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Back Pressure Instrument Regulators

Parker Veriflo offers back pressure regulators designed to control inlet, upstream or back pressure. Applications include instrument or analyzer systems, corrosive media and environments, and high pressure corrosive and non-corrosive liquids and gases at pressures up to 2,000 psig.

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  • ABP1SK33PBX4 - ABP1 Back Pressure Regulator
    Parker Veriflo ABP1 Back Pressure Regulator, 3 ports, 316L SS body, 150 psig max. inlet press., 100 psig max. outlet press., non-tied Hastelloy C-22 diaphragm, outlet gauge, no inlet gauge, Kalrez seat, 3PB port config: 1/4" FNPT all ports

  • ABP1SK43PP64PM - ABP1 Back Pressure Regulator
    Parker Veriflo ABP1 Back Pressure Regulator, 3 ports, 316L SS body, 375 psig max. inlet press., 250 psig max. outlet press., non-tied Hastelloy C-22 diaphragm, outlet gauge, 0-600 psig inlet gauge, Kalrez seat, panel mount, 3PP port config: 1/4" FNPT all ports

  • ABP1ST12BP4 - ABP1 Back Pressure Regulator
    Parker Veriflo ABP1 Back Pressure Regulator, 2 ports, 316L SS body, 37.5 psig max. inlet press., 25 psig max. outlet press., non-tied Hastelloy C-22 diaphragm, outlet gauge, no inlet gauge, Teflon seat, 2BP port config: 1/4" FNPT all ports

  • ABP1ST13BP032PMPK - ABP1 Back Pressure Regulator
    Parker Veriflo ABP1 Back Pressure Regulator, 3 ports, 316L SS body, 37.5 psig max. inlet press., 25 psig max. outlet press., non-tied Hastelloy C-22 diaphragm, outlet gauge, 0-30 psig inlet gauge, Teflon seat, panel mount, plastic knob, 3BP port config: 1/8" FNPT all ports

  • ABP1ST13BP034 - ABP1 Back Pressure Regulator
    Parker Veriflo ABP1 Back Pressure Regulator, 3 ports, 316L SS body, 37.5 psig max. inlet press., 25 psig max. outlet press., non-tied Hastelloy C-22 diaphragm, outlet gauge, 0-30 psig inlet gauge, Teflon seat, 3BP port config: 1/4" FNPT all ports

  • ABP1ST13BPX2PMPK - ABP1 Back Pressure Regulator
    Parker Veriflo ABP1 Back Pressure Regulator, 3 ports, 316L SS body, 37.5 psig max. inlet press., 25 psig max. outlet press., non-tied Hastelloy C-22 diaphragm, outlet gauge, no inlet gauge, Teflon seat, panel mount, plastic knob, 3BP port config: 1/8" FNPT all ports

  • ABP1ST13BPX4 - ABP1 Back Pressure Regulator
    Parker Veriflo ABP1 Back Pressure Regulator, 3 ports, 316L SS body, 37.5 psig max. inlet press., 25 psig max. outlet press., non-tied Hastelloy C-22 diaphragm, outlet gauge, no inlet gauge, Teflon seat, 3BP port config: 1/4" FNPT all ports

  • ABP1ST13BPX4PMPK - ABP1 Back Pressure Regulator
    Parker Veriflo ABP1 Back Pressure Regulator, 3 ports, 316L SS body, 37.5 psig max. inlet press., 25 psig max. outlet press., non-tied Hastelloy C-22 diaphragm, outlet gauge, no inlet gauge, Teflon seat, panel mount, plastic knob, 3BP port config: 1/4" FNPT all ports

  • ABP1ST23BP0141 - ABP1 Back Pressure Regulator
    Parker Veriflo ABP1 Back Pressure Regulator, 3 ports, 316L SS body, 75 psig max. inlet press., 50 psig max. outlet press., non-tied Hastelloy C-22 diaphragm, outlet gauge, 0-100 psig inlet gauge, Teflon seat, 0.1 Cv, 3BP port config: 1/4" FNPT all ports

  • ABP1ST23BP034 - ABP1 Back Pressure Regulator
    Parker Veriflo ABP1 Back Pressure Regulator, 3 ports, 316L SS body, 75 psig max. inlet press., 50 psig max. outlet press., non-tied Hastelloy C-22 diaphragm, outlet gauge, 0-30 psig inlet gauge, Teflon seat, 3BP port config: 1/4" FNPT all ports

  • ABP1ST23BPX4 - ABP1 Back Pressure Regulator
    Parker Veriflo ABP1 Back Pressure Regulator, 3 ports, 316L SS body, 75 psig max. inlet press., 50 psig max. outlet press., non-tied Hastelloy C-22 diaphragm, outlet gauge, no inlet gauge, Teflon seat, 3BP port config: 1/4" FNPT all ports

  • ABP1ST23BPX41 - ABP1 Back Pressure Regulator
    Parker Veriflo ABP1 Back Pressure Regulator, 3 ports, 316L SS body, 75 psig max. inlet press., 50 psig max. outlet press., non-tied Hastelloy C-22 diaphragm, outlet gauge, no inlet gauge, Teflon seat, 0.1 Cv, 3BP port config: 1/4" FNPT all ports

  • ABP1ST23BPX4PM - ABP1 Back Pressure Regulator
    Parker Veriflo ABP1 Back Pressure Regulator, 3 ports, 316L SS body, 75 psig max. inlet press., 50 psig max. outlet press., non-tied Hastelloy C-22 diaphragm, outlet gauge, no inlet gauge, Teflon seat, panel mount, 3BP port config: 1/4" FNPT all ports

  • ABP1ST32BP4PMDO - ABP1 Back Pressure Regulator
    Parker Veriflo ABP1 Back Pressure Regulator, 2 ports, 316L SS body, 150 psig max. inlet press., 100 psig max. outlet press., non-tied Hastelloy C-22 diaphragm, outlet gauge, no inlet gauge, Teflon seat, panel mount, dome loaded, 2BP port config: 1/4" FNPT all ports

  • ABP1ST32BPX4PK - ABP1 Back Pressure Regulator
    Parker Veriflo ABP1 Back Pressure Regulator, 2 ports, 316L SS body, 150 psig max. inlet press., 100 psig max. outlet press., non-tied Hastelloy C-22 diaphragm, outlet gauge, no inlet gauge, Teflon seat, plastic knob, 2BP port config: 1/4" FNPT all ports

  • ABP1ST33BP014 - ABP1 Back Pressure Regulator
    Parker Veriflo ABP1 Back Pressure Regulator, 3 ports, 316L SS body, 150 psig max. inlet press., 100 psig max. outlet press., non-tied Hastelloy C-22 diaphragm, outlet gauge, 0-100 psig inlet gauge, Teflon seat, 3BP port config: 1/4" FNPT all ports

  • ABP1ST33BP014PM - ABP1 Back Pressure Regulator
    Parker Veriflo ABP1 Back Pressure Regulator, 3 ports, 316L SS body, 150 psig max. inlet press., 100 psig max. outlet press., non-tied Hastelloy C-22 diaphragm, outlet gauge, 0-100 psig inlet gauge, Teflon seat, panel mount, 3BP port config: 1/4" FNPT all ports

  • ABP1ST33BPX4PM - ABP1 Back Pressure Regulator
    Parker Veriflo ABP1 Back Pressure Regulator, 3 ports, 316L SS body, 150 psig max. inlet press., 100 psig max. outlet press., non-tied Hastelloy C-22 diaphragm, outlet gauge, no inlet gauge, Teflon seat, panel mount, 3BP port config: 1/4" FNPT all ports

  • ABP1ST53BP64 - ABP1 Back Pressure Regulator
    Parker Veriflo ABP1 Back Pressure Regulator, 3 ports, 316L SS body, 750 psig max. inlet press., 500 psig max. outlet press., non-tied Hastelloy C-22 diaphragm, outlet gauge, 0-600 psig inlet gauge, Teflon seat, 3BP port config: 1/4" FNPT all ports

  • ABP1ST53PBX4PK - ABP1 Back Pressure Regulator
    Parker Veriflo ABP1 Back Pressure Regulator, 3 ports, 316L SS body, 750 psig max. inlet press., 500 psig max. outlet press., non-tied Hastelloy C-22 diaphragm, outlet gauge, no inlet gauge, Teflon seat, plastic knob, 3PB port config: 1/4" FNPT all ports

  • ABP1SV23BP4 - ABP1 Back Pressure Regulator
    Parker Veriflo ABP1 Back Pressure Regulator, 3 ports, 316L SS body, 75 psig max. inlet press., 50 psig max. outlet press., non-tied Hastelloy C-22 diaphragm, outlet gauge, no inlet gauge, Viton seat, 3BP port config: 1/4" FNPT all ports

  • ABP1SV23BPX41PM - ABP1 Back Pressure Regulator
    Parker Veriflo ABP1 Back Pressure Regulator, 3 ports, 316L SS body, 75 psig max. inlet press., 50 psig max. outlet press., non-tied Hastelloy C-22 diaphragm, outlet gauge, no inlet gauge, Viton seat, panel mount, 0.1 Cv, 3BP port config: 1/4" FNPT all ports

  • ABP1SV23PP4PM - ABP1 Back Pressure Regulator
    Parker Veriflo ABP1 Back Pressure Regulator, 3 ports, 316L SS body, 75 psig max. inlet press., 50 psig max. outlet press., non-tied Hastelloy C-22 diaphragm, outlet gauge, no inlet gauge, Viton seat, panel mount, 3PP port config: 1/4" FNPT all ports

  • ABP1SV32BPX4 - ABP1 Back Pressure Regulator
    Parker Veriflo ABP1 Back Pressure Regulator, 2 ports, 316L SS body, 150 psig max. inlet press., 100 psig max. outlet press., non-tied Hastelloy C-22 diaphragm, outlet gauge, no inlet gauge, Viton seat, 2BP port config: 1/4" FNPT all ports

  • ABP3SK23PP03406 - ABP3 Back Pressure Regulator
    Parker Veriflo ABP3 Back Pressure Regulator, 3 ports, 316L SS body, 90 psig max. inlet press., 30 psig max. outlet press., non-tied Hastelloy C-22 diaphragm, outlet gauge, 0-30 psig inlet gauge, Kalrez seat, 0.06 Cv, 3PP port config: 1/4" FNPT all ports

  • ABP3ST13BPX206 - ABP3 Back Pressure Regulator
    Parker Veriflo ABP3 Back Pressure Regulator, 3 ports, 316L SS body, 90 psig max. inlet press., 5 psig max. outlet press., non-tied Hastelloy C-22 diaphragm, outlet gauge, no inlet gauge, Teflon seat, 0.06 Cv, 3BP port config: 1/8" FNPT all ports

  • ABP3ST13BPX4 - ABP3 Back Pressure Regulator
    Parker Veriflo ABP3 Back Pressure Regulator, 3 ports, 316L SS body, 90 psig max. inlet press., 5 psig max. outlet press., non-tied Hastelloy C-22 diaphragm, outlet gauge, no inlet gauge, Teflon seat, 3BP port config: 1/4" FNPT all ports

  • ABP3ST23BPX4 - ABP3 Back Pressure Regulator
    Parker Veriflo ABP3 Back Pressure Regulator, 3 ports, 316L SS body, 90 psig max. inlet press., 30 psig max. outlet press., non-tied Hastelloy C-22 diaphragm, outlet gauge, no inlet gauge, Teflon seat, 3BP port config: 1/4" FNPT all ports

  • ABP3ST33BP014 - ABP3 Back Pressure Regulator
    Parker Veriflo ABP3 Back Pressure Regulator, 3 ports, 316L SS body, 90 psig max. inlet press., 60 psig max. outlet press., non-tied Hastelloy C-22 diaphragm, outlet gauge, 0-100 psig inlet gauge, Teflon seat, 3BP port config: 1/4" FNPT all ports

  • BPR50S3BP1BHPM - BPR50 High Pressure Back Pressure Regulator
    Parker Veriflo BPR50 High Pressure Back Pressure Regulator, 3 ports, 316L SS body, 2000 psig max. inlet press., 1200 psig max. outlet press., piston-style, outlet gauge, inlet gauge, Viton o-ring w/Teflon seal, panel mount, T-bar handle, 3BP port config: 1/4" FNPT all ports

  • BPR50S3BP1PM - BPR50 High Pressure Back Pressure Regulator
    Parker Veriflo BPR50 High Pressure Back Pressure Regulator, 3 ports, 316L SS body, 2000 psig max. inlet press., 1200 psig max. outlet press., piston-style, outlet gauge, inlet gauge, Viton o-ring w/Teflon seal, panel mount, 3BP port config: 1/4" FNPT all ports

  • BPR50S3BP2BHPM - BPR50 High Pressure Back Pressure Regulator
    Parker Veriflo BPR50 High Pressure Back Pressure Regulator, 3 ports, 316L SS body, 2000 psig max. inlet press., 2000 psig max. outlet press., piston-style, outlet gauge, inlet gauge, Viton o-ring w/Teflon seal, panel mount, T-bar handle, 3BP port config: 1/4" FNPT all ports

  • BPR50S3BP2PM - BPR50 High Pressure Back Pressure Regulator
    Parker Veriflo BPR50 High Pressure Back Pressure Regulator, 3 ports, 316L SS body, 2000 psig max. inlet press., 2000 psig max. outlet press., piston-style, outlet gauge, inlet gauge, Viton o-ring w/Teflon seal, panel mount, 3BP port config: 1/4" FNPT all ports

  • BPR50S3PB1 - BPR50 High Pressure Back Pressure Regulator
    Parker Veriflo BPR50 High Pressure Back Pressure Regulator, 3 ports, 316L SS body, 2000 psig max. inlet press., 1200 psig max. outlet press., piston-style, outlet gauge, inlet gauge, Viton o-ring w/Teflon seal, 3PB port config: 1/4" FNPT all ports

  • BPR50S3PB1K - BPR50 High Pressure Back Pressure Regulator
    Parker Veriflo BPR50 High Pressure Back Pressure Regulator, 3 ports, 316L SS body, 2000 psig max. inlet press., 1200 psig max. outlet press., piston-style, outlet gauge, inlet gauge, Kalrez o-ring w/PCTFE seal, 3PB port config: 1/4" FNPT all ports

  • BPR50S3PB2BH - BPR50 High Pressure Back Pressure Regulator
    Parker Veriflo BPR50 High Pressure Back Pressure Regulator, 3 ports, 316L SS body, 2000 psig max. inlet press., 2000 psig max. outlet press., piston-style, outlet gauge, inlet gauge, Viton o-ring w/Teflon seal, T-bar handle, 3PB port config: 1/4" FNPT all ports

  • BPR50S3PB2BHPM - BPR50 High Pressure Back Pressure Regulator
    Parker Veriflo BPR50 High Pressure Back Pressure Regulator, 3 ports, 316L SS body, 2000 psig max. inlet press., 2000 psig max. outlet press., piston-style, outlet gauge, inlet gauge, Viton o-ring w/Teflon seal, panel mount, T-bar handle, 3PB port config: 1/4" FNPT all ports

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