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| 首页Home＞Duo-Chek® II高性能止回阀 Duo-Chek® II High Performance Check Valves＞正文Text |
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| Duo-Chek® II 高性能止回阀 High Performance Check Valves |
特点和优点 Features and Benefits |
 美国克雷恩阀门公司 |
| 特点 Features |
优点 Benefits |
| 重量轻，紧凑的对夹式结构 Lightweight and Compact Wafer Design |
安装在配套法兰之间，在常用通径上，其重量只是法兰旋启式止回阀的10到20%。 - 节约阀门初始采购成本，降低安装成本。 Installs between mating flanges with 10 to 20% the weight of flanged swing checks in popular sizes - Saves money in initial valve cost and provides lower installation cost. |
| 双阀瓣，平阀座结构 Dual Plate, Flat Seat Design |
在结构设计上首先提起阀瓣根部，防止阀座磨损。在平阀座上采用两个弹簧-负载阀瓣。 - 性能优异，具有气密性关闭性能的弹性阀座。 Plate heel is lifted first by design to prevent seat wear. Employs two spring- Ioaded plates with flat seats - Gives superior performance and bubble-tight shutoff with resilient seats. |
| 独立的弹簧作用 Independent Spring Action |
最大偏移为140o，阀门反应速度得到进一步改进，使用寿命更长 - 阀门使用寿命 越长，成本就越节省；减少了水锤现象，从而改进了系统性能。 Maximum deflection of 140o, provides improved valve response and longer life - Saves money with longer valve life and improved system performance by reducing water hammer. |
| 独立的阀瓣悬挂，配置独特的铰链 结构(大通径) Independent Plate Suspension with Unique Hinge Design (larger sizes) |
改进阀门的反应速度和减少摩擦力66% - 更快的阀门反应速度进一步确保 阀门具有更好的性能。 Improves valve response and reduces friction forces by 66% - Further assurances for better performance with faster valve response. |
| 简单的外部阀体几何结构 Simple, External Body Geometry |
配置简单的阀门隔热结缘层 - 节省成本。 Configuration simplifies valve insulation - Saves money. |
| 可提供多种阀体结构 - 凸耳和双法兰 Variety of Body Designs Available - Lug and Double Flange |
提供备选件以适应应用需求 - 简化用户的选型过程，只需采用行业领导者的产品 作为唯一的货源。 Provides options to suit application needs - Eases your selection process by utilizing the industry leader as your single source. |
| 多种多样的材料 Wide Variety of Materials |
适用于多种用途 - 满足更多的应用需求。 Versatility for many services - Satisfies more application needs. |
| 安装位置的灵活性 Flexibility in Installation Position |
比管道更加坚固耐用，消除管道施加在法兰阀门上的弯曲负载的担忧 - 在高温或地 震灾害下更加安全。 Provides more rigidity than pipe, eliminating concerns of pipe bending loads of flanged valves - Safety against thermal or seismic catastrophes. |
| 阀体强度和钢度 Body Strength and Rigidity |
一些阀门适用于安装在水平或垂直向上的位置 - 简化管道结构，消除旋启式止 回阀所产生的限制条件。 Some sizes suitable for horizontal or vertical up positions - Simplifies piping design, eliminates constraints that swing checks create. |
| 无固定件Duo-Chek结构 阀体里不需要攻丝孔 Retainerless Duo-Chek Design Eliminates Tapped Holes in Body |
对于危险紧急的应用环境，要防止危险物质出现泄漏到大气中的可能性 - 能够安全 的在危险紧急的环境应用，消除有关环境的担忧。标准配置为凸耳或双法兰 机构。 For critical service applications, prevents possible escape of unwanted and/or hazardous materials to atmosphere - Safety in critical services eliminates and/or environmental concerns. Standards in Lug and Double Flange Designs. |
| 垂直铰链结构 Vertical Hinged Design |
在水平位置，阀瓣能够作用灵活自如，在较低的流速环境下，也能够完全开启，这 一点比旋启式止回阀更加优越 - 减少压力损失，改善动态响应特性，消除阀门 振动现象。 In horizontal position flow allows plates to function freely and full open under lower flow conditions as compared to swing check - Reduces pressure loss, improves dynamic response and eliminates valve chatter. |
特殊阀门满足市场需求：
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宽广的通径范围、压力范围和更多的备选件，能够进一步满足市场需求 - 信赖世 界上最大的对夹式止回阀系列产品能够满足更多的需求。 Wide size range, pressure range and added options allow further market needs to be met - Reliance on world’s largest wafer check line to supply more needs. |
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