Application: Differential pressure regulators for district heating systems, extensive pipeline systems, and industrial plants. Differential pressure setpoints (Δp) from 0.1 to 10.5 bar · Valves DN 15 to 50 · Nominal pressure PN 16/25 · For liquid media, Nitrogen, and air up to 150 °C

For installation in flow return pipe. Valve closes when the differential pressure rises

• Nominal diameter DN 15…50
• Nominal pressure PN 16…25
• Globe valve with flanges single seat balanced
• CC499K (Red brass Rg 5) · Ductile iron EN-GJS-400-18-LT
• Reduced Kvs-values available
• Type 45-1 · Setpoint 0.1, 0.2, 0.3, 0.4, or 0.5 bar fixed 
• Type 45-2 · Setpoint adjustable in the range of 0.1 to 10.5 bar · with setpoint display (DN 15 to 32 only: setpoint range 0.1 to 1 bar, 0.1 to 0.5 bar, and 2.4 to 6.3 bar)
• Control connection internal

PDF Downloads

Information Sheet: Series 45, 46, 47 and 48 Self-operated Differential Pressure and Flow Regulators