BS8-3 Negative Differential Back Pressure Regulator
Negative Differential Back Pressure

By using the spring in a negative or tension mode along with back pressure trim, we create a negative differential back pressure regulator. The BS8-3 features a diaphragm for better response and/or more precise pressure or vacuum control than piston-type regulator.

Large CVs
Easy inline maintenance
Wide variety of body and wetted materials
All Burling Valve regulators are non-relieving. This direct-acting series thrives in the oil & gas and petrochemical industries. These heavy-duty quality casted valves offer 1/2″ to 2” threaded ports and flange options from 1/2” to 8”.