River-Wave is one of the toppest Sanitary Penumatic Diaphragm Pump in China.During these years of exporting , River-Wave now has rich experience in the worldwide markets


• 3 in (76.2 mm) ANSI center-porting that is internally threaded 3 npt or bspt
• Bolted leak-free, flanged connections — no clamp bands used
• Large flow paths for high viscosities
• Easy air valve maintenance
• Heavy-duty construction
• Fluid flow up to 275 gpm (1040 lpm)

Typical Applications
• Chemical transfers
• Filter press-feed
• Dewatering

Typical Fluids Handled
• Chemicals
• Bulk paint resins
• Ceramic slip

Model Max.Working Pressure Max Flow Rate Max Suction Height Max Permitted Grain Max Reciprocating Speed Max Air Consumption
RVW-25 72psi(0.5Mpa,5bar) 40gpm(150lpm) 5m 2m 276cpm 10L/s
RVW-40 72psi(0.5Mpa,5bar)
118gpm(446lpm) 5m 3m 200cpm 25L/s
RVW-50 72psi(0.5Mpa,5bar)
150gpm(570lpm) 5m 4m 145cpm 40L/s