浏览：5353次 日期：2015-07-28
Chief features and usages
1、Compact structure,neasonnable design,good rigidity,smooth channel,small coefficient of flow resistance.
2、The sealing face uses stainless steel and carbide alloy and is of long duration
3、Using flexible graphite fillings,reliable sealing,light and nimble operation
4、Four driving ways,manually,electrically,air-ioerating and gear-driving,structure type,elastic wedge type with single gate board,right rigi-dwedge type with single or dual-gate board.
5、Widely used as the device of open or close to connect or cut off the medium inside of the pioeline of water,steam or oil goods in steam power plants
Chief property and specification
Test pressure
Nominal pressure |
Test pressure |
|||
Shell |
Seal |
Seal |
Back seal |
|
1.6 |
2.4 |
1.8 |
0.6 |
1.8 |
2.5 |
3.8 |
2.8 |
0.6 |
2.8 |
4.0 |
6.0 |
4.4 |
0.6 |
4.4 |
6.4 |
9.6 |
7.0 |
0.6 |
7.0 |
10.0 |
15.0 |
11.0 |
0.6 |
11.0 |
16.0 |
24.0 |
18.0 |
0.6 |
18.0 |
Suitable scope |
||
Shell material |
Applicable medium |
Applicable temperature |
Carburizing steel |
Water,steam,oil goods |
≤425 |
Nitric acid |
≤200 |
|
Acetic acid |
≤200 |
|
Water,steam,oilgoods |
≤550 |
|
Main dimensions and weight
Nominal diameter |
Dimensions |
|
Weight |
||||||||
L |
D |
D1 |
D2 |
b |
f |
z-d |
H |
||||
Z940H |
-16C |
Z940 |
Y-16P |
Z940 |
Y-16R |
Z940 |
W-16P |
Z940 |
W-16R |
Z940 |
Y-16I |
Z941Y |
Z941 |
Z941 |
Z941 |
Z941 |
Z941 |
||||||
40 |
200 |
145 |
110 |
85 |
16 |
3 |
4-18 |
595 |
DZW15 |
56 |
|
50 |
250 |
160 |
125 |
100 |
16 |
3 |
4-18 |
653 |
DZW20 |
59 |
|
65 |
265 |
180 |
145 |
120 |
18 |
3 |
4-18 |
665 |
DZW20 |
62 |
|
80 |
280 |
195 |
160 |
135 |
20 |
3 |
8-18 |
725 |
DZW20 |
74 |
|
100 |
300 |
215 |
180 |
155 |
20 |
3 |
8-18 |
787 |
DZW20 |
92 |
|
150 |
350 |
280 |
240 |
210 |
24 |
3 |
8-23 |
955 |
DZW30 |
161 |
|
200 |
400 |
335 |
295 |
265 |
26 |
3 |
12-23 |
1105 |
DZW30 |
219 |
|
250 |
450 |
405 |
355 |
320 |
30 |
3 |
12-25 |
1343 |
DZW45 |
376 |
|
300 |
500 |
460 |
410 |
375 |
30 |
4 |
12-25 |
1516 |
DZW60 |
484 |
|
350 |
550 |
520 |
470 |
435 |
34 |
4 |
16-25 |
1678 |
DZW60 |
695 |
|
400 |
600 |
580 |
525 |
485 |
36 |
4 |
16-30 |
1849 |
DZW90 |
977 |
|
450 |
650 |
640 |
585 |
545 |
40 |
4 |
20-30 |
1937 |
DZW90 |
1033 |
|
500 |
700 |
705 |
650 |
608 |
44 |
4 |
20-34 |
2234 |
DZW120 |
1087 |
|
600 |
800 |
840 |
770 |
718 |
48 |
5 |
20-41 |
2432 |
DZW180 |
1357 |
|
700 |
900 |
910 |
840 |
788 |
50 |
5 |
24-41 |
2489 |
DZW250 |
1481 |
|
800 |
1000 |
1020 |
950 |
898 |
52 |
5 |
24-41 |
2643 |
DZW350 |
1845 |
|
Main dimensions and weight
Nominal diameter |
Dimensions |
Electric dewice |
Weight |
||||||||
L |
D |
D1 |
D2 |
b |
f |
z-d |
H
|
||||
Z940H |
-25C |
Z940 |
Y-25P |
Z940 |
Y-25R |
Z940 |
W-25P |
Z940 |
W-25R |
Z940 |
Y-25I |
Z941Y |
Z941 |
Z941 |
Z941 |
Z941 |
Z941 |
||||||
40 |
200 |
145 |
110 |
85 |
18 |
3 |
4-18 |
595 |
DZW15 |
60 |
|
50 |
250 |
160 |
125 |
100 |
20 |
3 |
4-18 |
653 |
DZW20 |
64 |
|
65 |
265 |
180 |
145 |
120 |
22 |
3 |
8-18 |
665 |
DZW20 |
65 |
|
80 |
280 |
195 |
160 |
135 |
22 |
3 |
8-18 |
725 |
DZW20 |
79 |
|
100 |
300 |
230 |
190 |
160 |
24 |
3 |
8-23 |
787 |
DZW20 |
98 |
|
125 |
325 |
270 |
220 |
188 |
28 |
3 |
8-25 |
902 |
DZW30 |
154 |
|
150 |
350 |
300 |
250 |
218 |
30 |
3 |
8-25 |
955 |
DZW30 |
168 |
|
200 |
400 |
360 |
310 |
278 |
34 |
3 |
12-25 |
1105 |
DZW45 |
219 |
|
250 |
450 |
425 |
370 |
332 |
36 |
3 |
12-30 |
1343 |
DZW45 |
390 |
|
300 |
500 |
485 |
430 |
390 |
40 |
4 |
12-30 |
1516 |
DZW60 |
505 |
|
350 |
550 |
550 |
490 |
448 |
44 |
4 |
16-30 |
1678 |
DZW60 |
736 |
|
400 |
600 |
610 |
550 |
505 |
48 |
4 |
16-34 |
1849 |
DZW90 |
1027 |
|
450 |
650 |
660 |
600 |
555 |
50 |
4 |
16-34 |
1937 |
DZW90 |
1139 |
|
500 |
700 |
730 |
660 |
610 |
52 |
4 |
20-34 |
2234 |
DZW120 |
1228 |
|
600 |
800 |
840 |
770 |
718 |
56 |
5 |
20-41 |
2432 |
DZW180 |
1502 |
|
700 |
900 |
955 |
875 |
815 |
60 |
5 |
20-41 |
2489 |
DZW250 |
1617 |
|
800 |
1000 |
1070 |
990 |
930 |
64 |
5 |
24-48 |
2643 |
DZW350 |
1923 |
|
