supply of flanges carbon steel / alloy steel / stainless steel flanges , laying and jointing pvc pipe . heading , fl , bl , rf , cs , a105 , 150 , 3 / 4in , nace as per tender techncial specification , fl , sp . bl , rf , cs , a105 , 150 , 12in as per tender techncial specification , spcr & blnd rf cs a105 150 20in as per tender techncial specification , fl , sp . bl , rf , cs , a105 , 300 , 6in as per tender techncial specification , fl , sw , rtj , as , a182 f11 , 600 , 1 1 / 2in , h2 as per tender techncial specification , fl , wn , rf , cs , a105 , 300 , 3in , std as per tender techncial specification , fl , wn , rf , cs , a105 , 600 , 16in , 40 as per tender techncial specification , fl , wn , rf , cs , a105 , 600 , 10in , 40 , ibr as per tender techncial specification , fl , spcr blnd , a105 , rf , 16in 300 , ibr as per tender techncial specification , flg , cs , wnrf , a105 , 300 , 14in , xs , nace+hic as per tender techncial specification , fl , wn , rf , a105 , cs , 300 , 10in , xs , nace as per tender techncial specification , spcr&blnd , rf , cs , a105 , 300 , 12in , nace as per tender techncial specification , spcr&blnd , rf , cs , a105 , 300 , 10in , nace as per tender techncial specification , fl , wn , rf , cs , a105 , 300 , 16in , xs , ibr as per tender techncial specification , fl , sw , rf , ss , a182 , f321 , 300 , 3 / 4in , 80s as per tender techncial specification , spcr & blnd , rf , cs , a105 , 150 , 18in as per tender techncial specification , fl , wn , rf , ss , a182 , f304l , 300 , 18in , 12 . 7m , h2 as per tender techncial specification , fl , wn , rf , cs , a105 , 16in , 30 / std , 300 , nace as per tender techncial specification , flsw , rf , as , a182f11 , cl . 2 , 600 , 1 1 / 2 , 80 , h2 as per tender techncial specification , fl , bl , rf , as , a182 , f11 cl2 , 600 , 3 / 4in , h2 as per tender techncial specification , fl . sp . bl . rf cs a350 lf2 3in 300 nace as per tender techncial specification , fl , sw , rf , cs , a350 , lf2 , 300 , 3 / 4in , 160 as per tender techncial specification , fl , bl , astm a182 , gr . f11 , cl2 , 600 , 3 / 4in , h2 as per tender techncial specification , fl , sw , rf , cs , a105 , 300 , 1in , 160 , nace as per tender techncial specification , fl , sw , cs , rf , a105 , 300 , 3 / 4in , 160 , h2+nace as per tender techncial specification , fl , bl , rf , cs , a105 , 150 , 14in as per tender techncial specification , fl , wn , rf , cs , a105 , 150 , 6in , 40 as per tender techncial specification , fl , wn , rf , cs , a105 , 300 , 8in , 40 as per tender techncial specification , fl , wn , rf , cs , a105 , 150 , 6in , 40 , nace as per tender techncial specification , fl , wn , rf , a182 , f316l , 4in , 150 , 10s as per tender techncial specification , fl , wn , rf , cs , a105 , 300 , 12in , std as per tender techncial specification , fl , wn , rf , cs , a105 , 300 , 12in , 40 as per tender techncial specification , fl , sw , rf , ss , a182 , f304l , 1in , 150 as per tender techncial specification , fl , wn , rf , cs , a105 , 300 , 10in , 40 , h2+nace as per tender techncial specification , fl , wn , rf , cs , a105 , 300 , 6 , 40 , nace as per tender techncial specification , flg , wnrf , cs , a105 , cl , 300 , 10in xs nace as per tender techncial specification