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Vent Flare - EPG Solar Spark

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EPG Solar Spark Vent Flare

Solar Spark® Vent Flares are widely used for odor and emission control at passive outlets, such as cap vents, leachate stations, or from gas outbreaks at the surface of active or closed landfill cells.

These units are ruggedly constructed for long life and feature solar-powered continuous ignition with very low maintenance requirements. Mounting hardware is versatile and can be provided to adapt to any situation.


Solar Spark® Vent Flares are typically used on landfill gas vents, wells, or leachate system cleanout lines to combust flammable gases. Solar Spark® Vent Flares combust flammable gases at low ambient pressure without the need for blowers or external power, making them ideal for not only landfills, but any application involving surface emissions.

Standard Features Include:

• All Weather Stainless Steel Spark-Pilot

• Solar-Powered Continuous Ignition System, 6-Volt Or 12-Volt

• Stainless Steel Ball Valve

• Inline Flame Arrester

• 2-90 SCFM or 5-140 SCFM Flow Rates

Optional Accessories Include:

• Solar-Powered Vacuum Fan

• Stainless Steel Visibility Shield

• Cold Weather Insulation Kit

• Guy Wire Kit

• Data Logger Kit with Thermocouple and Flame Pilot Tube

• Propane Tank Gas Combustion Kit

• Redundant Safety Ignition System

Other uses:

• Dairy and Animal Feeding Facilities and Farms

• Wastewater Treatment Plants

• Biogas Facilities

• Petroleum or Natural Gas Production and Transmission

• Eliminates foul odors and VOC's (volatile organic compounds) emanating from the landfill

Product FAQs

I have an Optima-7 and suddenly the H2S readings are bad or very high. Do I need to replace the sensor?

Not necessarily. When the H2S sensor is exposed to high levels of H2S gas, it is recommended to run the instrument with the gas pump on with ambient air for the same amount of time the sensor was exposed to the high level of H2S. This allows for purging of the instrument before turning the instrument off. Be aware though that continued exposure to levels over 5000ppm H2S will damage the sensor.

Is it safe to expose the H2S sensor in an Optima-7 to H2S gas concentrations just below 5000ppm?

Exposure to H2S levels from 2000-5000ppm with moisture will degrade the sensor more quickly. Using filters inline reduces the moisture content of the gas stream entering the instrument.

A gas reading is much lower than expected. Is the sensor bad?

A common cause for lower than expected gas readings is leakage in the instrument. Perform a leak test by connecting the Condensate Separator Tube to the Pressure Connection 1 Port with tubing.

Perform a leak test as described in the User Manual Optima 7 Biogas. If the leak test fails, check for defective or missing o-rings in the Condensate Separator Tube.

If the user uses the Sampling Probe with sampling lines to take gas readings, place a clean Leak Proof Test Cap on the end of the probe spike. Attach the other end of the sampling line onto the Condensate Separator Tube. Perform the leak test. If the leak test fails, check for defective or missing o-rings in the Condensate Separator Tube and for cracks in the sampling line.

The Optima 7 is not displaying a temperature reading after inserting the thermocouple into the instrument.

Look closely at the prongs of the thermocouple. The prongs might be dirty. Use a sponge soaked in a 1:3 vinegar/water solution and gently wipe the prongs. Wipe dry with a lint-free cloth or allow to air-dry.

The Optima 7 will not power down after pressing the OFF key. How do I turn off the instrument?

Simultaneously, press the ESC key and the power button then release both keys. You will have to update the Date and Time setting in your instrument afterwards.

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