详细介绍
上海永鹏机械生产的止回阀分类:美标止回阀、法兰止回阀、高压止回阀、旋启式止回阀、升降式止回阀、不锈钢止回阀、对夹式止回阀、升降式、缓冲式止回阀、自密封止回阀、柱塞止回阀、重锤止回阀、止逆阀止回阀、止回阀体、蒸汽止回阀、真空止回阀、圆型止回阀、宇明止回阀、油烟机止回阀、液压止回阀、氧气用止回阀、烟道止回阀、鸭嘴止回阀等特点旋启式法兰止回阀主要采用铸钢材质的阀体,只供防止各路式设备上的介质逆流的单向启闭用。旋启式法兰止回阀是靠介质压力而自行开启或关闭的。旋启式法兰止回阀只能竖装,不能横装,旋启止回阀靠介质向阀瓣旋启方向流动为开启,反之则关闭。主要性能规范型号公称压力PN(MPa)试验压力(MPa)适用温度(℃)适用介质壳体密封H44H-16016.024.016.0≤425水、蒸汽、石油、石油产品等H44H-25025.038.025.0H44Y-20020.030.020.060氢油H44Y-25025.038.025.0-40~100油品主要零件材料零件名称阀体、摇杆阀瓣、螺母阀盖销轴、四开环螺栓密封面H44H-160碳素铸钢碳钢碳素铸钢不锈钢铬钼钢柔性石墨H44H-250碳钢H44Y-200H44Y-250主要尺寸及重量H44H-160型主要尺寸及重量公称通径 DN/mm尺寸/mm重量 /㎏LDD1D2D8bfb4f3Z-фdDoH50300215165132953631288-ф2514221044.5653402451901521104431288-ф3016122754.7803802602051681304631288-ф3018023567.51004303002402001604831288-ф34210274101.5150550390318270205663141012-ф41300340220.6200650480400345275783171112-ф483753744043009006655705103801003231416-ф544805051019