door closer

Am looking for an automatic slow door closer for an single and double upvc exterior door. To slow the door from dropping and automatically close. So fire rated and weight around 60kg and of type 'overhead door closer' with an adjustable closing time. What product should I get

We are moving to a new house - well a conversion but everything except the walls is new. Anyway, the doors were all fitted but now have to be replaced with fire doors. These look the same apparently (oak veneered) but are thicker overall. The reason is that in one of the bedrooms it will not be...