对夹式蝶阀止回阀采用国外先进结构设计，符合有关国际标准系属节能型产品。此产品止回性能好、安全、可靠、流阻小，主要适用于石油、化工、食品、医药、轻纺、造纸、给排水、冶冻及能源等系统，作为单向阀使用。
Wafer butterfly check valve a save-energv product，is manufactured based on the foreign advanced technology and in accordance with relative international standards.This product is featured by excellent retaining performance，high safety and reliability and low flow resitance.it is suitable for systems in the industries of perochemical，food processing，medicine，textile，paper-making，water supply and drainage，metallurgy，energy and lightindustry etc used as a check valve in one way.