Armstrong International, Inc. has introduced its ADP-1 pneumatically operated liquid drainer with press-to-test actuator for compressed air service. The ADP-1 is automatically operated, does not waste air and has a see-through reservoir. The ADP-1 can be used to drain oil/water separators. Its low profile makes it easy to mount on base-mounted compressors, remote cooler packs, refrigerated air dryers and filters. Armstrong International, Inc. Circle 9.