产品概述
J41H/Y型国标截止阀属于强制密封式阀门,所以在阀门关闭时,必须向阀瓣施加压力,以强制密封面不泄漏。当介质由阀瓣下方进入阀六时,操作力所需要克服的阻力,是阀杆和填料的摩擦力与由介质的压力所产生的推力,关阀门的力比开阀门的力大,所以阀杆的直径要大,否则会发生阀杆顶弯的故障。国标截止阀开启时,阀瓣的开启高度,为公称直径的25%~30%时,流量已达到最大,表示阀门已达全开位置。所以截止阀的全开位置,应由阀瓣的行程来决定。
国标截止阀具有以下优点:
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。
主要性能参数
型号 |
PN |
工作压力 / MPa |
适用温度 / ℃ |
适用介质 |
J41H/Y-16C~160C |
16~160 |
1.6~16.0 |
≤425 |
水、蒸汽、油品 |
J41H/Y-16P~160P |
≤150 |
弱腐蚀性介质 |
J41H/Y-16R~160R |
腐蚀性介质 |
J41H/Y-16I~160I |
≤550 |
油品、蒸汽 |
主要零件材质:
零件名称 |
ZGICr18 Ni9Ti |
ZG00Cr18 Ni10 |
ZG1Cr18 Ni12M02Ti |
ZG00Cr17Ni14M02 |
WCB |
阀体/阀盖 |
ZGICr18 Ni9Ti |
ZG00Cr18 Ni10 |
ZG1Cr18 Ni12M0 2 Ti |
ZG00Cr17Ni14M0 2 |
WCB |
阀瓣 |
ZGICr18 Ni9Ti |
ZG00Cr18 Ni10 |
ZG1Cr18 Ni12M0 2 Ti |
ZG00Cr17Ni14M0 2 |
1Cr13 |
阀杆 |
1Cr18 Ni9Ti |
00Cr18 Ni10 |
1Cr18 Ni12M0 2 Ti |
00Cr17Ni14M0 2 |
1Cr13 |
填料 |
PTFE编织 |
PTFE编织 |
PTFE编织 |
PTFE编织 |
石墨 |
垫片 |
304+PTFE |
304L+PTFE |
316+PTFE |
316L+PTFE |
石墨+304 |
压盖 |
ZGICr18 Ni9Ti |
ZG00Cr18 Ni10 |
ZG1Cr18 Ni12M0 2 Ti |
ZG00Cr17Ni14M0 2 系列 |
WCB |
填料压环 |
1Cr18 Ni9Ti |
00Cr18 Ni10 |
1Cr18 Ni12M0 2 Ti |
00Cr17Ni14M0 2 |
1Cr13 |
螺栓 |
1Cr17Ni2 |
1Cr17Ni2 |
1Cr17Ni2 |
1Cr17Ni2 |
35CrMoA |
螺母 |
1Cr18 Ni9Ti |
1Cr18 Ni9Ti |
1Cr18 Ni9Ti |
1Cr18 Ni9Ti |
45 |
主要外形连接尺寸
1.6Mpa
突面法兰 |
DN |
L |
D |
D1 |
D2 |
b |
z×ød |
H |
D0 |
10 |
130 |
90 |
60 |
40 |
14 |
4×ø14 |
198 |
120 |
15 |
130 |
95 |
65 |
45 |
14 |
4×ø14 |
200 |
120 |
20 |
150 |
105 |
75 |
55 |
14 |
4×ø14 |
243 |
140 |
25 |
160 |
115 |
85 |
65 |
14 |
4×ø14 |
253 |
160 |
32 |
180 |
135 |
100 |
78 |
15 |
4×ø18 |
280 |
160 |
40 |
200 |
145 |
110 |
85 |
16 |
4×ø18 |
312 |
200 |
50 |
230 |
160 |
125 |
100 |
16 |
4×ø18 |
321 |
200 |
65 |
290 |
180 |
145 |
120 |
18 |
4×ø18 |
325 |
240 |
80 |
310 |
195 |
160 |
135 |
20 |
4×ø18 |
355 |
240 |
100 |
350 |
215 |
180 |
155 |
20 |
4×ø18 |
415 |
280 |
125 |
400 |
245 |
210 |
185 |
22 |
4×ø18 |
460 |
320 |
150 |
480 |
280 |
240 |
210 |
24 |
8×ø23 |
510 |
360 |
200 |
600 |
335 |
295 |
265 |
26 |
12×ø23 |
590 |
360 |
2.5MPa |
DN |
L |
D |
D1 |
D2 |
b |
n-Φd |
H |
D0 |
突面法兰 |
10 |
130 |
90 |
60 |
40 |
16 |
4-Φ14 |
198 |
120 |
15 |
130 |
95 |
65 |
45 |
16 |
4-Φ14 |
218 |
120 |
20 |
150 |
105 |
75 |
55 |
16 |
4-Φ14 |
258 |
140 |
25 |
160 |
115 |
85 |
65 |
16 |
4-Φ14 |
275 |
140 |
32 |
180 |
135 |
100 |
78 |
18 |
4-Φ18 |
280 |
160 |
40 |
200 |
145 |
110 |
85 |
18 |
4-Φ18 |
330 |
180 |
50 |
230 |
160 |
125 |
100 |
20 |
4-Φ18 |
350 |
200 |
65 |
290 |
180 |
145 |
125 |
22 |
8-Φ18 |
400 |
280 |
80 |
310 |
195 |
160 |
135 |
22 |
8-Φ18 |
355 |
280 |
100 |
350 |
230 |
190 |
160 |
24 |
8-Φ23 |
415 |
320 |
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 |
DN |
L |
D |
D1 |
D2 |
D6 |
b |
n-Φd |
H |
D0 |
凹凸法兰 MFM J41H J41Y J41W J41N
40 40P 40R 40I |
10 |
130 |
90 |
60 |
41 |
35 |
14 |
4-Φ14 |
198 |
120 |
15 |
130 |
95 |
65 |
45 |
40 |
16 |
4-Φ14 |
233 |
120 |
20 |
150 |
105 |
75 |
55 |
51 |
16 |
4-Φ14 |
295 |
140 |
25 |
160 |
115 |
85 |
65 |
58 |
16 |
4-Φ14 |
285 |
160 |
32 |
180 |
135 |
100 |
78 |
66 |
18 |
4-Φ18 |
302 |
160 |
40 |
200 |
145 |
110 |
85 |
76 |
18 |
4-Φ18 |
355 |
200 |
50 |
230 |
160 |
125 |
100 |
88 |
20 |
4-Φ18 |
373 |
200 |
65 |
290 |
180 |
145 |
120 |
110 |
22 |
8-Φ18 |
408 |
280 |
80 |
310 |
195 |
160 |
135 |
121 |
22 |
8-Φ18 |
436 |
280 |
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 |
15 |
170 |
105 |
75 |
55 |
40 |
18 |
4-14Φ |
195 |
400 |
凹凸法兰 MFM J41H J41Y J41W J41N
64 64P 64R 64I |
20 |
190 |
125 |
90 |
68 |
51 |
20 |
4-Φ18 |
228 |
160 |
25 |
210 |
135 |
100 |
78 |
58 |
22 |
4-Φ18 |
275 |
180 |
32 |
230 |
150 |
110 |
82 |
66 |
24 |
4-Φ23 |
325 |
200 |
40 |
260 |
165 |
125 |
95 |
76 |
24 |
4-Φ23 |
360 |
240 |
50 |
300 |
175 |
135 |
105 |
88 |
26 |
4-Φ23 |
410 |
280 |
65 |
340 |
200 |
160 |
130 |
110 |
28 |
8-Φ23 |
450 |
320 |
80 |
380 |
210 |
170 |
140 |
121 |
30 |
8-Φ23 |
485 |
360 |
100 |
430 |
250 |
200 |
168 |
150 |
32 |
8-Φ25 |
537 |
400 |
125 |
500 |
295 |
240 |
202 |
176 |
36 |
8-Φ30 |
631 |
400 |
150 |
550 |
340 |
280 |
240 |
204 |
38 |
8-Φ34 |
646 |
450 |
200 |
650 |
405 |
345 |
300 |
260 |
44 |
12-Φ34 |
813 |
500 |
10.0MPa |
10 |
170 |
100 |
70 |
50 |
35 |
20 |
4-Φ14 |
198 |
140 |
凹凸法兰 MFM J41H J41Y J41W
100 100P 100R 100I |
15 |
170 |
105 |
75 |
55 |
40 |
20 |
4-Φ14 |
202 |
140 |
20 |
190 |
125 |
90 |
68 |
51 |
22 |
4-Φ18 |
228 |
160 |
25 |
210 |
135 |
100 |
78 |
58 |
24 |
4-Φ18 |
250 |
180 |
32 |
230 |
150 |
110 |
82 |
66 |
24 |
4-Φ23 |
326 |
200 |
40 |
260 |
165 |
125 |
95 |
76 |
26 |
4-Φ23 |
360 |
240 |
50 |
300 |
195 |
145 |
112 |
88 |
28 |
4-Φ25 |
414 |
280 |
65 |
340 |
220 |
170 |
138 |
110 |
32 |
8-Φ25 |
434 |
320 |
80 |
380 |
230 |
1810 |
148 |
121 |
34 |
8-Φ25 |
547 |
360 |
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 |
16.0MPa |
200 |
65 |
430 |
360 |
312 |
260 |
54 |
12-Φ41 |
925 |
500 |
凹凸法兰 MFM J41H J41Y J41W
160 160P 160R 160I |
15 |
170 |
110 |
75 |
52 |
40 |
24 |
4-Φ18 |
148 |
140 |
20 |
190 |
130 |
90 |
62 |
51 |
26 |
4-Φ23 |
158 |
160 |
25 |
210 |
140 |
100 |
72 |
58 |
28 |
4-Φ23 |
175 |
180 |
32 |
230 |
165 |
115 |
85 |
66 |
30 |
4-Φ25 |
200 |
200 |
40 |
260 |
175 |
125 |
92 |
76 |
32 |
4-Φ27 |
231 |
240 |
50 |
300 |
215 |
165 |
132 |
88 |
36 |
8-Φ25 |
262 |
280 |
65 |
340 |
245 |
190 |
152 |
110 |
44 |
8-Φ30 |
303 |
320 |
80 |
380 |
260 |
205 |
168 |
121 |
46 |
8-Φ30 |
341 |
360 |
100 |
430 |
300 |
240 |
200 |
150 |
48 |
8-Φ34 |
485 |
400 |