Tender For set of felt ring for reveser and ep contactor. set consists of 3 items as given below: 1. felt ring for 1500a rev erser and ctf size 4x5x240mm- 1000 nos 2. felt ring for 1500a cam type reverser and ctf's of size 4 x 5x270- 500 nos 3 . felt ring for electro pneumatic contactor drg.no: 4twd/111/074 - 2000 nos note: one sample to be got approved before effecting bulk supply [ warranty period: 30 months after the date of delivery ]