PY系列半固定式（轻便式）泡沫灭火装置是一种机动灵活的灭火装置，可与泡沫枪、泡沫产生器等组成泡沫灭火装置。它采用PHF型管线式比例混合器，当压力流经混合器时，能将泡沫液通过负压引射按比例混合，经过泡沫枪或泡沫产生器喷射泡沫扑灭火灾。适用于船舱、甲板、锅炉房、固体物质仓库、易燃液体仓库、地下建筑工程等消防场所。

1. Product characteristics and uses 

PY series semi-fixed (portable-type) foam fire extinguishing plant is flexible fire-fighting equipment and it is composed of foam gun and foam generator. It uses PHF series of pipeline foam proportioner and the foam liquid can be through the negative pressure ejector mixed in proportion when the pressure flow through the mixer, and then through the foam gun or foam generator spray the foam liquid to extinguish the fire. Applicable to the cabin, deck, boiler room, solid material warehouse, flammable liquid warehouse, underground construction and other fire places.