The VERDER Diaphragm Pump is high quality!
Maximum fluid working pressure 100 psi; 0.7 MPa (7 bar)
Air pressure operating range 30 to 100 psi; 0.18 to 0.7 MPa (1.8 to 7 bar)
Maximum air consumption 28 scfm; 0.793 cubic meters/min.
Maximum free flow delivery 15 gpm; 57 l/min.
Maximum suction lift (water) 15 ft; 4.5 m dry, 25 ft; 7.6 m wet
Maximum size pumpable solids 3/32 in.; 2.5 mm
Sound power level (measured per ISO standard 9614–2)
At 70 psig; 0.48 MPa (4.8 bar) at 50 cycles per minute 77 dBa
At 100 psig; 0.7 MPa (7 bar) at maximum cycles per minute 95 dBa
Sound pressure level (measured 1 meter from pump)
At 70 psig; 0.48 MPa (4.8 bar) at 50 cycles per minute 67 dBa
At 100 psig; 0.7 MPa (7 bar) at maximum cycles per minute 85 dBa
Air inlet size 1/4 npt(f)
Air exhaust port size 3/8 npt(f)
Fluid inlet siz 1/2 and 3/4 in. bspt(f)
Fluid outlet size 1/2 and 3/4 in. bspt(f)
Wetted parts (in addition to ball, seat, and diaphragm materials, which vary by pump)
Polypropylene pumps polypropylene, PTFE
Conductive polypropylene pumps groundable polypropylene, PTFE
Acetal pumps groundable acetal, PTFE
PVDF pumps PVDF, PTFE
Non-wetted external parts polypropylene, stainless steel, polyester and aluminum (labels),
nickel-plated brass