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, ser hte print on body. colour- ivory-white/grey. accepted make: sparsh pearl/e legant/flowshield/ flow master or similar. note#1: manufacturer shall submit material test and water press ure testing valid certificate by nabl certified lab during supply. note#2:sample to be approved before bul k supply. note#3: following details shall be printed on body- indian railway logo, ser hte and month with year of supply [ warranty period: 36 months after the date of delivery ] ]