Burgmann BT-FN mechanical seals RM 155, conical spring, o ring seal used in water transfer pump、

THE 155 seal is named BT-FN in Burgmann,, The BT-FN combines a spring loaded ceramic face with the tradition of the pusher mechanical seals. the competitive price and the wide range of application have made 155(BT-FN) a successful seal. recommended for submersible pumps. clean water pumps, pumps for domestic appliances and gardening.