Ductile iron gate valve with brass sealing
|
Valve Type: |
Metal seat gate valve |
Structure: |
Non-rising type |
|
Standard: |
EN/API/DIN/GOST |
Workmanship: |
Investment casting |
|
Sealing direction: |
Bidirectional |
Sealing grade: |
Zero leakage |
|
Temperature: |
-30°C<T<425°C |
Operation: |
Handwheel |
Characteristics
The copper sealed gate valve has a sturdy overall structure, minimal wear on the sealing pair, almost maintenance free daily operation, and stable long-term operation.

Advantages
1.Excellent structural strength
Adopting ductile iron valve body, it has strong pressure resistance, impact resistance, and water hammer resistance, stable and reliable operation, and can adapt to complex working conditions.
2.Outstanding sealing performance
Brass hard sealing surface is wear-resistant, erosion resistant, not easy to scratch, resistant to high temperature and aging, with tight two-way sealing and longer service life.
3.Easy to use and maintain
Small opening and closing torque, smooth operation without biting, low flow resistance, good flow effect, maintenance free overall, widely applicable in various scenarios
Packing
Standard export wooden case packaging


Application Scenarios
This bronze-sealed ductile iron gate valve serves various applications including municipal water systems, HVAC, fire protection, power generation, chemical processing and water conservancy, delivering dependable open/close control for water, oil, steam and other working media.


Material
|
Valve body/valve cover |
Gate board/seat |
Stem |
Stem nut |
Padding |
Handwheel |
|
|
Brass/Bronze |
20Cr13 |
Aluminum bronze |
Graphite asbestos packing |
Malleable iron ductile Iron |
Dimension

|
PN |
DN |
L |
D |
D1 |
D2 |
D6 |
b |
f |
f2 |
N-φd |
H |
H1 |
D0 |
|
1.6 |
15 |
130 |
95 |
65 |
45 |
|
14 |
2 |
|
4-φ14 |
220 |
240 |
120 |
|
20 |
150 |
105 |
75 |
55 |
|
14 |
2 |
|
4-φ14 |
255 |
284 |
140 |
|
|
25 |
160 |
115 |
85 |
65 |
|
14 |
2 |
|
4-φ14 |
275 |
303 |
160 |
|
|
32 |
180 |
135 |
100 |
78 |
|
16 |
2 |
|
4-φ18 |
280 |
321 |
180 |
|
|
40 |
200 |
145 |
110 |
85 |
|
16 |
3 |
|
4-φ18 |
300 |
352 |
200 |
|
|
50 |
250 |
160 |
125 |
100 |
|
16 |
3 |
|
4-φ18 |
358 |
438 |
240 |
|
|
65 |
265 |
180 |
145 |
120 |
|
18 |
3 |
|
4-φ18 |
375 |
450 |
240 |
|
|
80 |
280 |
195 |
160 |
135 |
|
20 |
3 |
|
8-φ18 |
433 |
528 |
280 |
|
|
100 |
300 |
215 |
180 |
155 |
|
20 |
3 |
|
8-φ18 |
502 |
620 |
320 |
|
|
125 |
325 |
245 |
210 |
185 |
|
22 |
3 |
|
8-φ18 |
612 |
753 |
360 |
|
|
150 |
350 |
280 |
240 |
210 |
|
24 |
3 |
|
8-φ23 |
676 |
847 |
360 |
|
|
200 |
400 |
335 |
295 |
265 |
|
26 |
3 |
|
12-φ23 |
820 |
1039 |
400 |
|
|
250 |
450 |
405 |
355 |
320 |
|
40 |
3 |
|
12-φ25 |
969 |
1245 |
450 |
|
|
300 |
500 |
460 |
410 |
375 |
|
40 |
3 |
|
12-φ25 |
1142 |
1472 |
560 |
|
|
350 |
550 |
520 |
470 |
435 |
|
34 |
4 |
|
16-φ25 |
1280 |
1450 |
640 |
|
|
400 |
600 |
580 |
525 |
485 |
|
36 |
4 |
|
16-φ30 |
1452 |
1887 |
640 |
|
|
450 |
650 |
640 |
585 |
545 |
|
40 |
4 |
|
20-φ30 |
1541 |
2011 |
720 |
|
|
500 |
700 |
705 |
650 |
608 |
|
44 |
4 |
|
20-φ30 |
1676 |
2181 |
720 |
|
|
600 |
800 |
840 |
770 |
718 |
|
48 |
5 |
|
20-φ41 |
1874 |
2346 |
800 |
|
|
2.5 |
15 |
130 |
95 |
65 |
45 |
|
16 |
2 |
|
4-φ14 |
220 |
240 |
120 |
|
20 |
150 |
105 |
75 |
55 |
|
16 |
2 |
|
4-φ14 |
255 |
284 |
140 |
|
|
25 |
160 |
115 |
85 |
65 |
|
16 |
2 |
|
4-φ14 |
275 |
303 |
160 |
|
|
32 |
180 |
135 |
100 |
78 |
|
18 |
2 |
|
4-φ18 |
280 |
321 |
180 |
|
|
40 |
200 |
145 |
110 |
85 |
|
18 |
3 |
|
4-φ18 |
300 |
352 |
200 |
|
|
50 |
250 |
160 |
125 |
100 |
|
20 |
3 |
|
4-φ18 |
358 |
438 |
240 |
|
|
65 |
265 |
180 |
145 |
120 |
|
22 |
3 |
|
8-φ18 |
375 |
450 |
240 |
|
|
80 |
280 |
195 |
160 |
135 |
|
22 |
3 |
|
8-φ18 |
433 |
528 |
280 |
|
|
100 |
300 |
230 |
190 |
160 |
|
24 |
3 |
|
8-φ23 |
502 |
620 |
320 |
|
|
125 |
325 |
270 |
220 |
188 |
|
28 |
3 |
|
8-φ25 |
612 |
753 |
360 |
|
|
150 |
350 |
300 |
250 |
218 |
|
30 |
3 |
|
8-φ25 |
676 |
847 |
360 |
|
|
200 |
400 |
360 |
310 |
278 |
|
34 |
3 |
|
12-φ25 |
820 |
1039 |
400 |
|
|
250 |
450 |
425 |
370 |
332 |
|
36 |
3 |
|
12-φ30 |
969 |
1245 |
450 |
|
|
300 |
600 |
485 |
430 |
390 |
|
40 |
4 |
|
16-φ30 |
1142 |
1472 |
560 |
|
|
350 |
550 |
550 |
490 |
448 |
|
44 |
4 |
|
16-φ34 |
1280 |
1450 |
640 |
|
|
400 |
600 |
610 |
550 |
505 |
|
48 |
4 |
|
16-φ34 |
1452 |
1887 |
640 |
|
|
450 |
650 |
660 |
600 |
555 |
|
50 |
4 |
|
20-φ34 |
1541 |
2011 |
720 |
|
|
500 |
700 |
730 |
660 |
610 |
|
52 |
4 |
|
20-φ41 |
1676 |
2181 |
720 |
|
|
600 |
800 |
840 |
770 |
718 |
|
56 |
5 |
|
20-φ41 |
1874 |
2346 |
800 |
|
|
4.0 |
20 |
150 |
105 |
75 |
55 |
51 |
16 |
2 |
4 |
4-φ14 |
256 |
285 |
140 |
|
25 |
160 |
115 |
85 |
65 |
58 |
16 |
2 |
4 |
4-φ14 |
275 |
305 |
160 |
|
|
32 |
180 |
135 |
100 |
78 |
66 |
18 |
2 |
4 |
4-φ18 |
287 |
322 |
180 |
|
|
40 |
200 |
145 |
110 |
85 |
76 |
18 |
3 |
4 |
4-φ18 |
323 |
369 |
200 |
|
|
50 |
250 |
160 |
125 |
100 |
88 |
20 |
3 |
4 |
4-φ18 |
372 |
440 |
280 |
|
|
65 |
280 |
180 |
145 |
120 |
110 |
22 |
3 |
4 |
8-φ18 |
395 |
473 |
280 |
|
|
80 |
310 |
195 |
160 |
135 |
121 |
22 |
3 |
4 |
8-φ18 |
457 |
552 |
320 |
|
|
100 |
350 |
230 |
190 |
160 |
150 |
24 |
3 |
4.5 |
8-φ23 |
552 |
671 |
360 |
|
|
125 |
400 |
270 |
220 |
188 |
176 |
28 |
3 |
4.5 |
8-φ25 |
634 |
726 |
400 |
|
|
150 |
450 |
300 |
250 |
218 |
204 |
30 |
3 |
4.5 |
8-φ25 |
708 |
883 |
400 |
|
|
200 |
550 |
375 |
320 |
282 |
260 |
38 |
3 |
4.5 |
8-φ30 |
858 |
1086 |
450 |
|
|
250 |
650 |
445 |
385 |
345 |
313 |
42 |
3 |
4.5 |
12-φ34 |
1015 |
1298 |
560 |
|
|
300 |
750 |
510 |
450 |
408 |
364 |
46 |
4 |
4.5 |
12-φ34 |
1203 |
1535 |
640 |
|
|
350 |
850 |
570 |
510 |
465 |
422 |
52 |
4 |
5 |
16-φ34 |
1341 |
1678 |
640 |
|
|
400 |
950 |
655 |
585 |
535 |
474 |
58 |
4 |
5 |
16-φ41 |
1492 |
1903 |
720 |
















