Membranes are elastomeric elements between two moving masses. They act as mobile barriers to make waterproof the spaces occupied by two fluids, which can have the same or different nature and pressure.
Flat membranes are cut from rubberised fabric or rubber sheeting. They have limited extension, but with pressure applicable on both sides.
These are moulded from rubberised cloth or rubber with or without fabric reinforcement.
Designed for static seal of holes. Standard material is normally NBR, but special materials like FKM or ACM can also be used