Home / Product / Valve / Gate / stop valve

Product Category

Z41h flange cast steel gate valve

Product Overview

The body resistance is small, and the sealing surface is less brushed and eroded by the medium. It is easy to open and close. The flow direction of the medium is not restricted, and the flow is not disturbed and the pressure is not reduced. Compact structure, good valve rigidity, smooth passage, small flow resistance, stainless steel and cemented carbide sealing surface, long service life, reliable sealing, light and flexible operation


标准规范
设计标准GB/T 12234
结构长度标准GB/T 12221
法兰连接标准JB/T 179.1
检验与试验标准GB/T 26480
 
主要零部件材料
阀体、阀盖WCB、CF8、CF8M、鉻钼钢
阀杆

2Cr13、304、316、
鉻钼钒钢

阀板WCB+D507、CF8+STL、
CF8M+STL、鉻钼钢+STL
铜螺母铝青铜




1.0MPA

公称压力PN
公称通径 DN
尺寸(mm)
L
D
D1
D2
B
N-φ
H
1.0MPa
40
200
145
110
85
16
4-18
310
50
250
160
125
100
16
4-18
358
65
265
180
145
120
18
4-18
373
80
280
195
160
135
20
8-18
435
100
300
215
180
155
20
8-18
500
125
325
245
210
185
22
8-18
614
150
350
280
250
210
24
8-23
648
200
400
335
295
265
26
8-23
791
250
450
390
350
320
28
12-23
940
300
500
440
400
368
28
12-23
1061
350
550
500
460
428
30
16-23
1215
400
600
565
515
482
32
16-25
1327
450
650
615
565
532
32
20-25
1515
500
700
670
620
585
34
20-25
1672
600
800
780
725
685
36
20-30
1946
700
900
895
840
800
40
24-30
-
800
1000
1010
950
905
44
24-34
-

1.6 MPA

公称压力PN
公称通径 DN
尺寸(mm)
L
D
D1
D2
B
N-φ
H
1.6MPa
40
200
145
110
85
16
4-18
310
50
250
160
125
100
16
4-18
358
65
265
180
145
120
18
4-18
373
80
280
195
160
135
20
8-18
435
100
300
215
180
155
20
8-18
500
125
325
245
210
185
22
8-18
614
150
350
280
250
210
24
8-23
648
200
400
335
295
265
26
12-23
791
250
450
405
355
320
30
12-25
940
300
500
460
410
375
30
12-25
1061
350
550
520
470
435
34
16-25
1215
400
600
580
525
485
36
16-30
1327
450
650
640
585
545
40
20-30
1515
500
700
705
650
608
44
20-34
1672
600
800
840
770
718
48
20-36
1946
700
900
910
840
788
50
24-36
-
800
1000
1020
950
898
52
24-41
-

2.5MPA

公称压力PN
公称通径 DN
尺寸(mm)
L
D
D1
D2
B
N-φ
H
2.5MPa
40
200
145
110
85
18
4-18
310
50
250
160
125
100
20
4-18
358
65
265
180
145
120
22
4-18
373
80
280
195
160
135
22
8-18
435
100
300
230
190
160
24
8-23
500
125
325
270
220
188
28
8-25
614
150
350
300
250
218
30
8-25
648
200
400
360
310
278
34
12-25
791
250
450
425
370
332
36
12-30
940
300
500
485
430
390
40
16-30
1061
350
550
550
490
448
44
16-34
1215
400
600
610
550
505
48
16-34
1327
450
650
660
600
555
50
20-34
1515
500
700
730
660
610
52
20-36
1672
600
800
840
770
718
56
20-41
1946
700
900
955
875
815
60
24-42
-
800
1000
1070
990
930
64
24-48
-

4.0MPA

公称压力PN
公称通径 DN
尺寸(mm)
L
D
D1
D2
D6
B
N-φ
H
4.0MPa
40
200
145
110
85
76
18
4-18
310
50
250
160
125
100
88
20
4-18
371
65
280
180
145
120
110
22
8-18
391
80
310
195
160
135
121
22
8-18
415
100
350
230
190
160
150
24
8-23
528
125
400
270
220
188
176
28
8-25
560
150
450
300
250
218
204
30
8-25
640
200
550
375
320
282
260
38
12-30
810
250
650
445
385
345
313
42
12-34
960
300
750
510
450
408
364
46
16-34
1085
350
850
570
510
465
422
52
16-34
1226
400
950
655
585
535
474
58
16-41
1492
450
1050
680
610
560
524
60
20-41
-
500
1150
755
670
612
576
62
20-42
-
600
1350
890
795
730
678
62
20-48
-

 

6.4MPA

公称压力PN
公称通径 DN
尺寸(mm)
L
D
D1
D2
D6
B
N-φ
H
6.4MPa
40
240
165
125
95
76
24
4-23
345
50
250
175
135
105
88
26
4-23
375
65
280
200
160
130
110
28
8-23
450
80
310
210
170
140
121
30
8-23
498
100
350
250
200
168
150
32
8-25
575
125
400
295
240
202
176
36
8-30
622
150
450
340
280
240
204
38
8-34
693
200
550
405
345
300
260
44
12-34
882
250
650
470
400
352
313
48
12-36
1049
300
750
530
460
412
364
54
16-36
1152
350
850
595
525
475
422
60
16-41
1312
400
950
670
585
525
474
66
16-42
-
500
1150
800
705
640
576
70
20-48
-
600
1350
930
820
750
678
76
20-58
-

10.0MPA

公称压力PN
公称通径 DN
尺寸(mm)
L
D
D1
D2
D6
B
N-φ
H
6.4MPa
40
240
165
125
95
76
26
4-23
360
50
250
195
145
112
88
28
4-25
386
65
280
220
170
138
110
32
8-25
450
80
310
230
180
148
121
34
8-25
492
100
350
265
210
172
150
38
8-30
566
125
400
310
250
210
176
42
8-34
630
150
450
350
290
250
204
46
12-34
700
200
550
430
360
312
260
54
12-36
880
250
650
500
430
382
313
60
12-41
1052
300
750
585
500
442
364
70
16-42
1162

 

© 2022 www.chinayuli.com, All Rights Reserved.