Parts
How it works
Manual quarter-turn gearbox
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.
Overall and installation dimensions of the gate valve DNOVA WBV3432E-2W-Fb-R PN16, body material - carbon steel WCB, disk material - stainless steel AISI 316L, seal - EPDM, gear operated
| DN | A | B | C | E | ØQ | L | F | ØD | Ød | 4-Ødo | HxH | ISO | Weight |
| mm | |||||||||||||
| 400 | 392 | 310 | 50 | 86±2 | 285 | 240 | 107 | 197 | 140 | 4-18 | 27x27 | F14 | 70 |
| 500 | 440 | 381 | 50 | 127±2 | 285 | 255 | 174 | 197 | 140 | 4-18 | 27x27 | F14 | 104 |
Shutter sketch DNOVA WBV3432E-2W-Fb-R PN16, body material - carbon steel WCB, disk material - stainless steel AISI 316L, seal - EPDM, gear operated
Materials of bolt parts DNOVA WBV3432E-2W-Fb-R PN16, body material - carbon steel WCB, disk material - stainless steel AISI 316L, seal - EPDM, gear operated
| No. | Part Name | Material |
| 1, 2 | End Cap, Body | WCB Steel |
| 3 | Seat Seal | EPDM / PTFE |
| 4 | Disc | Stainless Steel AISI 316L |
| 5 | Stem | Stainless Steel SS 416 / 2Cr13 |
| 6 | Stud | Composite Material |
| 7 | Coupling | EPDM |
| 8 | O-Ring | EPDM |
| 9 | Gearbox | – |
- Body material
- Carbon steel
- Maximum allowable temperature
- 120 °C
- Connection type
- Compact flanged
- Control type
- Gear
- Nominal pressure
- 16 bar
- Type of seal
- EPDM
- Disc material
- Stainless steel AISI 316L/1.4404
- Torque
- 850 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.