |
| 14 | 六角螺母 | A194 8M |
| 15 | 支架 | A351 CF8M |
| 16 | 钥匙 | UNS G10450 |
| 17 | 齿轮箱装置 | CF8M / WCB |
Key Features of Duplex Butterfly Valves
Since there are a variety of applications of duplex butterfly valves, why are they popular among all the valves. Here is a list of the main features of duplex butterfly valves for you to explore the reasons.
- With a narrow profile, duplex butterfly valves can move without separating pipe system parts.
- Duplex butterfly valves are able to throttle flow and numerous actuation methods are available.
- Numerous actuation methods are available by duplex butterfly valves.
- In large diameters, duplex butterfly valves have full stainless-steel bodies which are lightweight and corrosion-resistance.
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