Easy Source Fluid Flow Control - AODD / Diaphragm Pump
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| AODD / Diaphragm Pump | |
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AODD / Diaphragm Pump - Initials from "air operated double diaphragm" normally a shop air line pressure device (150psi). The abbreviation "AOD" is is a registered trademark. This "double diaphragm" should never be confused with "double layer diaphragm" as used in 5000 psi diaphragm head metering pumps. An "AODD" is different form a double layer diaphragm head metering pump. |
All-Flow
All-Flow Manufacturer of Lube Free, Non-Stalling Air Diaphragm Pumps.Product(s) / Service(s): Air Diaphragm Pumps
Source / Origin of Design: Unknown
Contact Information:
Not Available
Web Site: http://www.all-flo.com/
Edson
Edson Diaphragm Pumps are the most popular of all Edson Pumps due to their simplicity, reliability and convenience.Product(s) / Service(s): Diaphragm Pumps
Source / Origin of Design: Unknown
Contact Information:
Not Available
Web Site: http://www.edsonintl.com/
Price®
Price® Pump Company is a leading manufacturer of 50 & 60 Hz Centrifugal pumps as well as Air Operated Diaphragm (AODD) pumps. Our pumps are suitable for liquids ranging from water, oils, solvents, and chemicals to strong acid or alkaline solutions. Our pumps offer dependability and quality at a very competitive price.Product(s) / Service(s): Centrifugal pumps, Air Operated Diaphragm (AODD) pumps
Source / Origin of Design: Unknown
Contact Information:
Not Available
Web Site: http://www.pricepump.com/
Yamada
Yamada air-powered double diaphragm pumps.Product(s) / Service(s): air-powered double diaphragm pumps
Source / Origin of Design: Unknown
Contact Information:
Not Available
Web Site: http://www.yamadapump.com/
Wilden
Wilden has been the market leader in air-operated-double-diaphragm pumps.Product(s) / Service(s): air-operated-double-diaphragm pumps
Source / Origin of Design: Unknown
Contact Information:
Not Available
Web Site: http://www.website.com/
AODD / Diaphragm Pump
A diaphragm pump is a positive displacement pump that uses a combination of the reciprocating action of a rubber or teflon diaphragm and suitable non-return check valves to pump a fluid. Sometimes this type of pump is also called membrane pump.There are two main types of diaphragm pump:
In the first type, the diaphragm is sealed with one side in the fluid to be pumped, and the other in air or hydraulic fluid. The diaphragm is flexed, causing the volume of the pump chamber to increase and decrease. A pair of non-return check valves prevent reverse flow of the fluid.
The second type of diaphragm pump has one or more unsealed diaphragms with the fluid to be pumped on both sides. The diaphragm(s) again are flexed, causing the volume to change.
When the volume of a chamber of either type is increased (the diaphragm moving up), the pressure decreases, and fluid is drawn into the chamber. When the chamber pressure later increases from decreased volume (the diaphragm moving down), the fluid previously drawn in is forced out. Finally, the diaphragm moving up once again draws fluid into the chamber, completing the cycle. This action is similar to that of the cylinder in an internal combustion engine.
Diaphragm pumps may be low lift (flooded suction), low pressure pumps with low flow rates. They can handle sludges and slurries with a moderate amount of grit and solid content. Excessive solids cause blockages.
Diaphragm pumps with teflon diaphragms, ball check valves, and hydraulic actuators are used to deliver precise volumes of chemical solutions at high pressures (as much as 5000 lbf/in) into industrial boilers or process vessels.
Diaphragm pumps can be used to make artificial hearts.
Diaphragm pumps can be used to provide oil free air for medical, pharmaceutical and food related purposes
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