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原文：
The valves are suitable for forAutomatic Control Valves semiconductor manufacturing, flat panel tools, solar tools, coaters and general high flow (large pump line diameter) manufacturing applications. They have a smaller profile, and are lighter, lower in cost, and Check Valves easier to maintain than similar valves on the market, the company says. Lifetime can extend to 1,000,000 cycles for all sizes, greatly increasing system uptime. The HFVs have edge-welded bellows to prevent out-gassing and virtual Safety Relief Valves leaks, and maximize stroke length to maintain high conductance. They can be mounted vertically or horizontally without effect to its isolating seal performance. HFV valves also can be completely disassembled in the field. The valves feature a 304 stainless steel vacuum grade, fusion welded, beaded Instrumentation Ball Valves blasted body that resists corrosion and has fewer entrapment areas for high purity. They can be heated to 185°C to prevent process byproducts from condensing in the valve. To accommodate different process temperatures and composition requirements, a variety of elastomer seals are available, includingInstrument Manifolds Viton, Chemraz, Kalrez, and Perlast. HFVs are available in sizes NW160 (6 in), NW200 (8 in), NW250 (10 in), and NW320 (12 in).
原文来自： http://www.nytimes.com/1981/12/26/opinion/escape-valve.html

CHELSEA OIL LEAK LINKED TO TAMPERING WITH VALVES;是由上海日美阀门制造有限公司提供的阀门新闻，中文译文仅供参考，以下提供站内导航搜索：

中国蝶阀网蝶阀产品蝶阀知识蝶阀厂商蝶阀博客蝶阀行业新闻

以下是参考译文：

译文：高流量阀具有较低的重量
该阀适用于半导体制造，平板工具，太阳能工具，镀膜机闸阀和一般高流量（大泵线直径）制造应用。他们有一个更小的配置文件，重量更轻，成本低，易于维护蝶阀比市场上同类阀门，该公司说。寿命可以延长到1,000,000个周期为各种规模，大大提高了系统正常运行时间。该HFVs有边焊接波纹管，以防止外毒气和虚拟泄漏，并最大限度地冲程长度保持高电导。它们截止阀可以被安装垂直或水平没有影响到其隔离密封性能。 HFV治疗阀也可以完全拆卸在外地。阀门的功能1级304不锈钢真空，熔焊，珠绣炮轰机构抗腐蚀，具有高纯度少压迫的地方。它们止回阀可以加热到185 ° C到防止阀门冷凝过程的副产品。为了适应不同的工艺要求的温度和组成，橡胶柱塞阀密封件的种类齐备，包括氟橡胶，Chemraz，Kalrez和Perlast。 HFVs在安全阀体积可NW160（6），NW200（8），NW250（10）和NW320（12）。

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