Anhui Lanchuang Automation Instrument Co., Ltd
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Electric control valve (three-way)
Overview: The ZAZQ and ZAZX electric three-way merging and diverging regulating valves adopt a cylindrical thin walled window shaped valve core guide
Product details


■ Overview
The ZAZQ and ZAZX electric three-way merging and diverging regulating valves adopt a cylindrical thin walled window shaped valve core guide. Equipped with DKZ type linear electric actuator, it accepts 0-10 or 4-20mA.DC signals to drive valve opening and closing. The three-way merging regulating valve is used to mix two fluids into a third fluid, or to mix the same fluid at different temperatures into the same temperature fluid. A three-way splitter valve divides a fluid into two streams.
This series of products has a nominal diameter ranging from 25mm to 300mm, with nominal pressures of PN1.6, 4.0, and 6.4MPa. They are suitable for fluid temperatures ranging from -60 ° C to 450 ° C, with control signals of 0-10 or 4-20mA.DC. The leakage standard is Class IV and VI, and the flow characteristics are linear and parabolic. There are two types of valve covers that can be used: ordinary type and heat dissipation type.
valve body
Type: Straight through cast ball valve
Nominal diameter: merging valve: 25-300mm, diversion valve: 80-300mm
Nominal pressure: PN1.6, 4.0, 6.4MPa
Flange standards: JB/T79.1-94~79.2-94, etc
Materials: cast steel (ZG230-450), cast stainless steel (ZG1Cr18Ni9Ti, ZG1Cr18Ni12Mo2Ti), etc
Upper valve cover: standard type -17~+230 ℃, heat dissipation type+230~+450 ℃, bellows seal -40~+350 ℃
Cover type: bolt compression type
Packing: V-shaped PTFE packing, PTFE impregnated asbestos packing, graphite packing
Valve components
Valve core type: thin-walled cylindrical valve core
Flow characteristics: parabolic and linear characteristics
Materials: Stainless steel (1Cr18Ni19Ti, 1Cr18Ni12Mo2Ti, 17-4PH, 9Cr18, 316L), stainless steel overlay with Stellite alloy, titanium, and corrosion-resistant alloys, etc
■ Executing Agency
Type: Electronic electric actuator (such asPSL3810TheDKZWait a minute
Power supply: 220V or 380V
Input signal: 4-20mA or 1-5V · DC
Output signal: 4-20mA · DC
■ Valve action type
Split type (B) or electrically open type (K) valve

Main technical parameters
Nominal DN (mm)
25
32
40
50
65
80
100
125
150
200
250
300
Rated flow coefficient Kv
confluence
8.5
13
21
34
53
85
135
210
340
535
800
1280
diversion
85
135
210
340
535
800
1280
Rated travel L (mm)
16
25
40
60
100
Inherent flow properties
Straight lines, parabolas
Working temperature (° C)
Ordinary type: cast iron: -20~200, cast steel: -40~250, cast stainless steel: -60~250
Heat dissipation type: cast steel: -40~450, cast stainless steel: -60~450
Medium temperature (° C)
Below 200 (for merging)
Inherent adjustable ratio R
30:1
Nominal pressure PN (MPa)
1.6, 4.0, 6.4
Allowable leakage amount
Hard seal: Grade IV, soft seal: Grade VI
mode of action
Electric open type, electric closed type
Signal range (mA. DC)
0-10, 4-20
220V、50Hz

*The performance indicators of this product comply with GB/T4213-92.

Overall dimensionsUnit: (mm)

Nominal Diameter
25
32
40
50
65
80
100
125
150
200
250
300

Flange distance

(L)

PN16
185
200
220
250
275
300
350
410
450
550
670
770
PN40
190
200
220
255
285
310
360
430
465
560
690
795
PN64
200
210
235
265
295
320
370
440
475
570
752
819

Standard valve cover

H1

PN16
805
821
843
878
989
1014
1016
1149
1210
1230
1980
2100
PN40
805
821
843
878
989
1014
1016
1149
1210
1230
1980
2100
PN64
825
841
863
898
1009
1034
1056
1179
1216
1300
2120
2460

Medium temperature valve cover

H1

PN16
1005
1021
1043
1078
1239
1264
1266
1469
1530
1550
2330
2450
PN40
805
821
843
878
989
1014
1016
1149
1210
1230
2330
2450
PN64
1025
1041
1063
1098
1259
1284
1306
1499
1526
1620
2370
2710
H2
PN16
140
150
160
180
200
222
220
270
280
306
474
584
PN40
140
150
160
180
200
222
220
270
280
306
PN64
diversion
160
170
180
200
220
242
260
300
322
376
confluence
160
170
180
200
220
242
260
325
322
376
B
460
530
630
Flange Standard
GB:1.6、2.5、4.0、6.4MPa  ANSI:150、300、600Lb  JIS:10K、20K、30K
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