supply of set of purg-o-matset of purg-o-mat,set of purge-o-mat automatic float air vent valve and vacuum valve for roof water tank 30l mounting for lhb coaches. 1) purg-o-mat automatic float air ve nt valve with shut-off valve having thread bsp 3/8 inch to rcf drg. no. lw63150, item-4, alt-e, qty/set: 1no. 2) vacuum valve g-1/2 inch to rcf drg. no. lw63150, item-3, alt.e, qty/s et: 2 nos. note:(1) as per drawing air vent valve and shut-off-valve must be procured from m/s hans h. voss tulpenweg or m/s calefi or m/s watts industries italy. (2) one a dvance sample to be got approved by the consignee for functional requirements b efore bulk supply. [ warranty period: 30 months after the date of delivery ] [quantity tolerance (+/-): 5 %age , item category : normal , total po value variation permitted: max 8 lacs ] ] carr. repair stores/tpty, andhra pradesh 320.00 set