supply of valvevalve,air bellow drive complete, as per schunk drg. no. 1-b04.15759 & schunk part no. 90901000 1800 for schunk make pantograph model wbl 22.03, suitable for 3-phase memu. [ warranty period: 30 months after the date of delivery ] ] , set of insulating hose pipes (ptfe tubes) for m/s schunk make pantograph of type wbl 22. 03. 1. insulating hose (white) to m/s schunk part no. 90910013900, 1 number/set. 2. insulating hose (gree n) to m/s schunk part no. 90910014000, 1 number/set. 3. insulating hose (blue) to m/s schunk part no. 90 910014100, 1 number/set. each set consists of three items. [ warranty period: 30 months after the date of delivery ] ] , valve unit add part no.909010012600/2-v15.16191 to suit m/s schunk pantograph model no . wbl-22.03. [ warranty period: 30 months after the date of delivery ] ] , over reach detection part no.909010012700/2-v15.15775 to suit schunk pantograph model no. wbl-22.03. make: schunk [ warranty period: 30 months after the date of delivery ] ]