Graco Back Pressure Regulator

Manufacturer Part Number: 903508

Back pressure regulators use closed loop control to maintain the pressure of the system regardless of flow demand

Product Status:   





graco 903508
Graco Back Pressure Regulator


Back Pressure Regulator, Low Pressure Corrosion Resistant, 15 GPM (56.7 lpm), 180 Max psi, Manual, 3/8 (m) x 3/8 (f), with Gauge


  • Stainless steel wetted materials are compatible with catalyst and waterborne materials
  • Hardened stainless steel seat ensure low wear and long life
  • PTFE/Elastomer hybrid diaphragm withstands wear while maintaining accurate responsiveness
  • Large orifice accommodates high volume flow rates
  • Air operated models available for automated control, Conversion kit (15J498)
Technical Specifications
Compatible Material Catalyst, Waterborne
Gauge Port Size (in) 1/4
Gauge Port Type NPT
Includes Gauge
Inlet Size (in) 3/8
Inlet Thread Type NPT
Maximum Flow Rate (GPM) 15
Maximum Regulated Pressure (psi) 200
Maximum Viscosity (cP) 1000
Maximum Working Pressure (psi) 300
Minimum Regulated Pressure (psi) 5
Outlet Size (in) 3/8
Outlet Thread Type NPT
Type Back Pressure Regulator
Wetted Material Stainless Steel

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