Fluid handling, regulation and control

Fluid handling, regulation and control

Fluid handling, regulation and control

Milton Roy – GM series

Description

The dosing pumps of the G™ Series are electric motor-driven pumps with mechanical diaphragm liquid ends. Simple, economical and rugged, they offer great flexibility and a wide selection of liquid ends compatible with most chemicals. With a corrosion-resistant plastic or aluminium housing, depending on the model, they are based on two technologies previously only used for intensive-use industrial pumps: variable eccentric drive and stroke adjustment.
The G series is made up of three dosing pump models, covering a very wide flow range (up to 1,200 l/h) at an excellent quality-price ratio.

GM: Most robust configuration

The GM series has the most robust and versatile configuration in the G series.


TECHNICAL SPECIFICATIONS

  • Flow rate up to 500 l/h
  • Pressure up to 12 bar
  • Mechanically actuated PTFE diaphragm
  • Stroke adjustment by variable eccentric minimising pulsation and shock
  • Maximum temperature of pumped liquid: 40 °C
  • Adjustment of flow rate while running or stopped: from 0 to 100%
  • Stroke adjustment lock
  • Accuracy: ± 2% of rated flow from 10 to 100% stroke
  • Suction lift: up to 4 m water
  • High vacuum suction lift option: 9 m water (consult us)
  • Maximum suction pressure: 2 bar
  • Aluminium alloy housing
  • Life lubrication
  • Options: double diaphragm, VARIPULSE® controller for automatic adjustment and control of flow rate, stroke counter, electronic servomotor
  • Homogeneous or heterogeneous multiplexing capabilities
  • Integrable into an EH&S protection enclosure

APPLICATIONS

  • Municipal and industrial water treatment: Coagulation/flocculation (injection of ferric chloride, aluminium sulphate, WAC, etc.), slurry treatment (injection of polymers), activated carbon preparation (damping with sulphuric acid), pH regulation (injection of acids and alkalis), etc.
  • Air treatment: Scrubber tower (injection of sodium hydroxide, sulphuric acid, bleach)
  • Surface treatment: Pickling (injection of hydrochloric, sulphuric, nitric, phosphoric or hydrofluoric acid), Neutralisation (injection of acids or alkalis), waste treatment (injection of sodium bisulphite, bleach, sodium hydroxide, etc.)
  • pH adjustment: Injection of sodium hydroxide and acids
  • Desalination: Cleaning and maintenance of reverse osmosis membranes (injection of hydrochloric acid, sodium hydroxide, anti-scaling agents and anti-fouling agents)
  • Agriculture: Fertiliser injection (pivots)
  • Food industry: Cleaning in place (injection of sodium hydroxide and nitric acid)
  • Distillery: Cleaning in place (Injection of soda lye)
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