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Two-seat control valve, ZDLN electric fine small two-seat control valve
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ZDLN electric fine small two-seat control valve adopts double guide structure, equipped with 3601L series of electronic straight trip electric actuator. With compact structure, light weight, sensitive action, large valve capacity, precise flow characteristics, easy disassembly and so on. Used in the precise control of gas, liquid, steam and other media parameters such as pressure, flow, temperature, liquid level maintained at a given value. Particularly suitable for large pressure, allowing leakage is also large and not very clean media occasions The

This series of products are standard, bellows sealed, jacket insulation, and other varieties. Product nominal pressure rating PN16,40,64; nominal diameter range DN25 ~ 400. Applicable fluid temperature range of -250 ℃ ~ + 560 ℃ within a variety of grades. The leakage standard is grade II or grade IV. Flow characteristics are linear or equal percentage. A wide variety of specifications are available.

Main parts materials

Body, bonnet: HT200, ZG230 ~ 450, ZG1Cr18Ni9Ti 
Spool, stainless steel bellows gasket: rubber asbestos board, 1cr18Ni9Ti, graphite spiral wound gasket stem, putter: 2Cr13,1Cr18Ni9Ti 
Bushing: 2Cr13

Dimensions


Common diameter (mm)
25
32
40
50
65
80
100
125
150
200
250
300
L (mm)
PN1.6MPa
185
200
220
250
275
300
350
410
450
550
670
770
PN4.0MPa
190
210
230
255
285
310
355
425
460
560
740
805
PN6.4MPa
200
210
235
265
295
320
370
440
475
570
750
820
H1 (mm)
117
120
139
144
188
208
220
268
278
320
441
503
With PSL
H (mm)
normal type
907
910
955
960
1112
1122
1134
1213
1223
1265
1813
1889
Heat sink type
1037
1040
1085
1090
1275
1285
1297
1412
1422
1464
1058
2134
D (mm)
176
225
Weight (KG)
22.5
24.5
35.5
39.5
72
85
122
181
237
378
680
840
With 361L
H (mm)
normal type
670
673
840
845
1037
1047
1059
1293
1303
1345
1538
1614
Heat sink type
800
803
970
975
1,200
1210
1222
1492
1502
1544
1783
1859
D (mm)
225
310
Weight (KG)
30
32
51
55
87
100
137
194
250
391
720
880


Structure diagram


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