supply pneumatic drain isolating valve , supply pneumatic drain isolating valve note:- shut off shall be absolute zero leakage. all valve and attached fitting shall be ibr certified and equivalent , zero passing metal seated ball valve, remote operated with 5-7 kg / cm2 air pressure air to close ( no air to open ) steam drain isolating ball valve with pneumatic actuator, forged alloy steel ( f-22 ) size: 1.5, class: 3100 pipe diamension: ? 48x10 end connection: butt weld actuator details: single acting actuator, solenoid supply: 220vac with position feedback assembly ( open & close limit switch rating: 5a ) , zero passing metal seated ball valve, remote operated with 5-7 kg / cm2 air pressure air to close ( no air to open ) steam drain isolating ball valve with pneumatic actuator, forged alloy steel ( f-22 ) size: 2, class: 3100 pipe diamension: ? 60x11 end connection: butt weld actuator details: single acting actuator, solenoid supply: 220vac with position feedback assembly ( open & close limit switch rating: 5a ) . , zero passing metal seated ball valve, remote operated with 5-7 kg / cm2 air pressure air to close ( no air to open ) steam drain isolating ball valve with pneumatic actuator, forged alloy steel ( f-22 ) size: 1.5, class:1500 pipe diamension: ? 48x5 end connection: butt weld actuator details: single acting actuator, solenoid supply: 220vac with position feedback assembly ( open & close limit switch rating: 5a ) .