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FAQ
FAQS
You can browse through our FAQs to discover the questions on the minds of your industry peers and the answers supplied by the brilliant engineering minds at Safe-Fire.
WHY DO HIGHER BOILER LOADS CAUSE FLAME SCANNER TO PERFORM AT BELOW OPTIMUM LEVELS?
For higher boiler loads, optimizing flame scanner performance begins with proper installation and is further enhanced when a fiber optic cable is installed with an appropriate degree bend at the tip specification.
WHAT IS THE INDUSTRY STANDARD OPERATING TEMPERATURE RANGE FOR AN IR OR UV SCANNER?
There is no industry standard on the temperature range, but the majority of our competitors have an operating temperature range between 120°F and 150°F. Safe-Fire’s flame scanner operates well above that with the highest operating temperature level in the industry at 185°F.
WHAT IS A TYPICAL SETTING FOR COOLING AIRFLOW TO THE SCANNERS?
Cooling airflow to the scanners is based on the total number of flame scanners in the system, diameter of the pipe and length of the pipe. The correct sizing of the blower is also a factor. Typically the airflow pressure at each scanner, without a fiber optic cable, needs to be at 6” w.c. above furnace or windbox pressure or a volume of 6 SCFM. If each flame scanner has a fiber optic cable it will require a pressure setting at 10” w.c. above furnace or windbox pressure or a volume of 15 SCFM.
IF COOLING AIR JACKETSA ARE REQUIRED FOR EACH FLAME SCANNER, CAN YOU USE PLANT AIR?
Plant air will not generate enough pressure to adequately cool air jackets. A compressor is required to supply the air required to the cooling air jackets only. The compressor cannot be used on any other equipment.