tender for supply of various mechanical seals for vyasi power house, hathiyari, dehradun. , supply of j-seal (maintenance seal), nitrile rubber, pressure rating: 16kg/ sq cm, to be fixed on inner periphery of butterfly valve (miv) body using collared hex. hd bolt m16x40. (as per sample) , supply of miv service seal (door seal), nitrile rubber, pressure rating: 16kg/ sq cm, to be fixed on butterfly valve (miv) door periphery using stud m20x2.5x55 and hex nut m20(ss). (as per sample) , supply of rubber shaft seal (hollow from inside), nitrile rubber, pressure rating: 10kg/ sq cm, to be fixed on shaft above the runner. final joints of sealing ring and shaft seal to be glued during assembly at site. joint of sealing ring to be made in such a way that scarf joint gets pressed in the direction of rotation of shaft sleeve. (as per sample) , filter element-flndwhc63 fdc 50 d1x/-l220-b7 (used in 3/4 hydraulic pipeline to operate bypass valve inside miv hydraulic control panel) make: hydac (as per sample) , supply of directional control valve (4 port hydraulic valve) of hydraulic over speed system. make : vickers (model code: 02-395167, model no. dg17v4-013nl-10. (as per sample)