bids are invited for supply of instrument spares for ash handling system of boiler 2 x 18 tph under pac 1 or 4 inch solenoid valve for pneumatic cylinder 5 or 2 way , blow valve 50nb , seal kit for blow valve 50nb , repair kit for blow valve 50nb , pneumatic cylinder 4 inch x 9 inch , seal kit for pneumatic cylinder 4 inch x 9 inch , front clavish for 4 inch x 9 inch pneumatic cylinder , male connector 1 or 4 inch x pu-6 , male connector 1 or 4 inch x pu-8 , pressure switch seal pressure rt116 - pressure switch (seal pressure) rt116 , pressure switch vessel low pressure rt112 - pressure switch(vessel low pressure)rt112 , pressure switch vessel high pressure ips 70 - pressure switch(vessel high pressure)ips 70 , air limit switch , seal kit air limit switch , quick exhaust valve 3 or 4 inch , diaphragm for quick exhaust valve 3 or 4 inch , quick exhaust valve 1 or 4 inch , diaphragm for quick exhaust valve 1 or 4 inch , seal pressure gauge , vessel pressure gauge , pu tube 6mm , pu tube 8mm total quantity : 524