产品展示
J41W-16P法兰截止阀
所属分类:通用阀门系列
详细介绍

▲产品特点

法兰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内,操作力所需要克服的阻力,是阀杆和填料的磨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后,法兰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。

▲压力试验

公称压力(MPa)试验压力(MPa)
壳体密封(水)密封(气)上密封
1.62.41.80.61.8
2.53.82.82.8
4.06.04.44.4
6.49.67.07.0
10.015.011.011.0

▲外形尺寸

DN(mm)连接尺寸(mm)外形尺寸(mm)
LDD1D2fbZ-ΦdH手D0H电电动装置
J41W-16P(P3、P8、R、R3、R8) J941W-16P(P3、P8、R、R3、R8)
101309060402144-14198120--
151309565452144-14218120--
2015010575552164-14258140--
2516011585652164-14275160--
32180135100782184-18280180--
40200145110853184-18330200--
502301601251003204-18350220645DZW10I
652901801451203204-18400240690DZW10I
803101951601353204-18455280715DZW10
1003502151801553228-18475320770DZW15
1254002452101853228-18490350780DZW20
1504802802402103248-18510400810DZW30
2006003352952653248-23710400967DZW45
25065040535532032612-257864501143DZW60
30075046041037542812-259255001292DZW90

▲外形尺寸

DN(mm)连接尺寸(mm)外形尺寸(mm)
LDD1D2fbZ-ΦdH手D0H电电动装置
J41W-25P(P3、P8、R、R3、R8) J941W-25P(P3、P8、R、R3、R8)
101309060402144-14198120--
151309565452144-14218120--
2015010575552164-14258140--
2516011585652164-14275160--
32180135100783184-18280180--
40200145110853184-18330220--
502301601251003204-18350240645DZW10I
652901801451203228-18400280690DZW10I
803101951601353248-18455280715DZW15
1003502301901603248-22475320770DZW20
1254002702201883268-26490360780DZW30
1504803002502183288-26510400810DZW45
20060035531027833012-26710400967DZW60
25065042537033233212-307864501143DZW90
30075048543039033416-309255001292DZW120

▲外形尺寸

DN(mm)连接尺寸(mm)外形尺寸(mm)
LDD1D2D6ff2bZ-ΦdH手D0H电电动装置
J41W-40P(P3、P8、R、R3、R8) J941W-40P(P3、P8、R、R3、R8)
101309060403543144-14198120--
151309565454043144-14233120--
2015010575555143164-14275140--
2516011585655843164-14285160--
32180135100786643184-18302180--
40200145110857643184-18355200--
502301601251008843204-18373240645DZW10I
6529018014511811043228-18408280690DZW10I
8031019516013512143248-18436320715DZW20I
1003502301901601504.53.5248-23480360770DZW30
1254002702201881764.53.5268-25558400782DZW45
1504803002502182044.53.5288-25611400875DZW60
2006003753202822604.53.53412-307204001160DZW90I