Bids are Invited For Set of item no 1 & 2 for as per RDSO spec.no. RDSO/PE/MS/AC/0089-2022 Rev.0 or latest , Item No.1: Differential pressure switches (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 or latest. - Qty 01 No. per set. Item No.2: Suitable length SS304 tube with ID 4.0 mm and 6.6 of O.D and length: 1.173 mtrs to connect the Differential Pressure switch to Heating element. - Qty 01 No. per set. in Andhra Pradesh