supply of pressure transformer type - du 111 a for keo design distributor valve etc.pressure transformer type - du 111 a for keo design distributor valve etc.,pressure transformer type - du 111 a for keo design distributor valve. drawing no .- es cort,s part no. 300 or kbi part no. i69877/001/ki. material and specification - as per drawing and confo rming to rdso,s spec no. 02-abr-02 with amend no 4 of sept 2016 ,and appendix a1 & a2. [ warran ty period: 36 months after the date of delivery ] [quantity tolerance (+/-): 5 %age , item category : normal , total po value variation permitted: max 8 lacs ] ] new general stores depot/kgp, west bengal 30.00 numbers