硬密封球阀采用单斜面弹性密封圈或V型槽弹性密封圈结构设计,当介质压力太小时,密封圈与球体的接触面积较小,故有较大的密封比压,确保可靠密封,介质压力较大时,密封圈与球体接触面积增大,故密封圈能受较大的介质推力而不会损坏。由于聚四乙烯等密封圈材料具有良好的自润滑性,与球体的摩擦损小,故球阀的使用寿命长。
主要零件 |
阀体 |
WCB |
ZG1Cr18Ni9Ti |
CF8(304) |
CF3(304L) |
ZG1Cr18NT 12Mo2Ti
|
CF8(316) |
CF3M(316L) |
球体、阀杆 |
2Cr13 |
1Cr18Ni9Ti |
OCr18Ni9 (304) |
00Cr19Ni11 (304L) |
1Cr18Ni 12Mo2Ti
|
0CR17Ni 12Mo2(316)
|
00Cr17Ni 14Mo2(316L) |
密封圈 |
特种硬化材料 |
填料、垫圈 |
柔性石墨环 柔性石墨缠绕垫 |
适用工况 |
适用介质 |
高温的或含有颗粒等介质 |
适用温度 |
|
应用规范 |
设计制造按 |
GB122237-89 |
API6D |
JPI7S-48 | |
法兰迟寸按 |
JB79-59、GB9113、HG20592-97 |
ANSI B16.5 |
JIS B2212-2214 | |
结构长度按 |
GB12221-89 |
ANSI B16.10 |
JIS B2002 | |
检验试验按 |
GB/T13927-89 JB/T9092-99 |
API598 |
API598 | |
Q41硬(软)密封球阀主要连接尺寸(JB规格)
型号 |
公称通径 Dn (mm) |
尺 寸 (mm) |
L |
D |
Dl |
D2 |
B-f |
Z-φd |
H |
DO |
Q41H-16P |
15 |
130 |
96 |
86 |
46 |
14-2 |
4-14 |
60 |
108 |
20 |
140 |
105 |
75 |
65 |
14-2 |
4-14 |
64 |
120 |
25 |
150 |
165 |
85 |
65 |
16-2 |
4-14 |
90 |
165 |
32 |
165 |
135 |
100 |
78 |
16-2 |
4-18 |
105 |
180 |
40 |
180 |
146 |
110 |
85 |
18-3 |
4-18 |
150 |
24O |
50 |
200 |
160 |
126 |
100 |
18-3 |
4-18 |
190 |
240 |
65 |
220 |
180 |
145 |
120 |
18-3 |
4-18 |
195 |
320 |
80 |
260 |
195 |
160 |
135 |
20-3 |
8-18 |
216 |
360 |
100 |
280 |
216 |
180 |
165 |
20-3 |
8-18 |
260 |
400 |
125 |
320 |
246 |
210 |
186 |
22-3 |
8-18 |
280 |
500 |
150 |
360 |
280 |
2lO |
210 |
2l-3 |
8-23 |
320 |
600 |
200 |
400 |
335 |
295 |
265 |
26-3 |
12-23 |
370 |
800 |
250 |
450 |
406 |
355 |
320 |
3O-33 |
12-25 |
|
|
型号 |
公称通径 Dn (mm) |
尺 寸 (mm) |
L |
D |
Dl |
D2 |
B-f |
Z-φd |
H |
Do |
Q41H-25P |
15 |
130 |
95 |
65 |
45 |
14-2 |
4-14 |
60 |
108 |
20 |
14O |
105 |
75 |
55 |
14-2 |
4-14 |
64 |
120 |
25 |
150 |
115 |
85 |
B5 |
16-2 |
l-14 |
90 |
165 |
32 |
165 |
136 |
100 |
78 |
16-2 |
4-18 |
106 |
180 |
4O |
180 |
146 |
110 |
85 |
18-3 |
4-18 |
160 |
24O |
50 |
200 |
160 |
126 |
100 |
20-3 |
4-18 |
205 |
270 |
65 |
220 |
180 |
145 |
120 |
22-3 |
8-18 |
215 |
360 |
80 |
260 |
195 |
160 |
136 |
22-3 |
8-18 |
230 |
4OO |
100 |
280 |
230 |
190 |
165 |
24-3 |
8-23 |
270 |
500 |
125 |
S20 |
270 |
220 |
188 |
28-3 |
8-26 |
300 |
600 |
150 |
360 |
300 |
260 |
218 |
30-3 |
8-26 |
340 |
900 |
200 |
400 |
360 |
310 |
278 |
34-3 |
12-26 |
4OO |
1100 |
260 |
457 |
425 |
370 |
332 |
36-3 |
12-30 |
|
|
型号 |
公称通径 Dn (mm) |
尺 寸 (mm) |
L |
D |
D1 |
D2 |
B-f |
B-f |
Z-φd |
H |
Q41H-40P |
15 |
130 |
96 |
66 |
46 |
40 |
16-2 |
4-14 |
80 |
20 |
140 |
105 |
75 |
65 |
5l |
16--2 |
4-14 |
66 |
25 |
150 |
116 |
85 |
65 |
58 |
16-2 |
4-14 |
90 |
32 |
180 |
135 |
100 |
78 |
66 |
18_S |
4-18 |
105 |
40 |
200 |
145 |
110 |
85 |
76 |
20-3 |
4-18 |
170 |
50 |
220 |
160 |
125 |
100 |
88 |
20-3 |
4-18 |
230 |
65 |
260 |
180 |
146 |
120 |
IIO |
22-3 |
8-18 |
250 |
80 |
280 |
195 |
160 |
135 |
12l |
22-3 |
8-18 |
250 |
100 |
320 |
230 |
190 |
160 |
150 |
24-3 |
8-23 |
296 |
125 |
400 |
270 |
220 |
188 |
176 |
28-3 |
8-25 |
330 |
150 |
400 |
300 |
250 |
218 |
204 |
30-3 |
8-26 |
376 |
200 |
457 |
376 |
320 |
282 |
260 |
38-3 |
12-30 |
440 |
250 |
533 |
446 |
385 |
346 |
313 |
42-3 |
12-3l |
|
Q41硬(软)密封球阀主要连接尺寸(GB)
DN |
L |
D |
K |
d |
d-L |
f |
C |
40 |
165 |
150 |
110 |
84 |
4-18 |
2 |
18 |
50 |
203 |
165 |
125 |
99 |
4-18 |
2 |
20 |
65 |
222 |
185 |
145 |
118 |
4-18 |
2 |
20 |
80 |
241 |
200 |
160 |
132 |
4-18 |
2 |
20 |
100 |
305 |
220 |
180 |
156 |
4-18 |
2 |
22 |
125 |
356 |
250 |
210 |
184 |
4-18 |
2 |
22 |
150 |
394 |
285 |
240 |
211 |
8-22 |
2 |
24 |
200 |
457 |
340 |
295 |
266 |
12-22 |
2 |
24 |
PN2.5MPa
DN |
L |
D |
K |
d |
d-L |
f |
C |
40 |
165 |
150 |
110 |
84 |
4-18 |
2 |
18 |
50 |
203 |
165 |
125 |
99 |
4-18 |
2 |
20 |
65 |
222 |
185 |
145 |
118 |
4-18 |
2 |
22 |
80 |
241 |
200 |
160 |
132 |
8-18 |
2 |
24 |
100 |
305 |
235 |
190 |
156 |
8-22 |
2 |
24 |
125 |
356 |
270 |
220 |
184 |
8-26 |
2 |
26 |
150 |
394 |
300 |
250 |
211 |
8-26 |
2 |
28 |
200 |
457 |
360 |
310 |
274 |
12-26 |
2 |
30 |
NP4.0MPa
DN |
L |
D |
K |
d |
d-L |
Y |
f1 |
f2 |
C |
40 |
200 |
150 |
110 |
84 |
4-18 |
86 |
4 |
3 |
18 |
50 |
230 |
165 |
125 |
99 |
4-18 |
88 |
4 |
3 |
20 |
65 |
290 |
185 |
145 |
118 |
8-18 |
110 |
4 |
3 |
22 |
80 |
310 |
200 |
160 |
132 |
8-18 |
121 |
4 |
3 |
24 |
100 |
350 |
235 |
190 |
156 |
8-22 |
15 |
4.5 |
3.5 |
24 |
125 |
381 |
270 |
220 |
184 |
8-26 |
176 |
4.5 |
3.5 |
26 |
150 |
403 |
300 |
250 |
211 |
8-26 |
204 |
4.5 |
3.5 |
20 |
200 |
502 |
375 |
320 |
284 |
12-30 |
260 |
4.5 |
3.5 |
34 |
NP6.3MPa
DN |
L |
D |
K |
d |
d-L |
Y |
f1 |
f2 |
C |
40 |
241 |
170 |
125 |
84 |
4-22 |
76 |
4 |
3 |
26 |
50 |
292 |
180 |
135 |
99 |
4-22 |
88 |
4 |
3 |
26 |
65 |
330 |
205 |
160 |
118 |
8-22 |
110 |
4 |
3 |
26 |
80 |
356 |
215 |
170 |
123 |
8-22 |
121 |
4 |
3 |
28 |
100 |
432 |
250 |
200 |
156 |
8-26 |
150 |
4.5 |
3.5 |
30 |
125 |
508 |
295 |
240 |
184 |
8-30 |
176 |
4.5 |
3.5 |
34 |
150 |
559 |
345 |
280 |
211 |
8-33 |
204 |
4.5 |
3.5 |
36 |
200 |
660 |
415 |
345 |
284 |
12-36 |
260 |
4.5 |
3.5 |
43 | |