J941H-16C DN125电动法兰式截止阀 简介 J941H电动截止阀属于强制密封式阀门,所以在阀门关闭时,必须向阀瓣施加压力,以强制密封面不泄漏。当介质由阀瓣下方进入阀门时,操作力所需要克服的阻力,是阀杆和填料的摩擦力与由介质的压力所产生的推力,关阀门的力比开阀门的力大,所以阀杆的直径要大,否则会发生阀杆**弯的故障。近年来,从自密封的阀门出现后,截止阀的介质流向就改由阀瓣上方进入阀腔,这时在介质压力作用下,关阀门的力小,而开阀门的力大,阀杆的直径可以相应地减少。同时,在介质作用下,这种形式的阀门也较严密。我国阀门“三化给”曾规定,截止阀的流向,一律采用自上而下。 结构特点 1、选材考究,符合国内、外相关标准,结构合理,造型美观。 2、阀瓣、阀座密封面采用铁基合金堆焊或司太立(Stellite)钴基硬质合金堆焊而成,耐磨、耐高温、耐腐蚀、抗擦伤性能好,使用寿命长。 4、阀杆经调质及表面氮化处理,有良好的抗腐蚀性和抗擦伤性。 5、可采用各种配管法兰标准及法兰密封面型式,满足各种工程需要及用户要求。 6、阀体材料品种齐全,填料、垫片可根据实际工况或用户要求合理选配,能适用于各种压力、温度及介质工况。 7、倒密封采用螺纹连接密封座或本体堆焊奥氏体不锈钢而成,密封可靠,更换填料可在不停机情况下进行,方便快捷,不影响系统运行。 8、配有DZW系列多回转式电动装置,具有壳体小,重量轻,功能全,并可与远程电脑配套使用,也可按用户要求选配电动装置。 主要型号: J941H-10C DN32,J941H-10C DN40,J941H-10C DN50,J941H-10C DN65,J941H-10C DN80,J941H-10C DN100,J941H-10C DN125,J941H-10CDN150,J941H-10C DN200,J941H-10C DN250,J941H-10C DN300,J941H-10C DN350,J941H-10C DN400,J941H-10C DN450,J941H-10C DN500,J941H-10CDN600,J941H-10C DN700,J941H-10C DN800,J941H-10C DN900 J941H-10C DN1000,J941H-16C DN32,J941H-16C DN40,J941H-16C DN50,J941H-16CDN65,J941H-16C DN80,J941H-16C DN100,J941H-16C DN125,J941H-16C DN150,J941H-16C DN200,J941H-16C DN250,J941H-16C DN300,J941H-16CDN350,J941H-16C DN400,J941H-16C DN450,J941H-16C DN500,J941H-16C DN600,J941H-16C DN700,J941H-16C DN800,J941H-16C DN900,J941H-16CDN1000,J941H-25C DN32,J941H-25C DN40,J941H-25C DN50,J941H-25C DN65, J941H-25C DN80,J941H-25C DN100,J941H-25C DN125,J941H-25CDN150,J941H-25C DN200,J941H-25C DN250,J941H-25C DN300,J941H-25C DN350,J941H-25C DN400, J941H-25C DN450,J941H-25CDN500,J941H-25C DN600,J941H-25C DN700,J941H-25C DN800,J941H-25C DN900,J941H-25C DN1000,J941H-40C DN32,J941H-40C DN40, J941H-40CDN50,J941H-40C DN65,J941H-40C DN80,J941H-40C DN100,J941H-40C DN125,J941H-40C DN150,J941H-40C DN200,J941H-40C DN250,J941H-40CDN300,J941H-40C DN350,J941H-40C DN400,J941H-40C DN450,J941H-40C DN500,J941H-40C DN600,J941H-40C DN700,J941H-40C DN800,J941H-40CDN900,J941H-40C DN1000,J941H-64C DN32,J941H-64C DN40,J941H-64C DN50,J941H-64C DN65,J941H-64C DN80,J941H-64C DN100,J941H-64CDN125,J941H-64C DN150,J941H-64C DN200,J941H-64C DN250,J941H-64C DN300,J941H-64C DN350,J941H-64C DN400,J941H-64C DN450,J941H-64CDN500,J941H-64C DN600,J941H-64C DN700,J941H-64C DN800,J941H-64C DN900,J941H-64C DN1000,J941H-100C DN32,J941H-100CDN40,J941H-100C DN50,J941H-100C DN65,J941H-100C DN80,J941H-100C DN100,J941H-100C DN125,J941H-100C DN150,J941H-100C DN200, J941H-100C DN250,J941H-100C DN300,J941H-100C DN350,J941H-100C DN400, J941H-100C DN450,J941H-100C DN500,J941H-100C DN600,J941H-100C DN700, J941H-100C DN800,J941H-100C DN900,J941H-100C DN1000