国标法兰碳钢球阀概述：
标准
设计与制造按GB/T12237
结构长度按GB/T12221
法兰连接尺寸按JB/T79
检验按JB/T9092
试验项目 |
壳体试验 |
密封试验 |
上密封试验 |
气密封试验 |
|
介质 |
水 |
气 |
|||
单位 |
MPa |
MPa |
MPa |
MPa |
|
公称压力PN(MPa) |
1.6 |
2.4 |
1 8 |
1 8 |
0.5-0.7 |
2.5 |
3.8 |
2.8 |
2.8 |
||
4.0 |
6.0 |
4.4 |
4.4 |
||
6.4 |
9.6 |
7.0 |
7.0 |
||
10.0 |
15.0 |
11.0 |
11.0 |
||
16.0 |
24.0 |
18.0 |
18.0 |
||
主要零件材料
名称 |
材料 |
||||||||
阀体 /阀盖 |
CF8 |
CF3 |
CF8M |
CF3M |
WCB |
LCB |
WC6 |
WC9 |
C5 |
球体 |
CF8 |
CF3 |
CF8M |
CF3M |
WCB HCr |
CF8 |
CF8 |
CF8 |
CF8 |
阀杆 |
F304 |
F304L |
F316 |
F316L |
2C13 |
F304 |
F304 |
F304 |
F304 |
阀座 |
PTFE/PPL |
||||||||
填料 /垫片 |
PTFE/PPL |
石墨 |
|||||||
螺栓 |
不锈钢 |
35CrMoA |
|||||||
螺母 |
不锈钢 |
45、35CrMoA |
|||||||
手柄 |
铸钢 |
||||||||
主要连接尺寸
型号 |
公称通径 DN(mm) |
尺寸(mm) |
|||||||
L |
D |
D1 |
D2 |
b-f |
z-Φd |
H |
W |
||
Q41C-16 Q341C-16 Q641C-16 |
15 |
130 |
95 |
65 |
45 |
14-2 |
4-Φ14 |
65 |
115 |
20 |
140 |
105 |
75 |
55 |
14-2 |
4-Φ14 |
75 |
130 |
|
25 |
150 |
115 |
85 |
65 |
14-2 |
4-Φ14 |
85 |
150 |
|
32 |
165 |
135 |
100 |
78 |
16-2 |
4-Φ18 |
95 |
190 |
|
40 |
180 |
145 |
110 |
85 |
16-3 |
4-Φ18 |
105 |
230 |
|
50 |
200 |
160 |
125 |
100 |
16-3 |
4-Φ18 |
115 |
240 |
|
65 |
220 |
180 |
145 |
120 |
18-3 |
4-Φ18 |
145 |
280 |
|
80 |
250 |
195 |
160 |
135 |
20-3 |
8-Φ18 |
160 |
310 |
|
100 |
280 |
215 |
180 |
155 |
20-3 |
8-Φ18 |
185 |
330 |
|
125 |
320 |
245 |
210 |
185 |
22-3 |
8-Φ18 |
215 |
600 |
|
150 |
360 |
280 |
240 |
210 |
24-3 |
8-中23 |
245 |
800 |
|
200 |
400 |
335 |
295 |
265 |
26-3 |
12-Φ23 |
300 |
1000 |
|
250 |
450 |
405 |
355 |
320 |
30-3 |
12-Φ25 |
380 |
1200 |
|
主要连接尺寸
型号 |
公称通径 DN(mm) |
尺寸(mm) |
|||||||
L |
D |
D1 |
D2 |
b-f |
z-Φd |
H |
W |
||
Q41C-25 Q341-25 Q641C-25 |
15 |
130 |
95 |
65 |
45 |
14-2 |
4-Φ14 |
65 |
115 |
20 |
140 |
105 |
75 |
55 |
14-2 |
4-Φ14 |
75 |
130 |
|
25 |
150 |
115 |
85 |
65 |
14-2 |
4-Φ14 |
85 |
150 |
|
32 |
165 |
135 |
100 |
78 |
16-2 |
4-Φ18 |
95 |
190 |
|
40 |
180 |
145 |
110 |
85 |
18-3 |
4-Φ18 |
105 |
230 |
|
50 |
200 |
160 |
125 |
100 |
20-3 |
4-Φ18 |
115 |
240 |
|
65 |
220 |
180 |
145 |
120 |
22-3 |
8-Φ18 |
145 |
280 |
|
80 |
250 |
195 |
160 |
135 |
22-3 |
8-Φ18 |
160 |
310 |
|
100 |
280 |
230 |
190 |
160 |
24-3 |
8-Φ23 |
185 |
330 |
|
125 |
320 |
270 |
220 |
188 |
28-3 |
8-Φ25 |
215 |
600 |
|
150 |
360 |
300 |
250 |
218 |
30-3 |
8-Φ25 |
245 |
800 |
|
200 |
400 |
360 |
310 |
278 |
34-3 |
12-Φ25 |
300 |
1000 |
|
250 |
450 |
425 |
370 |
332 |
36-3 |
12-Φ30 |
380 |
1200 |
|
主要连接尺寸
型号 |
公称通径 DN(mm) |
尺寸 (mm) |
||||||||
L |
D |
D1 |
D2 |
D6 |
b-f |
z-Φd |
H |
W |
||
Q41C-40 Q341C-40 Q641C-40 |
15 |
130 |
95 |
65 |
45 |
40 |
16-2 |
4-Φ14 |
70 |
115 |
20 |
140 |
105 |
75 |
55 |
51 |
16-2 |
4-Φ14 |
80 |
130 |
|
25 |
150 |
115 |
85 |
65 |
58 |
16-2 |
4-Φ14 |
90 |
150 |
|
32 |
180 |
135 |
100 |
78 |
66 |
18-3 |
4-Φ18 |
100 |
190 |
|
40 |
200 |
145 |
110 |
85 |
76 |
18-3 |
4-Φ18 |
110 |
230 |
|
50 |
220 |
160 |
125 |
100 |
88 |
20-3 |
4-Φ18 |
120 |
240 |
|
65 |
250 |
180 |
145 |
120 |
110 |
22-3 |
8-Φ18 |
150 |
280 |
|
80 |
280 |
195 |
160 |
135 |
121 |
22-3 |
8-Φ18 |
170 |
310 |
|
100 |
320 |
230 |
190 |
160 |
150 |
24-3 |
8-Φ23 |
190 |
330 |
|
125 |
360 |
270 |
220 |
188 |
176 |
28-3 |
8-Φ25 |
220 |
600 |
|
150 |
400 |
300 |
250 |
218 |
204 |
30-3 |
8-Φ25 |
250 |
800 |
|
200 |
550 |
375 |
320 |
282 |
260 |
38-3 |
12-Φ30 |
390 |
1200 |
|
主要连接尺寸
型号 Type |
公称通径 DN(mm) |
尺寸(mm) |
||||||||
L |
D |
D1 |
D2 |
D6 |
b-f |
z-Φd |
H |
W |
||
Q41C-64 Q341-64 Q641C-64 |
15 |
140 |
105 |
75 |
55 |
40 |
18-2 |
4-Φ14 |
75 |
115 |
20 |
160 |
125 |
90 |
68 |
51 |
20-2 |
4-Φ18 |
85 |
130 |
|
25 |
180 |
135 |
100 |
78 |
58 |
22-2 |
4-Φ18 |
95 |
150 |
|
32 |
200 |
150 |
110 |
82 |
66 |
24-2 |
4-Φ23 |
105 |
190 |
|
40 |
220 |
165 |
125 |
95 |
76 |
24-3 |
4-Φ23 |
120 |
230 |
|
50 |
250 |
175 |
135 |
105 |
88 |
26-3 |
4-Φ23 |
130 |
240 |
|
65 |
280 |
200 |
160 |
130 |
110 |
28-3 |
8-Φ23 |
160 |
280 |
|
80 |
320 |
210 |
170 |
140 |
121 |
30-3 |
8-Φ23 |
180 |
310 |
|
100 |
360 |
250 |
200 |
168 |
150 |
32-3 |
8-Φ25 |
200 |
330 |
|
125 |
381 |
295 |
240 |
202 |
176 |
36-3 |
8-Φ30 |
230 |
600 |
|
150 |
403 |
340 |
280 |
240 |
204 |
38-3 |
8-Φ34 |
260 |
800 |
|
200 |
502 |
405 |
345 |
300 |
260 |
44-3 |
12-Φ34 |
400 |
1200 |
|
