In terms of what is required for consistent flow and protection of system components, pressure-reducing valves (PRVs) are the key in fluid control systems. As the preeminent pressure reducing valve manufacturers in India, Speciality Valve brings to the table precision-engineered solutions for reliable, long-lasting, and best performance in many industrial settings.
In all types of steam, water, gas, or air systems, we have a large selection of PRVs that deliver precise pressure regulation, which also perform well when the inlet pressure is variable.
What is a Pressure Reducing Valve?
A pressure-reducing valve is a control that sees to it that high inlet pressure is reduced to a constant lower outlet pressure, which is not affected by changes in supply pressure. It also plays a role in the protection of equipment and the smooth running of pipelines, machinery, and distribution networks.
These valves, which are automatic in action, are widely used in commercial and industrial settings that require pressure regulation.
How Does a Pressure Reducing Valve Work?
The operation is simple. The main valve action is a result of the balance between spring loaded diaphragm or piston force and that of the downstream pressure.
Here’s how it works step-by-step: Here is a breakdown of the process:
- Inlet pressure enters the valve.
- The force is applied to a piston or diaphragm.
- As outlet pressure falls, the spring causes the valve to open, which in turn increases flow.
- At the point of outlet pressure reaching the set value, the spring force is counteracted, which in turn causes the valve to close slowly.
- This is a constant balance that we have to maintain a steady outlet pressure.
What is the Function of a Reducing Valve?
A primary function of a pressure-reducing valve is:.
- To prevent damage to the lower system which is from that of high inlet pressure.
- Maintain a constant reduced pressure.
- Prevent pipe damage from pressure surges, which also may affect pumps and other equipment.
- Extend equipment life and lower maintenance costs.
Applications of Pressure Reducing Valves
Pressure relief valves are used in many industries which including:
- Water treatment plants
- Steam generation systems
- HVAC systems
- Chemical processing
- Oil & gas pipelines
- Pharmaceutical manufacturing
- Power plants
One Major Industry Application: Steam Systems
In steam distribution systems, PRVs are a key element in the design to achieve uniform pressure to different areas and pieces of equipment. Should they be absent, issues of system failure, safety, and energy efficiency reduction present themselves.
Pressure Reducing Valve vs. Relief Valve
Types of Pressure Reducing Valves
Identifying valve types is key to choosing the right solution:
-
Direct-Acting PRV
- Compact, ideal for low flow rates
- Uses a spring and diaphragm mechanism
-
Pilot Operated PRV
- Manages higher flow rates and pressure fluctuations.
- Uses a pilot valve, which in turn controls the main valve.
-
Pressure Reducing Steam Valve
- Specialised for steam applications
- To withstand high temperature and pressure.
-
Water Pressure Reducing Valves
- Common in plumbing and irrigation systems
- Designed to reduce municipal or pump pressure
Components of a Pressure Reducing Valve
A typical PRV includes the following elements:
- The body is usually made of cast iron, bronze, or stainless steel.
- Spring chamber
- Adjusting the screw or knob
- Diaphragm or piston
- Seat and disc
- Pilot valve (for pilot-operated models)
- Each component works together to control outlet pressure.
How to Install a Pressure Reducing Valve
Here is a step-by-step installation guide:
- Shut off the main water/steam/gas supply.
- Choose a run of the pipeline that is far from the shutoff valve.
- Install which the arrow points in the direction of flow.
- Use appropriate pipe fittings and see to it that the valve is accessible.
- Check out the alignment, see to it that pipe strainers are present.
- Slowly turn on the main valve and check for leaks.
Pro Tip: Install a pressure gauge in the after and present condition.
How to Adjust a Water Pressure Reducing Valve
If you have issues with water pressure that is too high or too low, here is how to fix it:
- Find the adjusting screw at the top of the valve.
- Turn clockwise to increase pressure.
- Turn counter-clockwise to decrease pressure.
- Use a pressure gauge to check for the correct PSI.
- Always adjust gradually and check performance.
How to Maintain or Replace a Pressure Reducing Valve
Maintenance Strategies:
- Check the diaphragm and seat for wear every 6-12 months.
Transform if:
- Leaking from the body
- Failure to maintain downstream pressure
- Stuck in open or closed position
Replacement includes turning off the supply, removing the old valve, and in and out the new which we do to the same alignment and fit procedure.
Pressure-reducing valves are a key component in any system that requires stable and safe fluid pressure regulation. In the industrial as well as the residential setting, selection of the proper PRV is the basis for long-term performance and equipment protection.
Speciality Valve is your one-stop solution for a wide range of pressure-reducing valve requirements across all industries. We at Speciality Valve are dedicated to quality, durability, and custom-made solutions, which is what has made us the go-to pressure reducing valve manufacturers in India.
Specifications of Pressure Reducing Valve
- Body Material: Iron Cast, Steel Cast, Stainless Steel.
- Size Range: From 15mm to 300mm.
- End Connection: Flanged, Screwed, Socket Welded.
- Pressure Rating: PN10 PN40 Class 150 to 300.
- Temperature Range: Up to 430°F.
- Operation: Direct Action Pilot Operated.
- Media: Water, Steam, Gas, Air, Petroleum.
- Standards: ANSI, DIN, BS, and IS compatible designs.
Visit Us: https://www.specialityvalve.com/product-category/pressure-reducing-valve/, for bulk orders and customised services.
ADDRESS - 41, 2nd floor, Balasundaram Road, Coimbatore, Tamil Nadu 641018
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