J44W-64P DN6高压直角型截止阀又叫做J44W-64P DN6高压直角形截止阀,J44W-64P DN6高压角式截止阀,法兰角式针型截止阀,高压直角阀,手动角阀,高压法兰角式截止阀,直角式截止阀,角式针型阀,法兰截止阀,手动截止阀,不锈钢截止阀,不锈钢针型阀,不锈钢仪表阀,高压针型截止阀,直角式针型截止阀,法兰针型阀,高压针型阀,高压截止阀,高压仪表阀,高温针型截止阀,316不锈钢针型截止阀,法兰仪表阀,蒸汽针型截止阀,角式仪表阀,高压法兰针型阀,不锈钢法兰角式针型阀,不锈钢法兰角式截止阀,304法兰截止阀,手动法兰截止阀,针型阀,针形阀,针阀,针形阀门。此阀型号还有J44W-16P,J44W-25P,J44W-32P,J44W-40P,J44W-64P,J44W-160P,J44W-320P,J44W-100P,J44W-250P,J44W-200P,J44W-420P,J44H-16P,J44H-25P,J44H-32P,J44H-40P,J44H-64P,J44H-160P,J44H-320P,J44H-100P,J44H-250P,J44H-200P,J44H-420P,J44H-16,J44H-25,J44H-32,J44H-40,J44H-64,J44H-160,J44H-320,J44H-100,J44H-250,J44H-200,J44H-420,J44H-16C,J44H-25C,J44H-32C,J44H-40C,J44H-64C,J44H-160C,J44H-320C,J44H-100C,J44H-250C,J44H-200C,J44H-420C,J44W-16R,J44W-25R,J44W-32R,J44W-40R,J44W-64R,J44W-160R,J44W-320R,J44W-100R,J44W-250R,J44W-200R,J44W-420R,DN3,DN4,DN5,DN6,DN8,DN10,DN15,DN20,DN25。J44W-16P DN3,J44W-25P DN3,J44W-40P DN3,J44W-64P DN3,J44W-160P DN3,J44W-250P DN3,J44W-320P DN3,J44W-100P DN3,J44W-420P DN3,J44W-16P DN6,J44W-25P DN6,J44W-40P DN6,J44W-64P DN6,J44W-160P DN6,J44W-250P DN6,J44W-320P DN6,J44W-100P DN6,J44W-420P DN6,J44W-16P DN10,J44W-25P DN10,J44W-40P DN10,J44W-64P DN10,J44W-160P DN10,J44W-250P DN10,J44W-320P DN10,J44W-100P DN10,J44W-420P DN10,J44W-16P DN15,J44W-25P DN15,J44W-40P DN15,J44W-64P DN15,J44W-160P DN15,J44W-250P DN15,J44W-320P DN15,J44W-100P DN15,J44W-420P DN15。
J44W-64P DN6高压直角型截止阀的启闭件是塞形的阀瓣,密封面呈平面或锥面,阀瓣沿流体的中心线作直线运动。阀杆的运动形式,有升降杆式(阀杆升降,手轮不升降),也有升降旋转杆式(手轮与阀杆一起旋转升降,螺母设在阀体上)。截止阀只适用于全开和全关,不允许作调节和节流。
J44W-64P DN6高压直角型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,否则会发生阀杆顶弯的故障。近年来,从自密封的阀门出现以后,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小。同时,在介质作用下,这种形式的阀门也较严密。我国阀门“三化组”曾规定,截止阀的流向,一律采用自上而下。截止阀开启时,阀瓣的开启高度,为公称直径的25%~30%时,流量已达到最大,表示阀门已达全开位置。所以截止阀的全开位置,应由阀瓣的行程来决定。
二、J44W-64P DN6高压直角型截止阀技术参数:
设计与制造符合中国国家标准:
1、基本结构形式:角式;
2、公称压力:PN1.6-42.0(MPa);
3、公称通径:DN3-25(mm)。
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