Parker's range of piloted fittings offers reliability, compactness and time savings in the installation and maintenance of pneumatic systems. The range includes blocking fittings, operated check valves and sensors. It is available in a wide variety of configurations and materials and, depending on the model, piloting can be manual, electric, pneumatic or electro-pneumatic to meet the most stringent safety and performance requirements of pneumatic systems. Parker Pilot Operated Couplings are suitable for all pneumatic installations in a wide variety of applications, serving today's major industrial markets.