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Blackmer Ebsray RV Series Bypass Valve

RV Series Bypass Valves

In-line design Bypass/Pressure Relief Valves are specifically designed for use with the Ebsray line of regenerative turbine pumps and are well suited for a variety of LPG and autogas services. These valves feature an adjustable differential pressure is attained for accurate and repeatable performance in return-to-tank or bypass systems. This enables full pump flow while maintaining controlled preset maximum pressure. The RV18 valve is a 1 inch model bypass valve.

Features and Benefits

  • 90° porting arrangement
  • Flanged or threaded ports available
  • Adjustable pressure setting within spring range
  • Low pressure rise
  • Constant Bleed System (CBS) / Vapor Removal System (VRS) / Non-Return Valve (NRV) options to suit application (some models)

Performance and Specifications

Performance Data RV18
Max. Flows 53 gpm (200 L/min)
Differential Pressure To: 203 psi (14 bar)
Temperature -40°F to 392°F (-40°C to 200°C)

Technical Data

RV18 6 kg (Flanged Ports), 4 kg (NPT Ports)
Part Material
Casing Ductile Iron

Special materials to specification.

Inlet RV18: Flanged DN 25 (1") Class 300 ANSI or Threaded NPT (1")
Discharge RV18: Flanged DN 25 (1") Class 300 ANSI or Threaded NPT (1-1/2")


Installation Operation Manuals (IOMs)

RV18, RV18CBS2, RV18CBS3, RV18VRS10, RV18VRS14, RV18VRS19

Materials of Construction

RV18VRS10, RV18VRS14, RV18CBS2