Madras Hydraulic Hose [P] Ltd offers Circular Bellows and Expansion Joints. Madras Hydraulic Hose [P] Ltd has obtained ISO 9001:2001 certifications. Circular Bellows and Expansion Joints are being manufactured based on proven technology used world wide to meet various applications in the industry. Circular Bellows and Expansion Joints are employed in piping systems to absorb differential thermal expansion while containing the system pressure. These expansion bellows are being used in refineries, chemical plants, nuclear power systems, heating and cooling systems etc. The size ranges from 14mm to 400mm inner diameter in circular bellows.