For gases and liquids with continuous flow, e.g. for air, air-oil mixture and oil in screw compressors.
Open, if the medium is flowing in the direction of the arrow on the valve of flow is reversed.
The valve consists of a housing with valve seat, a valve disc, a conical spring,
a spring support ring and a retaining ring. The valve disc is guided by the
valve housing. Type A non-return valves require little space. The valve opens
fully at minimum flow, because the conical spring's force is carefully matched
to the weight of the valve disc.
Installation:Installation between flanges to DIN standards