Fire Protection Specialists - FPS - Standard pendant & upright Sprinkler Spacing according to #NFPA_13 - 2019 edition. For more information about sprinkler characteristics, please visit the link below: https://www.fps-eg.com/2019/09/sprinkler ...
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China High Performance Alarm Check Valve - Upright Fire Sprinkler – Minshan manufacturers and suppliers | Minshan
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