supply of water locking unit for electro pneumatic etc. , water locking unit for electro pneumatic pressurised flushing system of lhb c oaches make/brand: imi part no. spin/0122/040 of imi or cemcon or spac or janatics or equival ent. equivalent means it should be same size and function as per mcf specification mmdts 19 027 rev.03 or latest.a sample to be pre-approved before bulk supply. (warranty period : upto 30 m onths from the date of delivery.) [ warranty period: 30 months after the date of delivery ] [quantity tolerance (+/-): 5 %age , item category : normal , total po value variation permitted: max 8 lacs ] ]