原文：
Saint-Gobain PAM UK has developed an exclusive new range of Eurostop butterfly valves. Used typically as isolation devices on pipelines, waterworks and hydroelectric plants, Eurostop butterfly valves offer significant cost-saving benefits over traditional gate valves typically used in this application. Due to the size differential between a butterfly valve and gate valve in larger diameters, butterfly valves require less depth of cover during installation. This means less concrete is required to build the valve chamber and so creates a reduction in CO2 emissions. In terms of unit cost, the Eurostop is more cost-effective than a large diameter gate valve as is the actuator required in motorised applications. Also due the nature of butterfly valves, the Eurostop does not require a diverter valve to help regulate differential pressure to reduce the opening torque of the valve. Eurostop butterfly valves draw on 30 years of design experience at Saint-Gobain PAM, utilising the most up to date design software, to optimise hydraulic performance, durability and sealing. The ductile iron body and disc create a high strength-to-weight ratio and a safety factor in excess of 4. Operating torques are significantly reduced due to the double eccentricity of the disc and the fact that each valve is fitted with an AUMA gearbox as standard. The valves offer low head loss in the fully open position and a perfectly watertight seal when closed. Optimum sealing is achieved through the presence of an automatic continuous gasket and stainless steel cold rolled sealing seat which prevents thermal stresses and blowholes. Eurostop Butterfly valves fully comply with 1074-1 and 2, EN593 and ISO 10631 and are available for both water and sewage applications PN10, PN16 and PN25. They are available in manual, buried, flange mounted for actuator, or actuated versions. Tara Smith, Valves Product Manager, Saint-Gobain PAM UK commented: “The new Eurostop range offers major benefits to specifiers and installers in terms of reduced unit cost and installation costs, optimum performance and environmental benefits in installation. Its state-of-the-art design, versatility and compliance with all industry requirements are set to make Eurostop the first choice of specifiers.”
原文来自：http://www.plumbingpark.co.uk/plumbing_hvac_article13676.html

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译文：Eurostop蝶阀独特的新范围
圣戈班PAM的英国已经开发出了Eurostop蝶阀独特的新范围。通常于管道，自来水厂和水电厂隔离装置中使用，Eurostop蝶阀提供大量节省成本比传统的门通常在应用程序中使用此阀门的好处。 由于之间的蝶阀和闸阀的大小差别更大的直径，蝶阀在安装过程中需要较少的覆盖深度。这意味着更少的具体需要建立阀室等，创建一个减少二氧化碳排放。 单位成本而言，Eurostop更具成本比大口径闸阀是有效的机动应用所需的驱动器。另外，由于对蝶阀的性质，Eurostop不需要换向阀，帮助调节压差，减少阀门的开扭矩。 Eurostop蝶阀利用30多年的设计经验，在圣戈班PAM的，利用的，{zxj}的设计软件，以优化水力性能，耐用性和密封。 在球墨铸铁机构和光盘创建一个高强度重量比，并在4以上的安全系数。操作扭矩大大降低，由于光盘的双偏心和每个阀与欧玛变速箱作为标准配备的事实。 提供的阀门xx开启位置，低水头损失和一个xx防水密封时关闭。优化密封是通过一个自动连续垫片和不锈钢冷轧卷密封存在座位上的热应力和防止气孔。 Eurostop蝶阀xx符合1074-1 2，EN593和ISO 10631，并为水和污水处理应用PN10，PN16和PN25可用。他们是手动，埋可用，法兰安装的驱动器，或驱动版本。 塔拉史密斯，阀门产品经理，圣戈班PAM的英国评论说：“新Eurostop范围提供在减少单位成本和安装成本，{zj0}的性能和安装环境效益方面都有重大利益，说明符和安装。其{zxj}的设施，先进的设计，多功能性和与所有符合行业要求，使Eurostop设置的说明符的{dy}选择。“

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