Main Products: Automatic Control Valve ,Pipeline Ball Valve ,Metal Seated Ball Valve
Electric Low Load Butterfly Valve with DN50 - DN1800 Size CS / SS Material
Negotiable /Kilogram
Min.Order:1 Kilogram
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Zhejiang yongsheng technology co.,ltd.
Business Type: Trading Company
ChinaMain Products: Automatic Control Valve ,Pipeline Ball Valve ,Metal Seated Ball Valve
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Product Details
Electric Low Load Butterfly Valve with DN50 - DN1800 Size CS / SS Material
Electric Low-load on-off butterfly valve
General
ZDRW Series of Low Load Butterfly Valve,the body and disc are welded by the steel plate. Its features are simple structure, compact and light, easy operation. Equipped with rack and pinion type pneumatic actuator or electronic type electric actuator, and it is applicable to low pressure or high temperature gas.
Table 1
|
Item |
Part |
Materials |
|
1 |
Body |
Q235B,304,316 |
|
2 |
Disc |
Q235B,304,316 |
|
3 |
Guide sleeve |
QAl9-4,316 |
|
4 |
Lower cover |
Q235B,304,316 |
|
5 |
Bearing |
Bearing steel |
|
6 |
Lower stem |
304,316 |
|
7 |
Upper stem |
304,316 |
|
8 |
Packing gland |
304 |
|
9 |
Packing |
PTFE,Flexible graphite |
|
10 |
Stud |
35,304 |
|
11 |
Nut |
45,304 |
Specification and Technical Parameter
Table 2 Rated Flow Coefficient
|
DN(mm) |
100 |
150 |
200 |
250 |
300 |
350 |
400 |
450 |
500 |
600 |
|
Rated Kv |
405 |
1150 |
2030 |
3150 |
4550 |
6200 |
8100 |
10260 |
13500 |
19800 |
|
DN(mm) |
700 |
800 |
900 |
1000 |
1100 |
1200 |
1300 |
1400 |
1500 |
1600 |
|
Rated Kv |
27000 |
35700 |
44600 |
55080 |
66650 |
81000 |
95060 |
110250 |
125000 |
144000 |
Table 3 Technical Parameter
|
DN(mm) |
DN100～1600(4”～64”) |
|
PN(MPa) |
0.25,0.6 |
|
Inherent flow characteristic |
EQ% |
|
Pneumatic actuator type |
Single acting,Double acting |
|
Supply air pressure(MPa) |
0.4 |
|
Electronic actuator |
According to the required torque |
|
Voltage |
220V.AC 50Hz 380V.AC 50Hz(Three-phase) |
|
Connection |
PN≤0.6MPa HG/T20592-2009 RF |
|
Working temperature (℃) |
Carbon steel:-20～425℃,Stainless steel:-40～595℃ |
Note:The thickness of flange according to HG/T20592-2009 PN0.25MPa.
Table 4 Main Performance Parameter
|
Item |
Description |
Open type |
Back-seat type |
10°sealing type |
|
1 |
Basic error |
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