How it works
Electric quarter-turn actuator
Butterfly disc
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
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 WBV3232V-2W-Fb DN50-300 Ru16, body - stainless steel 316L, disc - stainless steel 316L, seal - Viton, with 1/4-turn electric actuator QT-N-EM-O1-380VAC-U1 380V
General parameters of disc gate valves DNOVA WBV3232V-2W-Fb QT-N-EM-O1-380VAC-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, °C | 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 gate valves DNOVA WBV3232V-2W-Fb QT-N-EM-O1-380VAC-U1 DN50-300
Dimensions of disc gate valves DNOVA WBV3232V-2W-Fb QT-N-EM-O1-380VAC-U1 DN50-300:
| DN | H1, mm | H2, mm | Dm, mm | Dk, mm | L, mm | ØC, mm |
| DN50 | 62 | 126 | 73 | 90 | 43 | 125 |
| DN65 | 72 | 133 | 85 | 103 | 46 | 145 |
| DN80 | 91 | 142 | 100 | 116 | 46 | 160 |
| DN100 | 107 | 165 | 131 | 151 | 52 | 180 |
| DN125 | 121 | 183 | 155 | 174 | 56 | 210 |
| DN150 | 134 | 195 | 184 | 205 | 56 | 240 |
| DN200 | 171 | 236 | 234 | 255 | 60 | 295 |
| DN250 | 197 | 276 | 288 | 315 | 68 | 355 |
| DN300 | 240 | 315 | 340 | 375 | 78 | 410 |
Material specification of disc gate valves DNOVA WBV3232V-2W-Fb QT-N-EM-O1-380VAC-U1 Du50-300:
| № | 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 |
Maximum torques of disc gate valves DNOVA WBV3232V-2W-Fb QT-N-EM-O1-380VAC-U1 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 actuators DNOVA 380V:
DNOVA electric quarter-turn actuators are designed for remote and local control of shut-off valves. Widely used in gas, oil, metallurgical and food industries, housing and utilities, etc. with ambient temperature from -20°...+70°C.
The enclosure is equipped with a heater (7-10W 220V) and has the following degrees of protection: IP67, NEME 4 and 6, anti-corrosion coating. The installation dimensions comply with the international standard ISO05211 / DIN3337. The actuator is equipped with an asynchronous motor with squirrel cage rotor, auto-locking of the actuator position, mechanical handle, thermal protection, protection against vibration X Y Z 10g (0,2-34 Hz, 30 minutes) and is designed for operation in repeated-short-time mode S2. The actuator stroke is 90° with an adjustment range of ±10°. The actuator travel is limited by limit switches. Cable connection 2 x M18. Power supply is carried out by 3-phase alternating voltage 380 V with frequency 50 Hz.
Parameters of actuators DNOVA 380V:
| Electric drive model | Maximum torque, Nm | Working time, sec | Power, W | Current, A | Weight, kg | Rod size square, mm |
| DNOVA-008 | 80 | 30 | 10 | 0.25 | 3.6 | 11 or 14 |
| DNOVA-015 | 150 | 30 | 15 | 0.37 | 4.6 | 14 or 17 |
| DNOVA-040 | 400 | 30 | 60 | 0.33 | 13.8 | 22 |
| DNOVA-060 | 600 | 30 | 90 | 0.33 | 14 | 27 |
- Body material
- Stainless steel AISI 316
- Maximum allowable temperature
- 200 °C
- Connection type
- Compact flanged
- Control type
- Electric actuator
- Nominal pressure
- 16 bar
- Type of seal
- Viton
- Disc material
- Stainless steel AISI 316L/1.4404
- Voltage
- 380V
- Actuator cycle time
- 30s
- Valve feedback
- Limit switches
- Explosion-proof
- No
- Thermal protection
- Yes
- Torque
- 420 Nm
- Pneumatic actuator
- No
- Manual override
- No
- Limit switches
- No
- 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