Pressure Relief Valve (PRV)
A spring-loaded valve that lets air out when a tanker is filling and lets it back in when the silo empties, which is what keeps the shell in shape.
MMWG +380 to 1000
MMWG - 120 to 20
MOC SS body, fibre cover
Size 25 to 250 T silos
Does
Balances silo pressure during filling and discharge
Positive range
+380 to 1000 mmWg, water column
Negative range
-120 to 20 mmWg, water column
Silo size
25 to 250 tonne capacity
The Cheapest Part on the Silo, and the One That Saves It
Cosben Engineering’s pressure relief valve is a vital safety component used in silos to prevent damage during loading and unloading operations. In bulk material handling systems, pressure build-up inside a silo can lead to structural failure or safety risks if not controlled properly. This is where a reliable silo pressure relief valve becomes essential.
Also known as a PRV valve or breather valve, it helps balance the internal pressure of the silo by allowing air to move in or out as required. This ensures safe operation during filling and discharge while protecting both the equipment and the surrounding environment.
Designed for dependable performance, the valve supports safe pressure management and acts as a critical silo safety valve in industrial applications.
At a Glance
Does
Positive range
Negative range
Silo size
01
Essential Silo Safety Component
Prevents damage and ensures safe operation during loading and unloading.
02
Pressure Balancing Function
Acts as a vacuum relief valve and pressure relief system for silos.
03
Maintenance Friendly Design
Simple construction allows easy inspection and upkeep.
04
Compact & Lightweight
Suitable for a wide range of silo capacities.
Next Step
Talk to Our Engineers
Share your material, duty and layout and we will size it for your process.
Related Equipment
Often specified alongside this equipment to move and filter material downstream.
Screw Conveyor
Bin Activator
