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天津市塘正阀门有限公司是生产软密封阀门的专业厂家，注册商标为“”字牌，主要产品有蝶阀、法兰蝶阀、沟槽蝶阀、信号蝶阀、电动蝶阀、气动蝶阀、蝶式止回阀、沟槽闸阀等50余种型号600多个规格、均按照国家标准生产及定做异型阀门并取得ISO9000系列标准认证。一九九九年被天津市技术*评为“天津市振兴质量示范企业示范产品”的光荣称号，产品广泛适用污水、水、油、蒸汽等介质。
简介
本蝶阀适用于温度≤80°C，用于石油、化工、食品、医药、轻纺、造纸、电力、给排水、气体管路上，作调节流量和截流介质的作用。具有补偿管道热胀冷缩的功能。
This butterfly valve is suitable to temperature≤80°C,is used on petroleum，chemical industry foodstuff medicine gently the spinning and papermaking，power，plumbing and gas pipe route,and does the effect adjusted the volume of flow and dams a river the medium. Possess the bloated cold function that contracts of compensation pipeline heat.
特点
1、设计新颖、合理、结构*、重量轻、操作方便、起闭迅速。
2、本伸缩蝶阀既能起到调节流量和截流作用，又能补偿管道温差所产生的热胀冷缩功能，同时也便于安装和拆卸，为一阀多用产品。
1.The design is new and original and reasonable and the structure is unique and is light in weight and operates makes things convenient for and it is rapid case to close.
2.This stretch butterfly valve can act to adjust the volume of flow with damming a river the effect，to compensate that the pipeline difference in temperature is given rise to again hot expands to cool contracts the function，and but also being easy to at the same time install and dismanes，uses the product for one valve more.
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