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J41W铸钢法兰截止阀特点、优点:
1) 结构简单,制造和维修比较方便
2) 工作行程小,启闭时间短
3) 密封性好,密封面间磨擦力小,寿命较长
1. 与闸阀相比,截止阀的结构较简单,制造与维修都较方便。
2. 密封面不易磨损、擦伤,密封性较好,寿命较长。
3. 启闭时阀瓣行程较小,启闭时间较短,阀门高度较小。
试验标准(单位MPa):
公称压力 |
1.6 |
2.5 |
4 |
6.4 |
10 |
16 |
强度试验 |
2.4 |
3.8 |
6 |
9.6 |
15 |
24 |
水密封试验 |
1.8 |
2.8 |
4.4 |
7.4 |
11 |
18 |
上密封试验 |
1.8 |
2.8 |
4.4 |
7.04 |
11 |
18 |
气密封试验 |
0.4-0.7 |
主要性能参数:
型号 |
J41H-16C~160C |
J41Y-16C~160C |
J41W-16P~160P |
|
工作压力(MPa) |
1.6~16.0 |
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适用温度(℃) |
≤425 |
≤150 |
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适用介质 |
水、蒸汽、油品 |
弱腐蚀性介质 |
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材料 |
阀体、阀盖 |
碳素钢 |
铬镍钛不锈钢 |
|
阀杆 |
铬不锈钢 |
铬镍钛不锈钢 |
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密封面 |
堆焊铁基合金 |
堆焊硬基合金 |
本体材料 |
|
填料 |
石棉石墨、柔性石墨、聚四氟乙烯 |
J41W铸钢法兰截止阀产品外形与结构尺寸:
l.6MPa |
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1.6MPa |
DN |
L |
D |
D1 |
D2 |
b |
n-Φd |
H |
D0 |
|
凸面法兰 |
10 |
130 |
90 |
60 |
40 |
14 |
4-Φ14 |
198 |
120 |
|
RF |
15 |
130 |
95 |
65 |
45 |
14 |
4-Φ14 |
218 |
120 |
|
J41H |
20 |
150 |
105 |
75 |
55 |
14 |
4-Φ14 |
258 |
140 |
|
J41Y |
25 |
160 |
115 |
85 |
65 |
14 |
4-Φ14 |
275 |
140 |
|
J41W |
32 |
180 |
135 |
100 |
78 |
16 |
4-Φ18 |
280 |
160 |
|
J41F |
40 |
200 |
145 |
110 |
85 |
16 |
4-Φ18 |
330 |
180 |
|
J41N |
50 |
230 |
160 |
125 |
100 |
16 |
4-Φ18 |
350 |
200 |
|
16C |
65 |
290 |
180 |
145 |
120 |
18 |
4-Φ18 |
370 |
280 |
|
16P |
80 |
310 |
195 |
160 |
135 |
20 |
8-Φ18 |
400 |
280 |
|
16R |
100 |
350 |
215 |
180 |
155 |
20 |
8-Φ18 |
415 |
320 |
|
16I |
125 |
400 |
245 |
210 |
185 |
22 |
8-Φ18 |
460 |
360 |
|
|
150 |
480 |
280 |
240 |
210 |
24 |
8-Φ23 |
510 |
450 |
|
|
200 |
600 |
335 |
295 |
265 |
26 |
12-Φ23 |
710 |
500 |
|
|
250 |
650 |
405 |
335 |
320 |
30 |
12-Φ25 |
786 |
550 |
|
|
300 |
750 |
460 |
410 |
375 |
30 |
12-Φ25 |
925 |
600 |
|
2.5MPa |
||||||||||
2.5MPa |
DN |
L |
D |
D1 |
D2 |
b |
n-Φd |
H |
D0 |
|
|
10 |
130 |
90 |
60 |
40 |
16 |
4-Φ14 |
198 |
120 |
|
|
15 |
130 |
95 |
65 |
45 |
16 |
4-Φ14 |
218 |
120 |
|
J41H |
20 |
150 |
105 |
75 |
55 |
16 |
4-Φ14 |
258 |
140 |
|
J41Y |
25 |
160 |
115 |
85 |
65 |
16 |
4-Φ14 |
275 |
140 |
|
J41W |
32 |
180 |
135 |
100 |
78 |
18 |
4-Φ18 |
280 |
160 |
|
J41F |
40 |
200 |
145 |
110 |
85 |
18 |
4-Φ18 |
330 |
180 |
|
J41N |
50 |
230 |
160 |
125 |
100 |
20 |
4-Φ18 |
350 |
200 |
|
25C |
65 |
290 |
180 |
145 |
125 |
22 |
8-Φ18 |
400 |
280 |
|
25P |
80 |
310 |
195 |
160 |
135 |
22 |
8-Φ18 |
355 |
280 |
|
25R |
100 |
350 |
230 |
190 |
160 |
24 |
8-Φ23 |
415 |
320 |
|
25I |
125 |
400 |
270 |
220 |
188 |
28 |
8-Φ25 |
460 |
360 |
|
|
150 |
480 |
300 |
250 |
218 |
30 |
8-Φ25 |
510 |
450 |
|
|
200 |
600 |
360 |
310 |
278 |
34 |
12-Φ25 |
710 |
500 |
|
|
250 |
622 |
425 |
370 |
332 |
36 |
12-Φ30 |
786 |
550 |
|
|
300 |
698 |
485 |
430 |
390 |
40 |
16-Φ30 |
925 |
600 |
|
4.0MPa |
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4.0MPa |
DN |
L |
D |
D1 |
D2 |
D6 |
b |
n-Φd |
H |
D0 |
凹凸法兰 |
10 |
130 |
90 |
60 |
41 |
35 |
14 |
4-Φ14 |
198 |
120 |
MFM |
15 |
130 |
95 |
65 |
45 |
40 |
16 |
4-Φ14 |
233 |
120 |
J41H |
20 |
150 |
105 |
75 |
55 |
51 |
16 |
4-Φ14 |
295 |
140 |
J41Y |
25 |
160 |
115 |
85 |
65 |
58 |
16 |
4-Φ14 |
285 |
160 |
J41W |
32 |
180 |
135 |
100 |
78 |
66 |
18 |
4-Φ18 |
302 |
160 |
J41N |
40 |
200 |
145 |
110 |
85 |
76 |
18 |
4-Φ18 |
355 |
200 |
40 |
50 |
230 |
160 |
125 |
100 |
88 |
20 |
4-Φ18 |
373 |
200 |
40P |
65 |
290 |
180 |
145 |
120 |
110 |
22 |
8-Φ18 |
408 |
280 |
40R |
80 |
310 |
195 |
160 |
135 |
121 |
22 |
8-Φ18 |
436 |
280 |
40I |
100 |
350 |
230 |
190 |
160 |
150 |
24 |
8-Φ23 |
480 |
320 |
|
125 |
4001 |
270 |
220 |
188 |
176 |
28 |
8-Φ25 |
588 |
360 |
|
150 |
480 |
300 |
250 |
218 |
204 |
30 |
8-Φ25 |
611 |
400 |
|
200 |
600 |
375 |
320 |
282 |
260 |
38 |
12-Φ30 |
720 |
400 |
6.4MPa |
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6.4MPa |
15 |
170 |
105 |
75 |
55 |
40 |
18 |
4-14Φ |
195 |
400 |
凹凸法兰 |
20 |
190 |
125 |
90 |
68 |
51 |
20 |
4-Φ18 |
228 |
160 |
MFM |
25 |
210 |
135 |
100 |
78 |
58 |
22 |
4-Φ18 |
275 |
180 |
J41H |
32 |
230 |
150 |
110 |
82 |
66 |
24 |
4-Φ23 |
325 |
200 |
J41Y |
40 |
260 |
165 |
125 |
95 |
76 |
24 |
4-Φ23 |
360 |
240 |
J41W |
50 |
300 |
175 |
135 |
105 |
88 |
26 |
4-Φ23 |
410 |
280 |
J41N |
65 |
340 |
200 |
160 |
130 |
110 |
28 |
8-Φ23 |
450 |
320 |
64 |
80 |
380 |
210 |
170 |
140 |
121 |
30 |
8-Φ23 |
485 |
360 |
64P |
100 |
430 |
250 |
200 |
168 |
150 |
32 |
8-Φ25 |
537 |
400 |
64R |
125 |
500 |
295 |
240 |
202 |
176 |
36 |
8-Φ30 |
631 |
400 |
64I |
150 |
550 |
340 |
280 |
240 |
204 |
38 |
8-Φ34 |
646 |
450 |
|
200 |
650 |
405 |
345 |
300 |
260 |
44 |
12-Φ34 |
813 |
500 |
10.0MPa |
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10.0MPa |
10 |
170 |
100 |
70 |
50 |
35 |
20 |
4-Φ14 |
198 |
140 |
凹凸法兰 |
15 |
170 |
105 |
75 |
55 |
40 |
20 |
4-Φ14 |
202 |
140 |
MFM |
20 |
190 |
125 |
90 |
68 |
51 |
22 |
4-Φ18 |
228 |
160 |
J41H |
25 |
210 |
135 |
100 |
78 |
58 |
24 |
4-Φ18 |
250 |
180 |
J41Y |
32 |
230 |
150 |
110 |
82 |
66 |
24 |
4-Φ23 |
326 |
200 |
J41W |
40 |
260 |
165 |
125 |
95 |
76 |
26 |
4-Φ23 |
360 |
240 |
100 |
50 |
300 |
195 |
145 |
112 |
88 |
28 |
4-Φ25 |
414 |
280 |
100P |
65 |
340 |
220 |
170 |
138 |
110 |
32 |
8-Φ25 |
434 |
320 |
100R |
80 |
380 |
230 |
1810 |
148 |
121 |
34 |
8-Φ25 |
547 |
360 |
100I |
100 |
430 |
265 |
210 |
172 |
150 |
38 |
8-Φ30 |
621 |
400 |
|
125 |
500 |
310 |
250 |
210 |
176 |
42 |
8-Φ34 |
732 |
400 |
|
150 |
550 |
350 |
290 |
250 |
204 |
46 |
12-Φ34 |
840 |
450 |
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