Resources

• B31 Series Regulator Spec Sheet
• Roots Regulator Product Line Catalog

B31 Series Regulator - Light Commercial and Industrial Regulator

Appropriate for light commercial and industrial uses where inches of water column or pounds delivery is desired such as utility services and small to medium sized furnaces and boilers. The rapid response of the B31 is particularly well suited for applications where sudden on/off loads could cause shock problems. ​

• FEATURES :
• » Field Interchangeable orifice
• » 27 sq. in. of diaphragm area
• » Spring-loaded internal relief valve assembly
• » Interchangeable adjustment spring
• » Controlled breather orifice size eliminates pulsation and provides normal actuation at low flows
• » Wide range of NPT valve body sizes including mixed inlet and outlet sizes; angle body