V-7 Series Mini Piston Metering Pump
For Lighter Metering Applications From A&F Machine

The V-7 Series is a mini pump designed for lighter metering applications and minimal maintenance. The pump end of the unit utilizes a precision inline machined casting insuring exact alignment of the drive mechanism and the piston head assembly, minimizing wear. The pump is driven by a low horsepower gear motor which is available in several ratios for the required stroking rate. The wet end of the pump is precision machined and utilizes a ground stainless steel piston to minimize packing wear. The output of the pump is varied from zero to maximum by manually adjusting the piston stroke length.

It is ideal for use in low pressure applications where a controlled volume of chemical treatment is required.

V-7 Piston Metering Pump Models

V-7 Series,Mini,Diaphragm,Metering,Pump,A&F,Machine,Helwig,Pumps

V-7-2 Piston Metering Pump

  • 0.2 - 1.0 GPD (gallons per day)
  • 0.008 - 0.04 GPH (gallons per hour 0.018 - 0.088 ounces per minute
  • 0.8 - 4.0 LPD (liters per day 0.032 - 0.16 LPH (liters per hour)
  • 0.52 - 2.6 milliliters per minute
  • Output rated at 100 PSI (6.89 BAR) maximum pressure.
  • Fully adjustable stroke length control 0-100% (recommended minimum stroke length 20%). 2 SPM (strokes per minute).
  • Drive: 1/20 Horsepower, 120VAC, 60Hz Totally Enclosed Fan-Cooled Motor with 6' 3-wire US Plug.
  • Wet End Material: Cast iron body, stainless steel piston and check valves with 3/8" OD tubing connections.
  • Includes: Polyethylene foot valve, polyethylene injection nozzle assembly, 5' suction tubing, 5' discharge tubing, wall mount bracket and instruction manual.

V-7 Series,Mini,Diaphragm,Metering,Pump,A&F,Machine,Helwig,Pumps

V-7-6 Piston Metering Pump

  • 0.6 - 3.0 GPD (gallons per day)
  • 0.025 - 0.125 GPH (gallons per hour)
  • 0.053 - 0.267 ounces per minute
  • 2.3 - 11.5 LPD (liters per day)
  • 0.094 - 0.47 LPH (liters per hour)
  • 1.58 - 7.9 milliliters per minute
  • Output rated at 100 PSI (6.89 BAR) maximum pressure.
  • Fully adjustable stroke length control 0-100% (recommended minimum stroke length 20%). 6 SPM (strokes per minute).
  • Drive: 1/20 Horsepower, 120VAC, 60Hz Totally Enclosed Fan-Cooled Motor with 6' 3-wire US Plug.
  • Wet End Material: Cast iron body, stainless steel piston and check valves with 3/8" OD tubing connections.
  • Includes: Polyethylene foot valve, polyethylene injection nozzle assembly, 5' suction tubing, 5' discharge tubing, wall mount bracket and instruction manual.

V-7 Series,Mini,Diaphragm,Metering,Pump,A&F,Machine,Helwig,Pumps

V-7-12 Piston Metering Pump

  • 1.2 - 6.0 GPD (gallons per day)
  • 0.05 - 0.25 GPH (gallons per hour)
  • 0.106 - 0.53 ounces per minute
  • 4.54 - 22.7 LPD (liters per day)
  • 0.19 - 0.95 LPH (liters per hour)
  • 3.16 - 15.8 milliliters per minute
  • Output rated at 100 PSI (6.89 BAR) maximum pressure.
  • Fully adjustable stroke length control 0-100% (recommended minimum stroke length 20%). 12 SPM (strokes per minute).
  • Drive: 1/20 Horsepower, 120VAC, 60Hz Totally Enclosed Fan-Cooled Motor with 6' 3-wire US Plug.
  • Wet End Material: Cast iron body, stainless steel piston and check valves with 3/8" OD tubing connections.
  • Includes: Polyethylene foot valve, polyethylene injection nozzle assembly, 5' suction tubing, 5' discharge tubing, wall mount bracket and instruction manual.

V-7 Series,Mini,Diaphragm,Metering,Pump,A&F,Machine,Helwig,Pumps

V-7-30 Piston Metering Pump

  • 4.8 - 24.0 GPD (gallons per day)
  • 0.2 - 1.0 GPH (gallons per hour)
  • 0.428 - 2.14 ounces per minute
  • 18.2 - 91.0 LPD (liters per day)
  • 0.758 - 3.79 LPH (liters per hour)
  • 12.6 - 63.0 milliliters per minute
  • Output rated at 100 PSI (6.89 BAR) maximum pressure.
  • Fully adjustable stroke length control 0-100% (recommended minimum stroke length 20%). 30 SPM (strokes per minute).
  • Drive: 1/20 Horsepower, 120VAC, 60Hz Totally Enclosed Fan-Cooled Motor with 6' 3-wire US Plug.
  • Wet End Material: Cast iron body, stainless steel piston and check valves with 3/8" OD tubing connections.
  • Includes: Polyethylene foot valve, polyethylene injection nozzle assembly, 5' suction tubing, 5' discharge tubing, wall mount bracket and instruction manual.

V-7 Series,Mini,Diaphragm,Metering,Pump,A&F,Machine,Helwig,Pumps

V-7-60 Piston Metering Pump

  • 9.6 - 48.0 GPD (gallons per day)
  • 0.4 - 2.0 GPH (gallons per hour)
  • 0.852 - 4.26 ounces per minute
  • 36.0 - 180.0 LPD (liters per day)
  • 1.5 - 7.5 LPH (liters per hour)
  • 25.0 - 125.0 milliliters per minute
  • Output rated at 100 PSI (6.89 BAR) maximum pressure.
  • Fully adjustable stroke length control 0-100% (recommended minimum stroke length 20%). 60 SPM (strokes per minute).
  • Drive: 1/20 Horsepower, 120VAC, 60Hz Totally Enclosed Fan-Cooled Motor with 6' 3-wire US Plug.
  • Wet End Material: Cast iron body, stainless steel piston and check valves with 3/8" OD tubing connections.
  • Includes: Polyethylene foot valve, polyethylene injection nozzle assembly, 5' suction tubing, 5' discharge tubing, wall mount bracket and instruction manual.

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