Pressure Reducing Valve_ A Guide to Types, Applications, and Benefits
                     Pressure Reducing Valve: A Guide 
to Types, Applications, and 
Benefits
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Pressure Reducing Valve is an automatic self-operated valve, 
which takes a high-pressure inlet and reduces it to a low outlet 
pressure in the system. When this act is done under both flow 
and no-flow conditions the type of control is known as ‘Drop 
tight’. For a Hydraulic system, this valve is known as 
Pressure Reducing Valve and for a pneumatic system, it is called 
a Pressure Regulator.
The key function of the Pressure 
Reducing Valve is to control the 
higher pressure into the lower. 
Normally, it is an open-type 
Valve. Which constantly, reduces 
the pressure and supplies it to 
the system.
Types of Pressure Reducing Valve
Pressure Reducing Valves are categorized into two types : 
(1) Direct Acting Pressure Reducing Valve.
(2) Pilot-Operated Pressure Reducing Valve.
Direct Acting Pressure Reducing Valve
Our Direct Acting Pressure Reducing Valves are excellent for small 
loads type applications. They are constructed in a compact size and are 
easy to install. They are utilized in many sectors, such as the Industrial, 
Building, Food & Beverage, and Water sectors, generally used in gas 
and liquid systems. It protects the other elements of the system from 
high-pressure damage. It does not require any external energy to 
operate as it is self-contained.
Pilot Operated Pressure Reducing Valve
Aira’s Pilot-Operated Pressure Reducing Valves are commonly used for 
larger loads of applications. They are larger in size and costly. It uses a 
pilot valve to load a diaphragm that increases the force. In larger flow 
applications, it helps to increase the low-pressure variation. Pilot 
operated valve controls, the opening and closing by balancing the 
force of the adjustment spring and pressure. 
Components in Pilot Operated Pressure Reducing Valve
The Pilot Operated Valve components are made of Brass, stainless 
steel, Plastic, and aluminum.   
The Pressure Reducing Valve consists, of an Adjustable Screw, an 
Adjusting spring, a conical poppet, a diaphragm, an inlet port, an 
outlet port, and an orifice.
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