panblast airflo deadman controle handle nptAbout the PanBlast AirFlo Deadman Control Handle NPT The PanBlast AirFlo Pneumatic Control Handle is a bleed type handle, designed to operate with a twinline system to remotely supply and activate air to the blast pot remote control valves. The NPT configuration is compatible with most U. S. blasting equipment. This is a bleeder type deadman handle. A bleeder type handles in un activated state provides a constant air bleed to atmosphere with a hissing