supply of polytetra methylene terephthalate material (ptmt)polytetra methylene terephthalate material (ptmt),polytetra methylene terephthalate material (ptmt) s.s.304 grade, spring loaded lift cock 15 mm female thread with following specifications: water pressure up to 5kg/cm2, dimension of lift cock is le ngth-82mm, width 42 mm. colour- ivorywhite/grey. manufacturer shall be submitting material test and wat er pressure testing valid certificate by nabl certified lab. sample to be approved before bulk supply. acce pted make: sparsh pearl/elegant/flowshield/ flow master only. following details shall be printed on body (a ) indian railways (b) cr-kop (c) manufacturing date. [ warranty period: 30 months after the date of delivery ] ]