Parts
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.
Technical data of gates DNOVA WBV1132N-2W-Fb QT-N-EM-O1-24VDC-U1
| Nominal diameter DN, mm | 40-300 |
| Working pressure PN, bar | 16 |
| Temperature of working environment t, °C | from -20 to +90 |
| Working environment | water, mineral oils, hydrocarbons, oils, fats |
| Direction of flow | bilateral |
| Body material | cast iron GG25 |
Detail sketch of gate valves DNOVA GG25-316L-NBR DN40-300 Ru16
Materials of parts of gate valves DNOVA GG25-316L-NBR DN40-300 Ru16
| Item No. | Part name | Material |
| 1 | Frame | cast iron GG25 |
| 2 | Saddle seal | NBR |
| 3 | Disk | Stainless steel 316L |
| 4 | Stock | SS AISI 416 |
| 5 | Pin | SS AISI 420 |
| 6 | Sleeve | PTFE |
| 7 | Sealing ring | NBR |
| 8 | Plate | carbon steel |
Gate sketch DNOVA WBV1132N-2W-Fb QT-N-EM-O1-24VDC-U1
Overall and installation dimensions of gate DNOVA WBV1132N-2W-Fb QT-N-EM-O1-24VDC-U1
| D.N. |
Electric drive model |
E, mm | L1, mm | A, mm | C, mm | Weight, kg |
|---|---|---|---|---|---|---|
| 40 | 003 | 34 | 123 | 114 | 113 | 4,056 |
| 50 | 003 | 43 | 123 | 131 | 113 | 4,056 |
| 40 | 005 | 34 | 160 | 114 | 146 | 5,556 |
| 50 | 005 | 43 | 160 | 131 | 146 | 5,556 |
| 65 | 005 | 46 | 160 | 140 | 146 | 5,933 |
| 80 | 005 | 46 | 160 | 150 | 146 | 6,177 |
| 100 | 008 | 52 | 160 | 163 | 146 | 7.72 |
| 125 | 015 | 56 | 189 | 178 | 163 | 9.89 |
| 150 | 015 | 56 | 189 | 191 | 163 | 11.23 |
| 200 | 060 | 60 | 268 | 238 | 212 | 25.67 |
| 250 | 060 | 68 | 268 | 285 | 212 | 31,42 |
| 300 | 060 | 78 | 268 | 315 | 212 | 41.83 |
Characteristics of 24 V actuators
| Electric drive model | Torque | Opening hours |
|---|---|---|
| Nm | sec | |
| DNOVA 003 blue | 30 | 25 |
| DNOVA-003 24V | 30 | 20 |
| DNOVA-005 24V | 50 | 30 |
| DNOVA-008 24V | 80 | 30 |
| DNOVA-015 24V | 150 | 30 |
| DNOVA-060 24V | 600 | 30 |
| Electric drive model | Power | Current | Weight | Rod size square |
|---|---|---|---|---|
| Tue | A | kg | mm | |
| DNOVA 003 blue | 25 | 0,1 | 1,2 | 11 |
| DNOVA-003 24V | 9 | 0.5 | 2.1 | 11 |
| DNOVA-005 24V | 10 | 0.5 | 3.6 | 14 |
| DNOVA-008 24V | 10 | 0.5 | 3.6 | 14 |
| DNOVA-015 24V | 15 | 0.8 | 4.6 | 17 |
| DNOVA-060 24V | 60 | 3 | 14 | 27 |
- Body material
- Cast iron GG25/EN-GJL-250
- Maximum allowable temperature
- 90 °C
- Connection type
- Compact flanged
- Control type
- Electric actuator
- Nominal pressure
- 16 bar
- Type of seal
- NBR
- Disc material
- Stainless steel AISI 316L/1.4404
- Voltage
- 24V
- Actuator cycle time
- 20s
- Valve feedback
- Limit switches
- Explosion-proof
- No
- Thermal protection
- Yes
- Torque
- 22 Nm
- Pneumatic actuator
- No
- Manual override
- Yes
- 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.