
In detail
What it is made of
How it works
Static balancing valve
The number that matters
Nominal pressure
16bar
The pressure class of the valve body at 20 °C. Working limits depend on the medium and its temperature.
Construction
Parts and materials
Applications
Media and industries
- Water
- Oils
- Ethylene Propylene Glycol 50%
- Heat Supply
- Refrigeration
Balancing valves are used for hydraulic balancing, regulation and limitation of coolant flow in heating, refrigeration and air conditioning systems.
Basic technical data of flanged balancing valve DNOVA VB1431V-F
| Parameter | Value |
|---|---|
| Nominal Diameter (DN), mm | 15 – 300 |
| Nominal Pressure, bar | 16 |
| Medium Temperature, °C | from -5 to +150 |
| Ambient Temperature, °C | from 0 to +50 |
| Working Medium | Water, ethylene-propylene glycol 50% |
| Connection Type | Flanged |
| Valve Type | Balancing valve |
| Body Material | Ductile iron GGG50 |
| Stem Material | Stainless steel AISI 304 |
| Disc Material | Stainless steel AISI 304 |
| Sealing Material | Viton |
| Application Fields | Heating, cooling, and air conditioning systems |
| Leakage class | IV |
| Average Service Life, years | 6 |
Overall and installation dimensions of the flanged balancing valve DNOVA VB1431V-F
| DN | A | B | C | D | E | F | H | G | Weight |
| 15 | 150 | 95 | 65 | 20 | 15 | 14 | 135 | 20 | 3 |
| 20 | 150 | 105 | 75 | 25 | 15 | 14 | 135 | 25 | 3,5 |
| 25 | 182 | 116 | 85 | 30 | 15 | 14 | 165 | 30 | 4 |
| 32 | 182 | 140 | 100 | 35 | 15 | 18 | 165 | 35 | 4,5 |
| 40 | 232 | 145 | 110 | 50 | 17 | 18 | 245 | 50 | 10 |
| 50 | 232 | 155 | 125 | 50 | 17 | 18 | 245 | 50 | 10 |
| 65 | 294 | 180 | 145 | 65 | 18 | 18 | 250 | 65 | 12 |
| 80 | 310 | 195 | 160 | 80 | 20 | 18 | 255 | 80 | 16 |
| 100 | 345 | 215 | 180 | 100 | 21 | 18 | 290 | 100 | 22 |
| 125 | 395 | 245 | 210 | 125 | 21 | 18 | 310 | 125 | 33 |
| 150 | 480 | 280 | 240 | 150 | 23 | 23 | 340 | 150 | 50 |
| 200 | 530 | 335 | 295 | 200 | 21 | 23 | 470 | 200 | 91 |
| 250 | 555 | 405 | 355 | 250 | 24 | 26 | 490 | 250 | 118 |
| 300 | 600 | 455 | 410 | 300 | 25 | 27 | 530 | 300 | 155 |

Detail sketch of flanged balancing valve DNOVA VB1431V-F
Throughput values depending on the handle revolutions
| DN | Handle revolutions | ||||||||
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | |
| Flow capacity, Kv (m3/h) | |||||||||
| 15 | 0,16 | 0,37 | 0,87 | ||||||
| 20 | 0,28 | 0,64 | 1,52 | 3,5 | |||||
| 25 | 0,36 | 0,82 | 1,91 | 4,5 | |||||
| 32 | 0,96 | 1,82 | 3,58 | 7,1 | 14 | ||||
| 40 | 1,71 | 3,25 | 6,4 | 12,7 | 25 | ||||
| 50 | 2,97 | 5,17 | 9,15 | 16,5 | 31 | 50 | |||
| 65 | 5,1 | 8,29 | 14,4 | 22,24 | 35,8 | 58 | 95 | ||
| 80 | 7,56 | 12,2 | 21,2 | 32,7 | 52,7 | 85,4 | 140 | ||
| 100 | 10,7 | 15,6 | 22,8 | 33,26 | 48,3 | 70,3 | 102 | 147,7 | 220 |
| 125 | 17 | 24,9 | 36,3 | 52,9 | 76,8 | 112 | 163 | 235 | 350 |
| 150 | 21,1 | 27,9 | 38 | 49,8 | 64,9 | 87,8 | 116 | 153 | 209 |
| 200 | 44 | 58 | 79 | 104 | 135 | 183 | 241 | 320 | 435 |
| 250 | 57,2 | 75,5 | 103 | 135 | 176 | 238 | 314 | 416 | 566 |
| 300 | 88 | 116 | 158 | 208 | 270 | 336 | 482 | 640 | 870 |
- Body material
- Cast iron
- Connection type
- Flanged
- Operating environment
- Water, Oils, and Ethylene Propylene Glycol 50%
- Applications
- Heat Supply and Refrigeration
- Nominal pressure
- 16 bar
- Type of seal
- Fluorine rubber
- Locking material
- VITON
- Balancing valve type
- Static
- Country of origin
- China
Production. Usually 7–14 business days after you approve the quotation and pay. Made-to-specification items are confirmed in the quotation.
Freight. Not charged at checkout. A manager quotes air and sea freight to your port or airport, and nothing ships until you approve the price and the freight.
To North America. From approval and payment to the destination port or airport: air 14–24 days, sea 32–60 days. Estimates, not guarantees.
Terms. EXW Ningbo or FOB Ningbo Port; CIF on request. The agreed term is written on the Proforma Invoice.
Total items
Product subtotal