Heattrans Equipments Pvt. Ltd. Offers Recessed Chamber Filter Plates. Heattrans Equipments Pvt. Ltd. Has been awarded an ISO 9001:2000 certification. Recessed Chamber Filter Plates are the most widely used for any productivity at low investment. Recessed Chamber Filter Plates allows centre feeding with high rate of feeding rate compare to old plate and frame type filter plates. The higher size feeding nozzle of these filter plates allows fast filtration. It is used for filtering chemical and pharmaceutical, municipal water, waste water, ceramics, mining and refining, food, industrial waste, utilities.