30 Ton Rosin Press V3BVV 30 Ton Rosin Press V3 This is the new and improved BVV brand 30 Ton Rosin pro Rosin press. It features a pneumatically driven hydraulic cylinder. The large 8 x 6 plates offer the most surface area for pressing and are made out of polished aluminum. This press also features 2 touchscreen PID controllers capable of keeping the heated plates within 1 degree of the set point. There is a manually operated timer with a built in counter to keep track of