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Product details
Brief introduction
The ZAZQ (X) electric three-way regulating valve has two types: merging and diverging. It consists of a DKZ electric actuator and three-way merging or diverging regulation. It is powered by a power source and receives a unified standard signal of 0-10mA DC or 4-20mA Dc to drive the valve opening corresponding to this operation signal. The function of a merging valve is to separate a fluid into two streams. Diverting and merging valves can only be selected accordingly, but when DN ≤ 80, merging valves can be used in diversion situations. Can replace two single or double seat regulating valves, saving investment and occupying less space. The ZAZQ (X) electric three-way merging and diverging regulating valve is commonly used for regulating two types of media in heat exchangers, as well as simple ratio adjustment.
2、 Main technical parameters
|
Three way valve nominal diameter mm |
confluence |
25 |
32 |
40 |
50 |
65 |
80 |
100 |
125 |
150 |
200 |
250 |
300 |
|
shunt |
|
|
|
|
|
80 |
100 |
125 |
150 |
200 |
250 |
300 |
|
|
Rated flow coefficient Kv |
confluence |
8.5 |
13 |
21 |
34 |
52 |
85 |
135 |
210 |
340 |
535 |
800 |
1260 |
|
shunt |
|
|
|
|
|
85 |
135 |
210 |
340 |
535 |
800 |
1260 |
|
|
Nominal pressure Mpa |
1.6 4.0 6.0 |
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|
Traffic characteristics |
straight line |
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|
hold |
type ii |
DKZ-310 |
DKZ-310 |
DKZ-410 |
DKZ-510 |
DKZ-510 |
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|
Type III |
DKZ-510C |
DKZ-310C |
DKZ-410C |
DKZ-510C |
DKZ-510C |
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|
Axial thrust (N) |
4000 |
4000 |
6400 |
16000 |
16000 |
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|
Travel distance mm |
16 |
25 |
40 |
60 |
100 |
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|
Upper valve cover type |
1.6 |
1.0 |
2.5 |
1.6 |
1.5 |
1.0 |
0.65 |
0.4 |
0.3 |
0.16 |
0.26 |
0.18 |
|
|
Allowable pressure difference (Mpa) |
Ordinary type (constant temperature type), hot plate type (medium temperature type) |
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|
Medium temperature ℃ |
-40-230 ℃ (normal temperature type), heat sink 230-450 ℃ (medium temperature type), special order -100-600 ℃ |
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|
rangeability |
30:1 |
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|
Flange standard |
Cast iron according to JB78-59, cast steel according to JB79-59 |
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|
Input impedance |
Type II: 200 Type III: 250 |
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|
Factory status |
Electric opening (for the upper valve seat), if electric closing is required, please indicate it when ordering |
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3、 Performance indicators
|
project |
Indicator value |
|
|
Basic error% |
≤±3.5 |
|
|
Return difference% |
≤2.5 |
|
|
Dead zone% |
≤3.0 |
|
|
Constant point deviation% |
Electric on/off |
±2.5 |
|
|
±2.5 |
|
|
Allowable discharge rate L/H |
Compliant with JB/T7387-94 Level III rated capacity of less than valve × 10-3 |
|
4、 External dimensions
|
Three way valve nominal |
A |
L |
H |
H1 |
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|
shunt |
confluence |
PN1.6 |
PN4.0 |
PN6.4 |
shunt |
confluence |
PN1.6 |
PN4.0 |
PN6.4 |
PN1.6 |
PN4.0 |
PN6.4 |
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|
Common |
Hot plate type |
Common |
Hot plate type |
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|
25 |
520 |
490 |
185 |
190 |
200 |
|
|
715 |
865 |
|
|
|
140 |
150 |
160 |
|
32 |
520 |
490 |
200 |
210 |
210 |
|
|
721 |
871 |
|
|
|
150 |
160 |
170 |
|
40 |
520 |
490 |
220 |
230 |
235 |
|
|
733 |
883 |
|
|
|
160 |
170 |
180 |
|
50 |
520 |
490 |
250 |
255 |
265 |
|
|
748 |
898 |
|
|
|
180 |
190 |
200 |
|
65 |
520 |
520 |
275 |
285 |
295 |
|
|
839 |
999 |
|
|
|
200 |
220 |
220 |
|
80 |
520 |
520 |
305 |
310 |
320 |
872 |
1032 |
842 |
1002 |
225 |
250 |
265 |
210 |
230 |
240 |
|
100 |
520 |
520 |
350 |
355 |
370 |
896 |
1056 |
846 |
1006 |
245 |
275 |
285 |
220 |
250 |
260 |
|
125 |
520 |
520 |
410 |
425 |
440 |
947 |
1162 |
897 |
1112 |
284 |
320 |
325 |
260 |
300 |
300 |
|
150 |
520 |
520 |
450 |
460 |
475 |
947 |
1162 |
897 |
1112 |
305 |
340 |
340 |
280 |
320 |
320 |
|
200 |
520 |
520 |
550 |
560 |
570 |
965 |
1180 |
905 |
1120 |
350 |
400 |
410 |
320 |
380 |
380 |
|
250 |
520 |
520 |
670 |
740 |
750 |
|
|
|
|
|
|
|
|
|
|
|
300 |
520 |
520 |
770 |
805 |
820 |
|
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|
|
|
|
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