bids are invited for 1 ball valve size & rating: 3, ansi 900# rf flanged. body / bonnet: a216 gr.wcb. trunnion mounted. 150 mm stem extension. full port. solid enp ball of a351 gr.cf8m. seat of a351 gr.cf8m+stellited. actuator: double acting rack & pinion high performance piston type, pneumatically operated through 4 / 2 way asco make double coil exproof solenoid valve having ss316 body & 110 vac supply. placka make air filter regulator, 5 / 2 way air lock valve & quick exhaust valves all firmly mounted & ss tubed. limit switch box with proximity switches intrinsically safe for open / close indication firmly mount on actuator top. all suitable for hazardous area iec zone-2 gr iia / iib / iic t3. class v leakage class. body f to f distance: 381 mm. hydraulic test certificate for shell at 236 kg / cm2 & seat at 173 kg / cm2 required. helium leak test required. radiography of casting required. detail specifications as per attached sheet. on-off valve tag no.:51kv4612a / b, 51kv4615a / b. 300127875 2 no 2 ball valve size & rating: 4, ansi 900# rf flanged. body / bonnet: a216 gr.wcb, trunnion mounted. 150 mm stem extension, full port, solid enp ball of a351 gr.cf8m. seat of a351 gr.cf8m+stellited. actuator: double acting rack & pinion high performance piston type, pneumatically operated through 4 / 2 way asco make double coil exproof solenoid valve having ss316 body & 110 vac supply. placka make air filter regulator, 5 / 2 way air lock valve & quick exhaust valves all firmly mounted & ss tubed. limit switch box with proximity switches intrinsically safe for open / close indication firmly mount on actuator top. all suitable for hazardous area iec zone-2 gr iia / iib / iic t3, class v leakage class. body f to f distance: 457 mm. hydraulic test certificate for shell at 236 kg / cm2 & seat at 173 kg / cm2 required. helium leak test required. radiography of casting required. detail specifications as per attached sheet. on-off valve tag no.:51kv4607a / b, 51kv4610a / b. total quantity : 3