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Harris® Model 3510-200PSI-NPT 1/2" RH Heavy Duty/High Flow Manifold Non-Fuel Gases Single Stage Regulator, 1.00 - 11.5 NPS RH (Male)

Airgas Part #:HCL3003550

Manufacturer Part #:3003550

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Item Details

  • Harris Model 3510-200-RH non-fuel gas heavy-duty single-stage high flow manifold regulator. It is equipped with inlet and outlet connections required on Harris manifold systems. The body ports are 1/2" NPT for direct mounting in piping systems. The 3510 features both 1/4" NPT high-pressure and 1/4" NPT low-pressure ports. It features a brass body, bonnet, T-screw bar handle, 2.5" brass dual scale gauges and a neoprene diaphragm. This model has a delivery pressure range of 0-200 PSIG, a supply pressure gauge of 4000 PSIG, 1.00-11.5 NPS right hand male inlet and 1.00-11.5 NPS right hand female outlet connections. Equipped with a one-piece encapsulated seat with internal filter and PTFE Teflon® seat and tamper-proof, self-reseating, high-pressure internal safety relief valve. Conforms to CGA-E-4 standard for gas pressure regulators.


  • Brass body and bonnet for longer service life
  • Neoprene diaphragm for improved pressure control
  • One-piece encapsulated seat design with internal filter to protect the neoprene seat from particulate contamination
  • 2.5 in. Brass dual scale easy-to-read gauges
  • Easy-to-operate brass T-screw bar adjusting handle
  • Equipped with a tamper-proof, self-reseating, high pressure internal safety relief valve
  • Features 1/4 in. NPT high-pressure and 1/4 in. NPT low-pressure ports
  • The body ports are 1/2 in. NPT for direct mounting in piping systems
  • Conforms to CGA-E-4 standard for gas pressure regulators


  • Tamper-proof self-reseating internal HP safety valve included


  • Manifold systems
  • Pipeline systems

Product Attributes

Regulator Type

» Single Stage Regulator

Gas Service

» Non-Fuel Gases

Delivery Rate

» 0 - 200 psig
» 400 psig

Inlet Connection

» 1.00 - 11.5 NPS RH (Male)


» Heavy Duty
» High Flow

Outlet Connection

» 1.00 - 11.5 NPS RH (Female)

Gauge Diameter

» 2.5"