| 3/12/2018 | 848130910000 | DN 150 CHECK VALVE SWING- PN16
| 73 | Units | 14858.3 | N/A | FAF VANA SANAYI VE TICARET ANONIM SIRKETI. |
| 3/19/2018 | 848130990000 | CHECK VALVE
| 45 | Units | 3440.39 | N/A | NAZIFE DOGU |
| 3/13/2018 | 848130990000 | AXIAL CHECK VALVE
| 4 | Units | 20400.8 | N/A | ENTA MÜHENDISLIK ARITMA TAAHHÜT SAN.VE TIC.LTD.STI. |
| 3/19/2018 | 848130990000 | TILTING CHECK VALVE - SWING CHECK VALVE
| 37 | Units | 16917.8 | N/A | ESVANA VANA METAL INS.NAK.OTOM.SAN.VE TIC.LTD.STI. |
| 3/8/2018 | 848130990000 | INDUSTRIAL CHECK VALVE 1/2/3/4
| 120 | Units | 3379.77 | N/A | BEST EFOR MAKINA INSAAT IÇ VE DIS TICARET LIMITED SIRKETI |
| 3/16/2018 | 848130990000 | U-PVC YM SPRING CHECK VALVE Ø75 PN16 - PCS, U-PVC YM SPRING CHECK VALVE Ø90 PN16 - PCS, WASTE WATER CHECK VALVE (ENJ) Ø150 - PCS
| 87 | Units | 1363.08 | N/A | PIMTAS PLASTIK INSAAT MALZ.SAN.VE TIC.A.S. |
| 3/5/2018 | 848130990000 | PVC CHECK VALVE ,.
| 66 | Units | 1520.04 | N/A | FLUIDRA TR SU VE HAVUZ EKIPMANLARI SANAYI VE TIC.A.S. |