Description
A water butterfly valve is a type of valve used to control the flow of water or other fluids through a pipeline. It gets its name from the butterfly-shaped disc inside the valve that rotates to open or close the flow. When the valve is fully open, the disc is positioned parallel to the flow direction, allowing unobstructed passage of water. When the valve is closed, the disc is turned perpendicular to the flow, effectively blocking the flow of water. Water butterfly valves are commonly used in various industries and applications, including water treatment plants, sewage systems, irrigation systems, and industrial processes. They are known for their compact design, lightweight construction, and ease of installation. These valves are often preferred for their quick operation, as the disc can be opened or closed with a simple quarter-turn motion. Butterfly valves can be operated manually with a handle or lever, or they can be automated using electric, pneumatic, or hydraulic actuators to control the valve remotely. They are known for their low-pressure drop and relatively low cost compared to other types of valves. It's worth noting that water butterfly valves are specifically designed for use with water and compatible fluids. Different materials and designs may be required for valves intended for use with corrosive or high-pressure fluids. It's important to select the appropriate type of butterfly valve based on the specific application and fluid requirements.
Butterfly valves DNOVA WBV1432E-2W-Fb DN40-300 Ru16, body - cast iron GGG50, disc - stainless steel 316L, seal - EPDM, with 1/4-turn electric actuator QT-EX-EM-O1-380VAC-U1 380V
General parameters of shutters DNOVA WBV1432E-2W-Fb QT-EX-EM-O1-380VAC-U1 DN40-300:
| Nominal diameter DN, mm | 40 - 300 |
| Working pressure PN, bar | 16 |
| Temperature of working environment t, ⁰C | from -20 to +90 |
| Working environment | water, mineral oils, hydrocarbons, oils, fats |
| Direction of flow | bilateral |
| Connection to the pipeline | interflange |
| Body material | cast iron GGG50 |
Sketch of dimensions of DNOVA EPDM disc gate valves (High-strength cast iron GGG50/VCh50/EN-GJS-500-7) DN40-300
Dimensions of disc gate valves DNOVA EPDM (High-strength cast iron GGG50/VCh50/EN-GJS-500-7) DN40-300:
| DN | A | B | C | ØD | d | G | CH | Passing section diameter |
| 40 | 105 | 55 | 33 | 75 | 10 | 30 | 9x9 | 50 |
| Dn | A | B | C | ØD | d | G | CH (rod) | ISO | Torque | Weight |
| mm | Nm | kg | ||||||||
| 50 | 161 | 80 | 43 | 84.5 | 10 | 30 | 9x9 | F05 | 23 | 2.2 |
| 65 | 175 | 89 | 45 | 104.5 | 10 | 30 | 9x9 | F05 | 29 | 2.5 |
| 80 | 181 | 95 | 45 | 123.5 | 10 | 30 | 9x9 | F05 | 39 | 2.9 |
| 100 | 200 | 114 | 52 | 139.5 | 10 | 30 | 11x11 | F07 | 59 | 3.8 |
| 125 | 213 | 127 | 55 | 169.5 | 10 | 30 | 14x14 | F07 | 84 | 5.8 |
| 150 | 226 | 139 | 55 | 196 | 10 | 30 | 14x14 | F07 | 86 | 7.4 |
| 200 | 260 | 175 | 60 | 247 | 12 | 30 | 17x17 | F10 | 220 | 12.5 |
| 250 | 292 | 203 | 68 | 304 | 12 | 40 | 22x22 | F10 | 350 | 18.9 |
| 300 | 337 | 242 | 78 | 358 | 12 | 40 | 22x22 | F10 | 420 | 27.0 |
Material sketch of disc gate DNOVA WBV1432E-2W-Fb QT-EX-EM-O1-380VAC-U1 DN40-300
Material specification of disc gate valves DNOVA WBV1432E-2W-Fb QT-EX-EM-O1-380VAC-U1 DN40-300:
| No. | Name | Material |
| 1 | Frame | Cast iron GGG50 |
| 2 | Disk | steel 316L |
| 3 | Saddle seal | EPDM |
| 4 | Upper rod | steel 316L |
| 5 | Lower rod | steel 316L |
| 6, 11 | Retaining ring | AISI 201 steel |
| 7 | Anther | NBR |
| 8 | Rod gasket | NBR |
| 9 | Insert | AISI 201 steel |
| 10 | Cork | plastic |
Description of explosion-proof actuators DNOVA-EX 380 V:
Explosion-proof actuators are used in industrial explosion hazardous areas to control butterfly valves, ball valves and other quarter-turn valves with ambient temperature from -20°...+60°C.
Electrical connection diagram of explosion-proof actuator DNOVA EX 380V
Parameters of explosion-proof actuators DNOVA EX 380 V:
| Model | Rated current for 380 V, A | Power, W | Cycle time (90° rotation), sec |
|---|---|---|---|
| EX-010 | 0,2 | 15 | 18 |
| EX-015 | 0,3 | 40 | 18 |
| EX-020 | 0,3 | 40 | 20 |
| EX-030 | 0,4 | 60 | 23 |
| EX-050 | 0,8 | 120 | 23 |
| EX-080 | 1 | 180 | 27 |
| EX-100 | 1 | 180 | 27 |
| EX-160 | 1 | 180 | 81 |
| EX-200 | 1 | 180 | 81 |
Specifications
Delivery
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