The Key-Valve KV-88 is a double-acting pneumatic actuator designed for operating quarter-turn valves, such as butterfly or ball valves. While specific details about the KV-88 model are limited, similar actuators with an 88mm bore size typically have the following specifications
Bore Size: 88mm (3.46 inches)
Air Supply Port: 1/4 inch
Operating Pressure: 2.5 bar to 8 bar
Maximum Working Pressure: 10 bar
Operating Temperature Range: Standard range is -20°C to 80°C, with options for -35°C to 80°C or -20°C to 150°C