BS2-3 Negative Bias Differential Regulator

BS2-3 Negative Bias Differential Regulator

Negative Bias Differential

With a sealed differential chamber and the spring in a state of tension rather than compression, we produce a negative bias relative to the reference pressure or a negative differential 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”.

  • Technical Specs
  • Downloads & Links
  • FAQ
  • Request Quote

Technical Specs

Accuracy+/- 3 to 5 PSI
Max Inlet Pressure 3000 PSIG @ 100F (material specific)
Max Outlet Pressure 1000 PSIG @ 100F (material specific)
CV Rating Controllable range 4 to 220
Turn-down Ratio 1000:1
ShutoffANSI/FCI 70-3 Class VI
Operating Temperature -425 to 450 F

Documents

BS2-3 IOM Manual

Dimensions

Downloads

File Request Form:: Use this form to request a file other than a standard BS .STEP file

Submit the form below to download standard BS .STEP files

Frequently Asked Questions

    • Acetylene (C2H2)
    • Air
    • Argon (Ar)
    • Carbon Dioxide (CO2)
    • Chlorine (CI)
    • Dry Ice (CO2)
    • Helium (He)
    • Hydrogen (H2)
    • Methane (CH4)
    • Natural Gas
    • Nitrogen (N2)
    • Nitrous Oxide (N2O)
    • Oxygen (O2)
    • Propane (C3H8)
    • Sulfer Dioxide (SO2)
    • ​Many Others
    • Cryogenic Fluids
    • High Pressure Oil
    • Hydraulic Fluid
    • Lube/Hot Oil
    • Saturated Steam
    • Sour Gas
    • Water (Demineralized)
    • Diesel
    • Water
    • Mineral Spirits (Naptha)
    • Caustic Soda
    • 50-60% Sulfuric Acid
    • Fuel Oil
    • ISO VG 46
    • Wax
    • ​Many Others
    • 1/2″
    • 3/4″
    • 1″
    • 1-1/2″
    • 2″
    • 3″
    • 4″

    Flanges: 6″ and 8″

    • Cast iron*
    • Carbon steel
    • Bronze*
    • Stainless steel

    Consult factory for Hastelloy, Alloy 20 or other options.

    *Cast iron and bronze not available for tops

    • 17-4 PH
    • 316L Stainless Steel
    • Monel

    Please consult factory for other options.

    • Neoprene
    • PTFE 6-Ply
    • Viton
    • EPDM
    • Metal (316 SS)

    Many other options available; please consult factory.

    • Polyurethane
    • PTFE
    • RTFE
    • Kel-F
    • 70 Durometer Polyurethane
    • EPDM
    • Viton
    • Buna-N
    • TFM
    • NPT
    • Flange
    • Tube End
    • Socket Weld
    • Butt Weld
    • Swagelok Fitings
    • Tri-Clamp
    • SAE
    • BSPP

  • Minimal due to balanced design. Outlet pressure change by 3 to 8 PSIG for every 100 PSIG variation in inlet pressure, either directly or inversely.

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