法兰连接的截止阀适用于公称压力PN1.6~6.4MPa,工作温度-29~450℃的石油、化工、制药、化肥、电力行业等各种工况的管路上,切断或接通管路介质。适用介质为:水、油品、蒸气、酸性介质等。操作方式有:手动、齿轮传动、电动、气动等。
标准与规范
设计与制造 |
结构长度 |
压力温度等级 |
连接法兰 |
试验与检验 |
GB12235 |
GB12221 |
GB9131 |
JB/T74-90 |
JB/T9092-1999 |
结构优势与特点
1、产品设计制造按国家标准GB12235,结构合理,密封可靠,性能优良,造型美观。
2、阀瓣、阀座密封面用铁基合金堆焊或司太立(stellite)钴基硬质合金堆焊而成,耐磨、耐高温、耐腐蚀、抗擦伤性能好、使用寿命长。
3、阀杆经调质及表面氮化处理,有良好的抗腐蚀性和抗擦伤性。
4、可采用各种配管法兰标准及法兰密封面形式,满足各种工程需要和用户要求。
5、倒密封采用螺纹连接密封座或本体堆焊奥氏体不锈钢而成,密封可靠,填料与日俱更换可在不停机情况下进行方便快捷不影响系统运行。
主要零件材料
零件名称 |
材料牌号 |
|||||
阀体 |
WCB |
ZG1Cr18Ni9Ti |
ZG1Cr18Ni12MoTi |
ZGCr5Mo |
||
阀盖 |
WCB |
ZG1Cr18Ni9Ti |
ZG1Cr18Ni12MoTi |
ZGCr5Mo |
||
支架 |
WCB |
ZG1Cr18Ni9Ti |
ZG1Cr18Ni12MoTi |
ZGCr5Mo |
||
阀瓣 |
2Cr13 |
304 |
316 |
Cr5Mo |
||
阀杆 |
2Cr13 |
304 |
316 |
25Cr2MoV |
||
阀座 |
25 |
304 |
316 |
304 |
||
密封环、垫片 |
304、包覆垫 |
|||||
填料 |
增强柔性石墨 |
公称压力 PN(MPa) |
试验压力(MPa) |
适用温度(℃) |
适用 |
||||
强度试验 |
密封试验 |
WCB |
Wr5Mo |
1Cr18Ni12Mo2Ti |
1C18Ni9Ti |
||
1.6 |
2.4 |
1.8 |
≤425 |
≤550 |
≤200 |
≤200 |
水、油品、蒸气、酸性介质 |
2.5 |
3.8 |
2.8 |
|||||
4.0 |
6.0 |
4.4 |
|||||
6.4 |
9.6 |
7.1 |
|||||
10.0 |
15 |
11 |
/ |
||||
16.0 |
24 |
17.6 |
公称压力PN(MPa) |
公称通径DN(mm) |
主要外形尺寸及连接尺寸(mm) |
重量 |
|||||||||
L |
D |
D1 |
D2 |
D6 |
b-f |
f2 |
z-φd |
H |
Do |
|||
1.6 |
10 |
130 |
90 |
60 |
40 |
/ |
14-2 |
/ |
4-14 |
198 |
120 |
4.7 |
15 |
130 |
95 |
65 |
45 |
/ |
16-2 |
/ |
4-14 |
218 |
120 |
5.2 |
|
20 |
150 |
105 |
75 |
55 |
/ |
16-2 |
/ |
4-14 |
258 |
140 |
7.1 |
|
25 |
160 |
115 |
85 |
65 |
/ |
16-2 |
/ |
4-14 |
275 |
160 |
7.4 |
|
32 |
180 |
135 |
100 |
78 |
/ |
18-2 |
/ |
4-18 |
280 |
180 |
8.5 |
|
40 |
200 |
145 |
110 |
85 |
/ |
18-3 |
/ |
4-18 |
330 |
200 |
12.5 |
|
50 |
230 |
160 |
125 |
100 |
/ |
18-3 |
/ |
4-18 |
350 |
240 |
14 |
|
65 |
290 |
180 |
145 |
120 |
/ |
18-3 |
/ |
4-18 |
400 |
280 |
22.58 |
|
80 |
340 |
195 |
160 |
135 |
/ |
20-3 |
/ |
8-18 |
355 |
280 |
29 |
|
100 |
350 |
215 |
180 |
155 |
/ |
22-3 |
/ |
8-18 |
415 |
320 |
32.5 |
|
125 |
400 |
245 |
210 |
185 |
/ |
24-3 |
/ |
8-18 |
460 |
360 |
80 |
|
150 |
480 |
280 |
240 |
210 |
/ |
24-3 |
/ |
8-23 |
510 |
400 |
93.5 |
|
200 |
600 |
335 |
295 |
265 |
/ |
26-3 |
/ |
12-23 |
710 |
400 |
180 |
|
250 |
650 |
405 |
355 |
320 |
/ |
30-3 |
/ |
12-25 |
786 |
450 |
440 |
|
300 |
750 |
460 |
410 |
375 |
/ |
30-4 |
/ |
12-25 |
925 |
500 |
648 |
2.5 |
10 |
130 |
90 |
60 |
40 |
/ |
16-2 |
/ |
4-14 |
198 |
120 |
4.9 |
15 |
130 |
95 |
65 |
45 |
/ |
16-2 |
/ |
4-14 |
218 |
120 |
5.4 |
|
20 |
150 |
105 |
75 |
55 |
/ |
16-2 |
/ |
4-14 |
258 |
140 |
7 |
|
25 |
160 |
115 |
85 |
65 |
/ |
16-2 |
/ |
4-14 |
275 |
160 |
7.4 |
|
32 |
180 |
135 |
100 |
78 |
/ |
18-2 |
/ |
4-18 |
280 |
180 |
8.5 |
|
40 |
200 |
145 |
110 |
85 |
/ |
18-3 |
/ |
4-18 |
330 |
200 |
12.5 |
|
50 |
230 |
160 |
125 |
100 |
/ |
20-3 |
/ |
4-18 |
350 |
240 |
16 |
|
65 |
290 |
180 |
145 |
125 |
/ |
22-3 |
/ |
8-18 |
400 |
280 |
25 |
|
80 |
310 |
195 |
160 |
145 |
/ |
22-3 |
/ |
8-18 |
355 |
280 |
30 |
|
100 |
350 |
230 |
190 |
160 |
/ |
24-3 |
/ |
8-23 |
415 |
320 |
34.5 |
|
125 |
400 |
270 |
220 |
188 |
/ |
28-3 |
/ |
8-25 |
460 |
360 |
89 |
|
150 |
480 |
300 |
250 |
218 |
/ |
30-3 |
/ |
8-25 |
510 |
400 |
98 |
|
200 |
600 |
360 |
310 |
278 |
/ |
34-3 |
/ |
12-25 |
710 |
400 |
180 |
|
250 |
650 |
425 |
370 |
332 |
/ |
36-3 |
/ |
12-30 |
786 |
450 |
446 |
|
300 |
750 |
485 |
430 |
390 |
/ |
40-4 |
/ |
12-30 |
925 |
500 |
654 |
4.0 |
10 |
130 |
90 |
60 |
40 |
34 |
16-2 |
4 |
4-14 |
198 |
120 |
4.9 |
15 |
130 |
95 |
65 |
45 |
40 |
16-2 |
4 |
4-14 |
233 |
120 |
5.7 |
|
20 |
150 |
105 |
75 |
55 |
51 |
16-2 |
4 |
4-14 |
275 |
140 |
7 |
|
25 |
160 |
115 |
85 |
65 |
58 |
16-2 |
4 |
4-14 |
285 |
160 |
8.8 |
|
32 |
180 |
135 |
100 |
78 |
66 |
18-2 |
4 |
4-18 |
302 |
180 |
11.8 |
|
40 |
200 |
145 |
110 |
85 |
76 |
18-3 |
4 |
4-18 |
355 |
200 |
16.5 |
|
50 |
230 |
160 |
125 |
100 |
88 |
20-3 |
4 |
4-18 |
373 |
240 |
24 |
|
65 |
290 |
180 |
145 |
125 |
110 |
22-3 |
4 |
8-18 |
408 |
280 |
33 |
|
80 |
310 |
195 |
160 |
145 |
121 |
22-32 |
4 |
8-18 |
436 |
320 |
44 |
|
100 |
350 |
230 |
190 |
160 |
150 |
24-3 |
4.5 |
8-23 |
480 |
360 |
60 |
|
125 |
400 |
270 |
220 |
188 |
176 |
28-3 |
4.5 |
8-25 |
558 |
400 |
89 |
|
150 |
480 |
300 |
250 |
218 |
204 |
30-3 |
4.5 |
8-25 |
611 |
400 |
98 |
|
200 |
600 |
375 |
320 |
282 |
260 |
38-3 |
4.5 |
12-30 |
720 |
400 |
190 |
公称压力PN(MPa) |
公称通径DN(mm) |
主要外形尺寸及连接尺寸(mm) |
重量 |
||||||||||
L |
D |
D1 |
D2 |
D6 |
D8 |
b-f |
f2 |
z-φd |
H |
Do |
|||
6.4 |
10 |
170 |
100 |
70 |
50 |
35 |
/ |
18-2 |
4 |
4-14 |
198 |
120 |
5.7 |
15 |
170 |
105 |
75 |
55 |
41 |
/ |
18-2 |
4 |
4-14 |
195 |
140 |
10 |
|
20 |
190 |
125 |
90 |
68 |
51 |
/ |
20-2 |
4 |
4-18 |
228 |
160 |
13 |
|
25 |
210 |
135 |
100 |
78 |
58 |
/ |
22-2 |
4 |
4-18 |
275 |
180 |
14.5 |
|
32 |
230 |
150 |
110 |
82 |
66 |
/ |
24-2 |
4 |
4-23 |
325 |
200 |
19 |
|
40 |
260 |
165 |
125 |
95 |
76 |
/ |
24-3 |
4 |
4-23 |
360 |
240 |
25 |
|
50 |
300 |
175 |
135 |
105 |
88 |
/ |
26-3 |
4 |
8-23 |
410 |
280 |
35 |
|
65 |
340 |
200 |
160 |
130 |
110 |
/ |
28-3 |
4 |
8-23 |
450 |
320 |
48 |
|
80 |
380 |
210 |
170 |
140 |
121 |
/ |
30-3 |
4 |
8-23 |
485 |
360 |
56 |
|
100 |
430 |
240 |
200 |
168 |
150 |
/ |
32-3 |
4.5 |
8-25 |
537 |
400 |
125 |
|
125 |
500 |
250 |
240 |
202 |
176 |
/ |
36-3 |
4.5 |
8-30 |
631 |
400 |
131 |
|
150 |
550 |
340 |
280 |
240 |
204 |
/ |
38-3 |
4.5 |
8-34 |
646 |
450 |
157 |
|
200 |
650 |
405 |
345 |
300 |
260 |
/ |
44-3 |
4.5 |
12-34 |
813 |
500 |
283 |
|
10.0 |
10 |
170 |
100 |
70 |
50 |
/ |
35 |
20-2 |
/ |
4-14 |
198 |
120 |
6 |
, , , , , , 15 |
170 |
105 |
75 |
55 |
/ |
40 |
20-2 |
/ |
4-14 |
202 |
140 |
11 |
|
20 |
190 |
125 |
90 |
68 |
/ |
51 |
22-2 |
/ |
4-18 |
228 |
160 |
13.2 |
|
25 |
210 |
135 |
100 |
78 |
/ |
58 |
24-2 |
/ |
4-18 |
250 |
180 |
14 |
|
32 |
230 |
150 |
110 |
82 |
/ |
66 |
24-2 |
/ |
4-23 |
326 |
220 |
15 |
|
40 |
260 |
165 |
125 |
95 |
/ |
76 |
26-3 |
/ |
4-23 |
359 |
240 |
29 |
|
50 |
300 |
195 |
145 |
112 |
/ |
88 |
28-3 |
/ |
4-25 |
414 |
280 |
49 |
|
65 |
340 |
220 |
170 |
138 |
/ |
110 |
32-3 |
/ |
8-25 |
434 |
320 |
65 |
|
80 |
380 |
230 |
180 |
148 |
/ |
121 |
34-3 |
/ |
8-30 |
547 |
400 |
95 |
|
100 |
430 |
265 |
210 |
172 |
/ |
150 |
38-3 |
/ |
8-25 |
621 |
450 |
115 |
|
125 |
500 |
310 |
250 |
210 |
/ |
176 |
42-3 |
/ |
8-34 |
732 |
450 |
149 |
|
150 |
550 |
350 |
290 |
250 |
/ |
204 |
46-3 |
/ |
12-34 |
840 |
500 |
310 |
|
200 |
650 |
430 |
360 |
312 |
/ |
260 |
54-3 |
/ |
12-41 |
925 |
550 |
590 |