Vacuum Pumps & Generators
The first step in creating a successful vacuum bagging system is to create a vacuum. Fabricators have two options: a vacuum pump, or a vacuum generator that is used in conjunction with an air source. For best results, it's recommended that your vacuum pump or generator be matched closely to your project by several factors:
- Basic size of pump and part
- Rate of air displacement in cubic feet per minute, or CFM
- Ultimate pressure, measured in inches of mercury, or "Hg"
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Vacuum pumps are typically rated by four factors: the horsepower (hp) of the motor; the type of pumping mechanism (rotary vane, diaphragm, piston, etc.); the volume of air displaced in CFM, and the maximum attainable vacuum pressure in inches of mercury (Hg).
Vacuum generators connect to an air source (typically an air compressor) and are rated by CFM and maximum attainable vacuum pressure.
At FibreGlast.com, we carry two different types of pumps:
- Our #2228-A Industrial 0.56 HP pump is a rotary vane pump. A rotary vane pump is a positive-displacement pump that consists of vanes rotating with a cavity, dividing the working chamber and sealing at the chamber wall. As the rotor turns, gas flows into one side of the chamber until it is sealed by the second vain. The enclosed gas is compressed until the outlet valve opens o the other side.
All vacuum pumps and generators will require hose assemblies for connection to the vacuum bag. FibreGlast.com offers vacuum tubing, hose assemblies, and a complete selection of fittings, gauges, connectors, and more—all the supplies needed for a successful vacuum bagging project. All are designed to work interchangeably with one another for your convenience.
You can place your order on our website or, if you have any questions, call 1.800.838.8984 | 8:00am - 7:00pm EST Mon-Fri.
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