The Sigma Tek 1U478-003 piston air pump's unique design features give virtually maintenance free operation with unprecedented long life and is backed by a full 5 year/2,000 hours warranty. Will replace 200 series and 1U128 series instrument vacuum pumps. Contains no brittle carbon rotor and vanes to shatter, making this pump highly resistant to damage from foreign objects or excessive loading. This pump operates either clockwise or counterclockwise engine pad rotation in the vacuum or pressure mode. Each port is clearly marked. May be mounted in any orientation. Mounting gasket furnished. Sigma Tek recommends using our high flow fittings, always use P/N 58B423-003 (90 degree long) and 58B423-004 (90 degree short) fittings where applicable. FAA-PMA approved.
PN 10-01133 $725.00
Fitting Info
53B423-001 - A 3/8” fitting is used for the pump output port (pressure) in a typical vacuum installation having 5/8” hoses. Similar to Airborne model 1K10-6-10. PN 10-01150$29.70
53B423-002 - A 3/8” 45º fitting is used for either inlet or outlet ports with installations using 5/8” hoses. Similar to Airborne model 1K9-6-10. PN 10-01151$39.95
53B423-003 – A 3/8” 90º 1½” long high-flow fitting used for either inlet or outlets with installations using 5/8”hoses. Must always use this fitting to avoid interference with AEON piston pump. PN 10-01152$39.95
53B423-004 – A 3/8” 90º 1” short high-flow fitting used for either inlet or outlets with installations using 5/8”hoses. Must always use this fitting to avoid interference with AEON piston pump and when two 90º fittings are used. PN 10-01153$39.95
50A138-001 - This ¼” ID in-line snubber fitting to be used on vacuum/suction gauge inlet port to eliminate gauge pointer fluctuation as required. PN 10-01848$22.75
Instruments - Vacuum Systems - Sigma-Tek
