行业新闻
原文：
【Network】 HC hardware with leading domestic 闸阀
level, the petrochemical industry, the key catalytic device made of special valves - Ultra high temperature rapid hydraulic valve, Zhejiang Petrochemical Valve Co., Ltd. recently successfully developed 蝶阀
independently, and obtained two national invention utility model patents and two patents.
According to the company's chief engineer Li Bao-sheng introduced截止阀
ultra-high speed hydraulic valve is the key catalytic device made of special valves, the use of conditions and difficult to manufacture far more than in the ordinary valve, has been imported. There are also a few valve plant trying to develop the product, but they use three eccentric structure, can not overcome the high-temperature thermal安全阀
expansion of the disc as arising from the phenomenon of card blocking, there are potential safety problems, failed.
To this end, Zhejiang Petrochemical Valve Company after repeated research and numerous experiments, and finally developed. The main innovation of the product are: First, the swing transmission five-link, 减压阀
the second is the rapid shut-down design, the three flow control accuracy is guaranteed, and a reasonable selection, new and unique in structure, but also affordable. The country more than 20 large petrochemical enterprise applications, good results, prospects are bright.
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：
中国疏水阀网 疏水阀产品 疏水阀知识 疏水阀厂商 疏水阀博客 疏水阀行业新闻
以下是参考译文：
译文：超高温快速液动蝶阀是催化装置的关键国产化特种阀门
【慧聪五金网】具有国内领先水平的、石化行业止回阀
催化装置关键国产化特种阀门——超高温快速液动蝶阀，最近在浙江石化阀门有限公司自主研发成功，并获得了国家2项发明专利和2项实用新型专利。
据该公司总工程师李保升介绍，超高温快速液动蝶阀是催化装置的关键国产安全阀
化特种阀门，其使用工况和制造难度远超于普通阀门，多年来呼吸阀
一直依赖进口。国内也有几家阀门水力控制阀
厂试图开发该产品，但他们采用三偏心结构，无法克服蝶板由于高温热膨胀而产生的卡阻现象，存在安全隐患，均以失败告终。
为此，浙江石化阀门公司经过反复研究和多次试验，终于电磁阀
研制成功。该产品的主要创新点有：一是五连杆偏摆传动机构，二是快速关闭功能设计，三是流量调节精度的保证，并合理选材，不仅结构新颖独特，而且经济适用。经全国20多家平衡阀
大型石化企业应用，效果良好，前景广阔。
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