In Speciality Valve, a name you can count on for plunger valve manufacturers in India, we offer you tough, corrosion-resistant valves which we designed for reliable flow and pressure regulation. Plunger valves are engineered to exacting standards, which they apply in the design of flow control devices that we see in water supply systems, power plants, and industrial pipelines. We value their strong build quality, long service life and the fact that they perform very well in high-pressure situations.
What is a Plunger Valve?
A plunger valve is a type of linear motion valve which features a cylindrical plunger that moves to control or almost completely stop the flow of fluid. The plunger’s seal against the valve seat enables very precise control and very low leakage. What sets plunger valves apart from gate or globe valves is that they offer smooth throttling action, which makes them best for continuous flow regulation.
How Does a Plunger Valve Work?
In a plunger valve, the plunger moves along the axis within the valve body. As the plunger goes up, fluid passes through the opening; as it goes down, the flow is reduced to stop. The movement may be manual, electric, or hydraulic. This design also provides for low turbulence, steady control and high reliability, which is seen to do very well under varying pressures.
Plunger Valve Types
Different industries have different requirements for plunger valve designs. We see that which of the following is true:.
- A Hydraulic Pusher Valve which operates with hydraulic actuators in high-pressure applications.
- Manual Plunger Valve - operated via a handwheel for smaller systems.
- Intec Plunger Valve, we present a specialised brand/model, which is an improved version in terms of sealing and durability.
- Pool Valve for Filter: Used in swimming pool filtration systems to control water circulation.
Components of a Plunger Valve
- Valve Body Steel, ductile iron, or alloy steel.
- The plunger is exactly machined for a perfect seal.
- Seat: Durable surface for tight shut-off.
- Stem - links the plunger to the actuator or handwheel.
- Actuator/Handwheel - for manual and automatic operation.
- Sealing and gaskets which prevent leakage during operation.
Applications of Plunger Valves
Plunger valves are used for:.
- Water treatment plants and distribution networks.
- Hydro and thermal power stations.
- Irrigation systems.
- Dams and reservoirs for flow regulation.
- Industrial cooling and process pipelines.
Industrial Use Example - Hydropower Plants
In hydropower plants, plunger valves manage water flow into turbines. They are key for efficiency and safety in energy generation due to their ability to regulate pressure without cavitation.
Other Industrial Uses of Plunger Valves
- Desalination Plants: For the control of seawater flow in the filtration and reverse osmosis processes.
- Mining Operations Control of slurry and tailings discharge at mineral processing plants.
- The Paper and Pulp Industry uses high-pressure water for paper production machinery.
- Power Supply Controls cooling water in thermal and hydro power plants.
- Steel Production: We have solutions for water cooling in continuous casting and rolling mills.
- Irrigation Systems which maintain constant outlet pressure in agricultural water distribution networks.
- Wastewater Treatment Deals with sludge flow in settling tanks and aeration basins.
- Chemical processing - we use special linings for aggressive or wear-resistant fluids.
Plunger Valve Vs Needle Valve
Feature | Plunger Valve | Needle Valve |
Design | Uses a cylindrical plunger that moves axially to control flow. | Uses a slender needle-shaped plunger for precision control. |
Flow Control | Suitable for regulating medium to high flow rates in water supply, irrigation, and industrial pipelines. | Ideal for precise, low-flow regulation in laboratory, instrumentation, and small-diameter piping. |
Applications | Hydropower plants, water treatment, sewage systems, and pumping stations. | Fuel control, chemical dosing, and fine flow adjustments in process industries. |
Pressure Handling | Can handle high pressures in large pipelines with minimal cavitation. | Designed for lower flow volumes, but can also handle high pressures in small systems. |
Maintenance | Requires periodic inspection of seals and plunger surface. | Requires careful cleaning to avoid clogging in narrow passages. |
Cost | Generally more expensive for large sizes due to heavy-duty construction. | Typically less costly for small-scale applications. |
Installation Complexity | Larger size and weight may require lifting equipment and precise alignment. | Easier to install due to compact size. |
How to Install Intex Plunger Valve
- Prepare the Pipeline. Make sure ends are clean and alignment is correct.
- Place the Valve Install in the right flow direction.
- Bolt up securely, even out the flange bolts.
- Check that the Actuation Plunger movement should be smooth.
- Test and see. Check for leaks and performance.
What is a Pool Plunger Valve?
A pool plunger valve is a manual type of valve used in swimming pools to control water flow between the filtration, backwash, and circulation systems. It also provides for easy maintenance and water management of pool operations.
Plunger valves are an integral part of industrial and water management systems because of their precise control, wear-resistant design and flexibility. In a hydropower plant, municipal water network, or in a swimming pool setting, it is important to choose the right plunger valve for optimal operation and safety.
Why Choose Speciality Valve - Plunger Valves
- Full portfolio: Hydraulic, electric, and manual plunger valves, also including pool and Intec compatible models.
- Heavy-duty construction: Durable iron or stainless steel bodies which have wear-resistant plungers.
- For high-pressure systems, we have precise flow control, which also performs very well in low turbulence and at the same time, we see great results in cavitation resistance.
- Custom range of sizes and pressure classes (large DN scales) and special coatings for aggressive media.
- Field service for installation, actuator/gearbox integration, alignment and performance testing.
- Easy care design and access to a large stock of spares to reduce downtime.
- Proven application in hydropower, irrigation, desalination, mining and industrial pumping stations.
Speciality Valve is a manufacturer of high-quality plunger valve manufacturers in India that we build to the high standards of our demanding industry players, thus delivering excellent long-term performance.
Specifications of Plunger Valve
- Size Range: From 100 to 2000.
- Body Material: Durable Iron, Carbon Steel, Alloy Steel.
- Pressure Rating: PT10, PT16, PT25, PT40.
- End Connection: Flown to ANSI, DIN, or IS standards.
- Operation: Pneumatic, Electric, Hydraulic.
- Temperature Range: At -10 to 80 degrees Celsius (we also have custom options).
- Coating: Epoxy coated for corrosion resistance.
- Standards Compliance: AAA, EN, ISO.
Visit Us: https://www.specialityvalve.com/product-category/plunger-valve/
ADDRESS - 41, 2nd floor, Balasundaram Road, Coimbatore, Tamil Nadu 641018
