India, July 28 -- SOUTHERN RAILWAY has issued a tender notice titled "Differential Pressure Switch (Dps) Based Heater Protection System for Rmpu" with the tender reference no.: 52266035.
The tender details are as follows: Set of items for provision of Differential Pressure Switch (DPS) based heater protection system for RMPU of LHB EOG/HOG AC coaches as per RD SO Modification Sheet No. RDSO/PE/MS/AC/0089-2022 (Rev.0). (a) Item No.1: Differential pressure switch (DPS) of pressure range from 0.08 - 1.20 (inches WC) shall be provided with more than 10,00,000 operations with automatic reset with IP-54 protection as per IEC-60529 with UL-94 V0. - 01 Number per set. (b) It em No.2: SS304 tube with ID 4.0 mm and 6.6 of O.D and length: 1.173 metre...