- info@superaircool.com
- +86-159-6808-7886
● The pressure relief valve PVA/PVB is used for preventing the reverse of airflow in circular
duct systems.
● The casing of PVA/PVB is made from galvanized steel, the blades are made of aluminium.
● PVA with an inner foam seal for better tightness and noise reduction.
● The valve opens when overpressure occurs and closes by means of spring when the pressure drops.
● It is recommended to install the shutter into the horizontal duct.
SuperAir Group, a prominent Chinese HVAC manufacturer and supplier, provides customized, cost-effective solutions for ventilation, air conditioning, refrigeration, and sourcing services.
We will contact you within 1 working day, please pay attention to the email with the suffix “@superaircool.com”.
