supply of gas safty valve , gas safty valve of kromschroder make with model no jsav50f50/1, oz trip press or exact ly equivalent in other makes krom schroder/madas/honeywell/maxon and eclipse with the following specific atios:- orifice / size-50 mm (dn 50).; connection type-pn 16 flange.; maximum inlet pressure (pu)-5 bar .; factory trip pressure (p_do)-120-170 mbar. ; temperature range: -20 degree c to +60 degre e c.; material - housing: - ductile iron / ggg40 .; valve internals-diaphragm (nbr), stainless stems, alumin um/plated components.; note: 1) tenderer shall quote along wiyh the technical/dimensional catalogue an d adc. 2) only oem/authorised dealers of oem shall participate in the tender. [ warranty period: 18 mont hs after the date of delivery ] ]