Suitable for non-critical complex control tasks uses in applications such as industrial complexes, plant construction and process
technology installations for mediums such as cooling water, cooling brine, warm water, hot water and steam.
Offered as standard in the trim with Cast Iron Body, Stainless Steel Trim and the Spring-Loaded PTFE V-Ring unit complete with
electric actuator with integrated positioner unit. Options available upon request include different trim materials, parabolic
plugs with PTFE seats, miniature Kvs values, increased tightness on seats i.e. Class IV leakage rate.
If you are not sure of the size, you require for your process please do not hesitate to get in contact with our Technical Sales
team who will be able to size the correct valve for your process.
Key Features:
* Flanged Connection
* Cast Iron Body & Stainless Steel Trim
* Spring Loaded PTFE V-Ring Unit
* Electric Actuator (90-264V AC 47-63Hz), 0-10V or 4-20mA Input
* Up to -10 to +220°C Temperature Rated
* DN15 to DN100, Kvs from 1 to 100
* 50:1 Rangeability
Specification
| Control valve Body type: |
3-way casting globe type |
| Spool type: |
3-way double seat spool |
| Nominal size: |
DN20~300,、 NPS 3/4〞~ 12〞 |
| Nominal pressure: |
PN16 ~ 100、 CLASS 150LB ~ 600LB |
| Connection: flange: |
FF、RF、MF、RTJ |
| Welding: |
SW、BW |
| Flange dimension: |
According to to IEC 60534 |
| Electric 3-way control valve
Bonnet type: |
Ⅰ:standard type（-20℃~230℃）
Ⅱ:Radiator type: （-45℃~ high than 230℃ occasion）
Ⅲ:Low temperature extended type（-196℃~ -45℃）
Ⅳ:Bellow seal type
Ⅴ:Warm insulation Jacket type |
| Packing: |
V type PFTE packing, flex. graphite packing, etc. |
| Gasket: |
Metal graphite packing |
| Electric 3-way control valve Actuator: |
Electric:373 series smart actuator |
Belz electric actuator three way control valve for conduction oil performance
| Electric 3-way control valve Flow characteristic |
Linear, percentage |
| Allowable range |
30: 1 |
| Rated Cv value |
Percentage / linear CV8.5~1280 |
| Electric 3 way control valve
Allowable leakage |
Metal seal: IV grade（0.01% rated capacity）
Leakage standard: GB/T 4213 |
| Electric 3-way control valve Performance |
| Intrinsic error (%) |
±1.0 |
| Return difference(%) |
≤1.0 |
| Dead zone(%) |
≤1.0 |
| Difference from beginning to end point(%) |
±2.5 |
| Rated travel difference(%) |
≤2.5 |
Belz electric actuator three way control valve for conduction oil technical parameter
| Seat diamter（mm） |
25 |
32 |
40 |
50 |
65 |
80 |
100 |
125 |
150 |
200 |
250 |
300 |
| Rated flow coefficient, CV |
8.5 |
13 |
21 |
34 |
53 |
85 |
135 |
210 |
340 |
535 |
800 |
1280 |
| Nominal size |
Travel |
Option flow coefficient Cv（★standard ●recommended） |
| DN25 |
16 mm |
★ |
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| DN32 |
25 mm |
|
★ |
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| DN40 |
|
● |
★ |
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| DN50 |
|
● |
● |
★ |
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| DN65 |
40mm |
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★ |
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| DN80 |
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● |
★ |
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| DN100 |
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● |
● |
★ |
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| DN125 |
60mm |
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★ |
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| DN150 |
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● |
★ |
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| DN200 |
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● |
● |
★ |
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| DN250 |
100mm |
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● |
● |
★ |
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| DN300 |
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● |
● |
★ |