supply of supply set of spare part for water pressurized cylinder etc.supply set of spare part for water pressurized cylinder etc.,supply set of spare part for water pressurized cylinder unit assembly given as below 1) air si de piston assembly as per janatics product no. jas039-wps-01 2) water side piston assembly as per janatic s product no. jas039-wps-02 3) piston rod as per janatics product no. jas039- wps-06 or equivalent.eq uivalent means it should be functionally compatible with janatics make pressurized flushin g system. note: as per mmdts 19027 rev 03, dated 17/10/2022 for designed pressurized fussing syste m of lhb coaches [ warranty period: 30 months after the date of delivery ] [quantity tolerance (+/-): 5 %age , item category : normal , total po value variation permitted: max 8 lacs ] ]