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UV Bulbs & Parts > UV Replacement Bulbs

UV Lamps Replacement Bulbs

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Order spare UV bulbs TODAY! 

 
 
UV Replacement Bulb
 

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AAA Press has been providing high quality replacement bulbs to the UV curing industry for over 35 years. All bulbs we provide are warranted and pro-rated for 1,000 hours of performance.

We provide replacement UV bulbs for a wide variety of UV manufacturers such as: AAA Press, Aetek, Brewer, Eye, Fusion, Gallus, Hanovia, Honle, IST, Kaman, Lightouch™, Nilpeter, Prime, Rotoflex, Stanford, UV Research and UV Technology.

UV Mercury Bulb Technology - How It Works?

Medium pressure mercury vapor bulbs consist of a handful of critical components that must be precisely manufactured & assembled to deliver high performance results. These components include a quartz tube, a small amount of liquid mercury, steel electrodes, end caps and short electrical wires on each end. The quartz tube is used to contain the mercury and is capable of withstanding high temperatures.

The quartz must be of very high quality without cracks or blemishes so that the quartz can transmit all of the critical UV rays. The mercury must be measured to exact volume depending on the length of the lamp. The end caps hold the metal electrodes and the electrical wire is attached to the electrodes to allow power interface with the lamp.

When the lamp is placed in circuit and power is applied to it through wire and electrodes, it will initially draw high current. At this point, it is firing electrons from one electrode to the other. A high level of energy is required to create a path between the two electrodes. As the electrons collide with the atoms of gas, the gas collides with the mercury and the heat energy from the collisions vaporize the mercury into the arc. The current and voltage begin to stabilize only when all of the mercury has been completely vaporized. This initial stage is known as “striking” when the mercury is in its liquid form. The secondary stage is known as “burn-in” when the mercury begins to vaporize. The voltage and current stabilize after the burn-in and stable current is imperative to smooth operation and optimum UV output.

A UV bulb will typically operate producing temperatures between 600-800°C on the quartz surface and approximately 250°C at the end caps. A lamp must operate in this temperature window for optimum usage and longevity, therefore the way a lamp is cooled is critical to smooth performance and high output.


Contact us at 800.678.7222 in the US & Canada or at +1 847.818.1100 from all other locations. If you would prefer to contact us via email, send your requests to info@aaapress.com and we will provide you with the technical assistance you need, answer your questions on pricing, and provide any additional information you request. Our knowledgeable staff is ready to assist you at any time.