| 摘要 |
FIELD: apparatuses for water circulation, possibly in heating systems. SUBSTANCE: tank includes rigid housing with membrane dividing it by fluid-type expanding cavity and atmospheric cavity with mutually changing volumes. Expanding cavity has sealed slit unapproachable for liquid; membrane is provided with sealed tubular branch. Housing has opening designed for communicating with system and partly covered with elastic protective plate. EFFECT: simplified process for making tank and mounting it under ceiling, possibility for monitoring water level, increased useful life period. 2 cl, 1 dwg _ |
