valve body:
form:Angle type single seat valve casting
Nominal diameter:20-300mm
Nominal form:PN1.6 4.0 6.4Mpa
Connection type: flange typeJB78-59 JB79-59
Material Science:HT200 ZG230—450 ZG1Cr18Ni9Ti ZG0Cr18Ni12Mo2Ti
Upper valve cover:
Normal temperature type:-20℃-+200℃
Heat dissipation type:-40℃-+450℃
Gland form: bolt clamp
Packing: V PTFE packing, flexible graphite, stainless steel bellows
Valve inner organization:
Spool type: single seat valve plunger guide
Flow characteristics: equal percentage characteristics, straight line characteristics and fast opening characteristics
Material Science:1Cr18Ni9Ti 0Cr18Ni12M02Ti
Enforcement agencies:
Type: optional PS, 3810, ZAZ type (within DN100), DKZ type (DN100) series of electronic direct stroke actuator.
Explosion proof type selection of 3810 series of technical parameters and performance: please refer to the corresponding actuator and valve positioner。
ZDSJElectric angle type control valve specification parameter table:
Nominal diameter DN |
20 |
25 |
32 |
40 |
50 |
65 |
80 |
100 |
125 |
150 |
200 |
250 |
300 |
|
Valve seat diameter dn(mm) |
20 |
25 |
32 |
40 |
50 |
65 |
80 |
100 |
125 |
150 |
200 |
250 |
300 |
|
Rated flow coefficient Kv |
6.5 |
10 |
16 |
25 |
40 |
63 |
100 |
160 |
250 |
400 |
630 |
|
|
|
Trip mm |
10 |
16 |
25 |
40 |
60 |
100 |
100 |
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Allowable differential pressureΔMPa |
6.1 |
3.8 |
2.3 |
1.4 |
1.0 |
2.3 |
1.6 |
1.0 |
0.8 |
0.6 |
0.4 |
|
|
|
Basic error% |
±2.5 |
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Return difference% |
2.5 |
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dead zone% |
1.0 |
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Always point deviation% |
±2.5 |
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Rated Travel Deviation% |
2.5 |
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Allowable leakage Q |
KvThe value of the0.1% |
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Adjustable range |
30:1 |
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Electric actuator model |
PSL |
PSL201 |
PSL202 |
PSL204 |
PSL208 |
PSL312 |
PSL320 |
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|
3810L |
SA-08 |
381LSA-30 |
381LSB-30 |
381LSB-50 |
381LSC-65 |
381LSC-160 |
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Nominal pressure Medium temperature valve Bulk material |
1.6MPa |
Room temperature -20 C ~ +200 c c c c c HT200 |
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|
4.0MPa |
Cast steel ZG25 cast stainless steel ZG1Cr18Ni9Ti cast stainless steel at room temperature +200 |
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|
|
Cast steel ZG25 cast stainless steel ZG1Cr18Ni9Ti cast stainless steel -40 |
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|
6.4MPa |
Cast steel ZG25 cast stainless steel ZG1Cr18Ni9Ti cast stainless steel at room temperature +200 |
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|
|
Cast steel ZG25 cast stainless steel ZG1Cr18Ni9Ti cast stainless steel -40 |
Main parts materials and recommended temperature range:
body material |
Nominal pressure MPa |
Working temperature of medium℃ |
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|
〈 |
〈 |
〈 |
〈 |
〈 |
〈 |
〈 |
〈 |
〈 |
〈 |
〈 |
〈 |
〈 |
〈 |
|
|
120 |
200 |
250 |
300 |
350 |
400 |
425 |
450 |
475 |
500 |
525 |
550 |
575 |
600 |
|
|
Maximum working pressure MPa |
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cast ironHT200 |
1.6 |
1.6 |
1.5 |
|
|
|
|
|
|
|
|
|
|
|
|
cast steelZG25 |
4.0 6.4 |
|
4.0 6.4 |
3.7 5.9 |
3.3 5.2 |
3.0 4.7 |
2.8 4.1 |
2.3 3.7 |
1.8 2.9 |
|
|
|
|
|
|
Cast stainless steelZG1Cr18Ni9Ti |
4.0 6.4 |
|
|
|
|
4.0 6.4 |
3.0 4.4 |
2.7 4.2 |
2.4 4.0 |
2.1 3.8 |
1.9 3.5 |
1.7 3.4 |
1.4 3.2 |
1.1 2.9 |
0.8 2.6 |
Nominal diameter DN(mm) |
L(mm) |
H1mm |
H(mm) |
Rmm |
weight(kg) |
|
PN(MPa) |
|
Normal atmospheric temperature |
Medium temperature |
|
PN1.6 MPa |
|
1.6 |
|
|
|
|
|
|
20 |
100 |
100 |
740 |
870 |
176 |
15.5 |
25 |
115 |
115 |
740 |
870 |
176 |
25 |
32 |
130 |
130 |
785 |
915 |
176 |
27.5 |
40 |
130 |
130 |
770 |
900 |
176 |
28.5 |
50 |
150 |
150 |
785 |
920 |
176 |
32.5 |
65 |
170 |
170 |
915 |
1080 |
225 |
59 |
80 |
190 |
190 |
975 |
1140 |
225 |
59 |
100 |
215 |
215 |
1035 |
1200 |
225 |
87 |
125 |
250 |
250 |
1145 |
1285 |
225 |
133 |
150 |
275 |
275 |
1200 |
1340 |
225 |
171 |
200 |
325 |
325 |
1255 |
1400 |
225 |
269 |