Poona Couplings Pvt. Ltd. Manufactures High Temperature Blind Assembly Coupling. Poona Couplings Pvt. Ltd. Is an ISO 9001-2000 awarded company that also manufactures wide range of couplings. High Temperature Blind Assembly Coupling allows operation in bell housings where ambient temperatures can be high. It ensures continuous operation of the driveline in the unlikely event of rubber damage. It avoids failure of the driveline under short circuit and other transient conditions. It finds application in Marine propulsion, Generator sets, Compressors and Rail traction.