![]() Why is Dry Pipe Fire Sprinkler System Winterization needed? ![]() In these dry systems, when a fire occurs, a “dry pipe valve” operates and allows water to enter the system, replace the air, and be discharged onto the fire. Dry systems, however, are pressurized with air instead of water under normal circumstances within the section of piping that is exposed to freezing conditions. (If you are unsure if you have dry pipe sprinkler systems, refer to your Annual Sprinkler System Inspection Report.)ĭry pipe sprinkler systems function in a similar manner to normal “wet” type sprinkler systems. These areas can include: attics, entry vestibules, outside canopies, and similar areas. ![]() What are Dry Pipe Fire Sprinkler Systems?ĭry pipe sprinkler systems are utilized in areas of the facility where sprinkler protection is required, but is likely to experience freezing conditions. Dry pipe fire sprinkler system winterization begins with weekly maintenance and includes drum drip draining. Dry pipe fire sprinkler systems are a very effective and reliable component in your fire protection system, however, additional maintenance is required.
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