Ball valve ROLLY series

leverdistributionflange

TECHNICAL FEATURES: Temperature limits: for fluids from –20°C to +130°C Pressure limits: for fluids at 16 bar for all the dimensions SPECIFIC FEATURES: Bore: full. Stem: security system with self-adjusting gland. Seats: high resistance virgin PTFE. Upper seal: DSS4® Dynamic Sealing System (international patent) 4 anti-friction self-adjusting cone-shaped seals, in PTFE with dynamic seals. Ideal system to ensure long life cycles, high and low pressure and vacuum. Rotatable flanges: in steel, they allow the positioning of the valve with respect to pipe axis. Application fields: The ROLLY series can be used as an alternative to OLYMPIC. It is usually employed for water distribution, industrial and civil heating, water plants, hydraulics and pneumatics, oil and petrochemical fields, non aggressive fluids. Threaded end connections: • standard flanges according to UNI EN 1092-3 (sealing raised face PN 16). Operation devices: Aluminium lever. Available colours: black. All the valves comply with the regulation 97/23/CE and are tested 100% on pneumatic seal with electronic control.