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 WBVV3432V-2W-Fb DN50-300 Ru16, body - carbon steel WCB, disc - stainless steel 316L, seal - Viton, with 1/4-turn electric actuator QT-EX-EM-O1-24VDC-U1 24V
General parameters of shutters DNOVA WBV3432V-2W-Fb QT-EX-EM-O1-24VDC-U1 DN50-300:
| Nominal diameter DN, mm | 50 – 300 |
| Nominal pressure PN, MPa (kg/cm2) | 1.6 (16) |
| Direction of flow | bilateral |
| Ambient temperature t, ⁰C | From -20 to +200: for VITON |
| Working environment | VITON: mineral and vegetable oils, animal fats, plastic lubricants and fuel, hot air, steam |
| Connection to the pipeline | interflange |
Sketch of dimensions of disc gates DNOVA Viton (carbon steel) DN50-300
Dimensions of disc gate valves DNOVA Viton (carbon steel) DN50-300:
| DN | H1, mm | H2, mm | Dm, mm | Dk, mm | L, mm | ØC, mm |
| DN50 | 66 | 126 | 73 | 90 | 43 | 125 |
| DN65 | 74 | 137 | 85 | 103 | 46 | 145 |
| DN80 | 91 | 146 | 100 | 116 | 46 | 160 |
| DN100 | 105 | 166 | 131 | 151 | 52 | 180 |
| DN125 | 121 | 182 | 155 | 174 | 56 | 210 |
| DN150 | 134 | 198 | 184 | 205 | 56 | 240 |
| DN200 | 169 | 223 | 234 | 255 | 60 | 295 |
| DN250 | 200 | 270 | 288 | 315 | 68 | 355 |
| DN300 | 240 | 299 | 340 | 375 | 78 | 410 |
Material specification of disc gate valves DNOVA Viton (carbon steel) DN50-300:
| № | Name | Material |
| 1 | Body | WCB steel or AISI 316L stainless steel |
| 2 | Cuff | VITON |
| 3 | Disc | AISI 316L stainless steel |
| 4 | Stem | SS 416/2Cr13 stainless steel |
| 5 | Pin | AISI 316L stainless steel |
| 6 | Bushing | EPDM |
| 7 | Sealing ring | EPDM |
| 8 | Fixing plate | Carbon steel |
Sketch Butterfly valves DNOVA Water Butterfly Valve DNOVA
Maximum torques of disc gates DNOVA Viton (carbon steel) DN50-300:
| D.N. | Torque at 16 bar, Nm |
| 50 | 50 |
| 65 | 50 |
| 80 | 50 |
| 100 | 50 |
| 125 | 80 |
| 150 | 100 |
| 200 | 300 |
| 250 | 400 |
| 300 | 400 |
Description of explosion-proof actuators DNOVA-EX 24 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.
The enclosure is equipped with a heater (7-10W 220V) and has the following degrees of protection: IP67, NEME 4 and 6, Anticorrosive coating. ExdIICT4 explosion protection standard. The actuator is equipped with an asynchronous motor with squirrel cage rotor, auto-locking of the actuator position and manual double-actuator. The actuator control type is ON / OFF. Actuator stroke 90° with adjustment range ±10°. Cable connection 2 x M18. Power supply is 24 V DC voltage.
Electrical connection diagram for explosion-proof actuator DNOVA EX
24 V
Parameters of explosion-proof actuators DNOVA EX 24 V:
| Model | Nominal current for 24 V, A | Power, W | Cycle time (90° rotation), sec |
|---|---|---|---|
| EX-010 | 6 | 25 | 15 |
| EX-015 | 8 | 40 | 15 |
| EX-020 | 8 | 40 | 18 |
| EX-030 | 10 | 120 | 20 |
| EX-050 | 10 | 120 | 20 |
| EX-080 | 14 | 180 | 25 |
| EX-100 | 14 | 180 | 25 |
| EX-160 | 14 | 180 | 75 |
| EX-200 | 14 | 180 | 75 |
Specifications
Delivery
The cost and delivery time for your order depend on several factors, including the specific product you are ordering, the quantity, and the country of destination. Each product may have different manufacturing lead times and shipping requirements, which can affect the overall delivery schedule.
To get the most accurate and up-to-date information on delivery costs and timelines, we recommend contacting our sales managers. They will be happy to provide you with a detailed quote and estimated delivery time based on your specific requirements.
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