MANUAL MINIATURE VALVES New 104 micro valves series have been realized as an economic version to complete the range of 105 valves version. With their small overall dimensions it makes easy installation and operation. ACCESSORIES These accessories are a range of devices for completing a pneumatic circuit. These valves, with their special functions, are inserted between two valves, between a valve and a cylinder, or following a cylinder. COMPLEMENTARY VALVES When building automated pneumatic circuits, it is sometimes necessary to alter or modify the various signals.