截止阀（stop valve/globe valve）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。
不锈钢阀门主要零件材质
|
零件名称 Part Name |
ZG1Cr18Ni9T |
ZGOOCr18Ni10 |
ZG1Cr18Ni12Mo |
zgoocR17nI14mO2 |
WCB |
|
阀体/阀盖 Body/Cap |
OCr18Ni9 |
OOCr18Ni10 |
OOCr18Ni9Mo2 |
OOCr18Ni10Mo2 |
WCB |
|
阀瓣 Valve Piece |
OCr18Ni9 |
OOCr18Ni10 |
OOCr18Ni9Mo2 |
OOCr18Ni10Mo2 |
1Cr3 |
|
阀杆Stem |
OCr18Ni9 |
OOCr18Ni10 |
OOCr18Ni9Mo2 |
OOCr18Ni10Mo2 |
1Cr3 |
|
阀杆螺母 Vailve Pole Nut |
铝青铜Aluminium Bronze |
||||
|
填料 Stem Packing |
PTFE编织 |
PTFE编织 |
PTFE编织 |
PTFE编织 |
石墨Graphite |
|
垫片 Gasket |
304+PTFE |
304L+PTFE |
316+PTFE |
316L+PTFE |
石墨+304 |
|
螺栓 Bolt |
不锈钢 Stainless Steel |
34GtMoA |
|||
|
螺母 Nut |
不锈钢 Stainless Steel |
45 |
|||
|
手轮 HandWheel |
球墨铸铁、铸钢 Nodular Cast lron And Cast Steel |
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主要连接尺寸
|
型号 Type |
公称通径 |
尺寸（mm） |
|||||||
|
L |
D |
D1 |
D2 |
b-f |
Z-φd |
H |
D0 |
||
|
J41W-16 |
15 |
130 |
95 |
65 |
45 |
14-2 |
4-14 |
195 |
100 |
|
20 |
150 |
105 |
75 |
55 |
14-2 |
4-14 |
215 |
120 |
|
|
25 |
160 |
115 |
85 |
65 |
14-2 |
4-14 |
240 |
140 |
|
|
32 |
180 |
135 |
100 |
78 |
16-2 |
4-18 |
250 |
160 |
|
|
40 |
200 |
145 |
110 |
85 |
16-3 |
4-18 |
285 |
200 |
|
|
50 |
230 |
160 |
125 |
100 |
16-3 |
4-18 |
300 |
220 |
|
|
65 |
290 |
180 |
145 |
120 |
18-3 |
4-18 |
345 |
240 |
|
|
80 |
310 |
195 |
160 |
135 |
20-3 |
8-18 |
350 |
280 |
|
|
100 |
350 |
215 |
180 |
155 |
20-3 |
8-18 |
410 |
320 |
|
|
125 |
400 |
245 |
210 |
185 |
22-3 |
8-18 |
470 |
350 |
|
|
150 |
480 |
280 |
240 |
210 |
24-3 |
8-23 |
495 |
400 |
|
|
200 |
600 |
335 |
295 |
265 |
26-3 |
12-23 |
580 |
450 |
|
|
250 |
650 |
405 |
355 |
320 |
30-3 |
12-25 |
680 |
550 |
|
|
300 |
750 |
460 |
410 |
375 |
30-3 |
12-25 |
850 |
600 |
|
|
J41W-25 |
15 |
130 |
95 |
65 |
45 |
16-2 |
4-14 |
195 |
100 |
|
20 |
150 |
105 |
75 |
55 |
16-2 |
4-14 |
215 |
120 |
|
|
25 |
160 |
115 |
85 |
65 |
16-2 |
4-14 |
240 |
140 |
|
|
32 |
180 |
135 |
100 |
78 |
18-2 |
4-18 |
250 |
160 |
|
