SEWON Gas Blanketing Device

Model: SNB 110, SNB 210

Size Range: 1/2″ – 2″
Temperature Range: -28°C to 100°C
Set Pressure Range: 12.5 to 5,000 mmWC


SEWON blanketing gas regulator supplies blanket gas to prevent vacuum condition and maintains a constant gas pressure in the vapour space of the storage tank.   The vacuum is developed by the outflow of liquid from a storage tank and decrease of the temperature in a storage tank.
SNB 110: Direct Operated Type
SNB 210: Pilot Operated Type
Size Range 1/2″ – 2″
Temperature Range -28°C to 100°C
Set Pressure Range 12.5 to 5,000 mmWC
Minimum Inlet Pressure 2 kg/cm2
Sensor Port Connection 1/2″ NPT
Body and Cover SS304, SS316
Diaphragm FEP Teflon

Product Catalogue