tender for supply zero passing metal seated ball valves for crh system as per details given at annexure-i & ia ˃ , zero passing meal seated ball valve with pneumatic actuator along with mor, remote operated with minimum 5kg/cm2 air pressure air (no air to hold last position), valve body moc: forged carbon steel (a-105) trim moc: ss410+ccc size: 10, class:900 pipe dimensions: ɸ 273*11 end connection: butt weld/socket weld actuator details: doble acting actuator, solenoid supply : 220vac with position feedback assembly (open & close limit switch rating: 10a) note: pneumatic actuator shall have option of manual handle over ride operation