The R&D concept behind the piston valve is designed to meet specific requirements that differ from traditional pipeline cut-off valves and gate valves. Unlike these, the piston valve utilizes a piston-like cylinder within the valve body to achieve axial movement, enabling precise flow control. This design allows for superior performance in various industrial applications.
Product Features & Design Highlights:
- Adaptable to different fluid conditioning needs in factory environments
- Excellent anti-cavitation properties
- High flow capacity
- Long-lasting sealing system
- Dual sealing using both metal and elastic materials
- Tight shut-off capability
- Pressure-balanced actuation mechanism
- Low operating force
Depending on the operational conditions, replacement of certain components is possible. The stainless steel piston ensures reliable and smooth sliding without tilting or sticking. It can be installed in any orientation, offering flexibility in application.
How It Works:
The fluid enters the valve through an axial arc, creating a ring-shaped flow cross-section regardless of the piston's position. At the outlet, the flow contracts axially to prevent cavitation and reduce damage to the valve body and pipeline. The valve offers linear regulation with standard sizes ranging from DN150 to DN1200.
Key Features:
- Control valve used for fluid regulation
- Open condition features a ring-shaped flow area
- Linear adjustment capability
- Integrated valve body design
- Customizable control elements based on working conditions
- Outlet controlled via a crank-driven mechanism
- Standard gearboxes with position indicators
- Flange standards follow EN1092, PN10/16
- Body length conforms to EN558-1, basic sequence 15 (DIN3202, F4)
Applications:
1. **Water Diversion**: VAG piston valves can function as relief valves, and when equipped with an annular venting device, they can also serve as explosion-proof pipe valves.
2. **Storage**: VAGLH or E-type piston valves are suitable for liquid level or pressure control.
3. **Water Systems**: VAGLH or S-type piston valves can act as flow control valves, while E or LH types can be used as net valves or filling valves.
4. **Water Treatment / Sewage Treatment**: VAG E-type piston valves can protect pumps during startup or regulate flow in water treatment plants. They can also function as gas control valves in sewage treatment facilities.
5. **Water Supply**: Depending on the application, different outlet components allow the valve to serve as a pressure or flow control valve, such as for network pressure balancing.
Suitable for a wide range of media, including all types of fluids, this versatile piston valve is ideal for environments where precise flow control and durability are essential.
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