Tender For procurement of spares for suction/ discharge valve unit, pulsation diaphragms and seal unit of weir mineral make geho pumps model no. tzpm 250 installed at silo in hcsd system of fly ash system of ahp-iv unit 10 and 11 stps, sarni. - clamping piece part no. 831.901.026, valve support part no. 831.901.033, conical valve part no. 831.350.157, valve ring part no. 831.700.729, valve seat part no. 831.150.854, lock nut part no. 831.900.141, guide bush part no. 831.900.824, compression spring part no.825.107.053, lock pin part no. 831.901.025, piston diaphragm part no. 824.050.023, pulsation diaphragm part no. 824.030.000.64, seal part no. 933.730.250