HH47X、HH48X、HH49XHH47X、HH48X、HH49X微阻缓闭蝶型消声止回阀
面议HH47X、HH48X、HH49XHH47X、HH48X、HH49X微阻缓闭蝶型消声止回阀
面议H42WH42W底阀止回阀
面议JHL41HJHL41H截止止回多用阀
面议ZHYH46ZHYH46微阻缓闭蝶形止回阀
面议Y型Y型快闭止回阀.
面议H74H(X)H74H(X)对夹圆片式止回阀
面议HC44X(SFCV)HC44X(SFCV)橡胶瓣止回阀
面议HH46X、HH48X、HH49XHH46X、HH48X、HH49X微阻缓闭止回阀
面议HH47XHH47X微阻缓闭消声止回阀
面议HH44XHH44X微阻缓闭止回阀
面议H76H76对夹蝶形止回阀
面议H72YH72Y对夹式高压止回阀
面议