You can buy good quality RV25 Diaphragm Pump(Aluminum), we are the best distributor from China market.

Feature
Parameter
Diagram
Installation
Features
• 1 in (25.4 mm) center- and end-porting
• High flow – 40 gpm (151 lpm) in a compact, portable size
• Fluid pressure to 120 psi (8.4 bar, 0.84 MPa)
• Epoxy-coated center section for corrosive environments
• Equipped with an effective and reliable air valve system
• External controller for optional remote operation

Typical Applications
• Drum fluid transfer
• Unloading fluids
• Chemical evacuation
• Ceramic glaze supply
• Dewatering and sump evacuation
• Tank and sump drainage

Typical Fluids Handled
• Chemicals
• Contaminated surface water
• Adhesives, varnishes, dispersions, solvents and stains
• Resins, latexes, wood preservative stains, concrete paints and primers
• Ceramic slips and slurries
RV25 Diaphragm Pump
Technical Specifications
Max Working Pressure 120psi(0.84Mpa ,8.4bar)
Max Flow Rate 40 gpm(150 lpm)
Max Reciprocating Speed 276cpm
Max Suction Height(Dry Sucking) 5.48m
Max Permitted Grain 4mm
Max.Air Consumption 45scfm(22.5L/s)
Air Inlet size 1/2 in.npt(f)
Air Outlet size 1/2 in.npt(f)
Fluid Inlet size 1 in.npt
Fluid Outlet size 1 in.npt(f)
Weight Aluminum pump 8.2kg
Stainless steel 15kg