Pilot operating pressure regulator Aperflux 851 Aperflux 851 is pilot-controlled pressure regulator for medium and high pressure applications. This regulator is suitable for use with previously filtered, non-corrosive gases. Scan this QR code with your mobile to get more info! MAIN FEATURES: • Pilot Operated – Medium to High Pressure Outlet • “Fail open” type • Sizes: 1”, 2”, 3”, 4”, 6”, 8”, 10” • Body Materials: Cast Steel • Ratings: ANSI 300 and 600 • Connections: RF • Maximum Inlet Pressure: 1,232psig • Outlet Pressure: 12 to 942 psig • Flow Coefficient (Nat. Gas): Cg Range 480 to 24,548 • Minimum operating differential 14.5 psig OPTIONS: • SB 82 – Integral Slam Shut Valve • Integral Pilot Operated “Fail to Close” Monitor • DB 851 - Integral Silencer • Remote Operation DESIGNED WITH YOUR NEEDS IN MIND COMPACT DESIGN Outstanding Turn Down Ratio EASY MAINTENANCE HIGH ACCURACY TOP ENTRY LOW OPERATION COST LOW NOISE Extreme Flexibility Fiorentini USA 4555 South Berkeley Lake Road Norcross, GA 30071 Toll - Free: 888.618.8787 Fax: 770.448.7312 www.fiousa.com This data is not binding. We reserve the right to make changes without prior notice. Pietro Fiorentini S.p.A. via E.Fermi 8/10 I-36057 Arcugnano (VI)

Pilot operating pressure regulator Inlet Pressure Outlet Pressure Motorization Monitor Pilot Feed Control Pressure Aperflux 851 pressure regulators in action Fiorentini USA Toll - Free: 888.618.8787 Fax: 770.448.7312 www.fiousa.com Pietro Fiorentini Tel: +39 0444 968.511 Fax: +39 0444 960.468 www.fiorentin