AIR OPERATED DOUBLE DIAPHRAGM PUMPS

• ABRASIVES : Clay slip, Titanium dioxide, frit, Mill scale.
• ALCOHOLS ACIDS : All mineral and organic acids.
• CEMENT : Cement, Mortar.
• COSMETICS : Creams, Emuksions, Detergents.
• CERAMICS : Slip glazes, Clay.
• DRILLING : Mud, grout, Lubricants.
• DRINKS : Soft drinks, spirits, beer, wine milk.
• EXPLOSIVES : Suspensions of Gun powder explosive, etc.
• INKS & DYES : Printing inks, driers, dyes, sixes and solvents.
• FOODS : Liquid and semi-solid foods, Flavourings.
• OILS : Petrol, Diesel, Hydraulic and cutting oils, lube oils,
animal and vegetables oils and greases.
• PULPS : Paper, wood sizes bleaches
• RESINS : Natural and synthetics, water and solvent based,
Monomeric and polymeric plastics.
• SLUDGE & WASTE : Sewage, effluents, coal and lime slurry.
• SOLVENTS : Aromatic and allphatics, ketones, aldehydes, esters
and chlorinated hydrocarbons, de-icing fluids.
• WATER : All types.
• TIMBER PRESERVATIVES : Creosote, turpentine, copper, napthenate.
• PAINT : Emulsions, Latexes, Pigments, solvent, resins, thinners,
• PHARMACEUTICALS : Liquids, Creams and Compounds.
• PLATING : Aggressive acids, salts, sludge and effluents.
• RUBBER : Natural and synthetic.

ADVANTAGES OF AODD PUMP

• No Seal, No Leakage
• Self Priming, No need of foot valve
• Variable flow with pump.
• Can be submerged.
• Less stock of spare to be maintain.
• No Skilled person is needed to
operate and repair pump.
• Light weight, handy in use.
• No rotation, no wear & tear, hence
low maintenance.
• No Charging.
• Pump can run dry.
• Stops automaticlly on closing of discharge valve.
• Can handle 2 to 10 mm sized solid particles.
• Also can be used upto accuracy 3 to 5%
• No Motor, No fire.
In short very simple and versatile pump

OPERATION PRINCIPLE

Dry air is given as input to air valve.
• Air will push both diaphragm alternatively.
• Four ball valves will act as NRV for
suction and delivery.
• As per liquid compatibility MOC of
diaphragm, Valve and wet part selected