| 10 | | ELBOW-CS,SA 234 WPB 90DEG-SR,25MM,SCH80S | 1,150 | NO | Brenden Palani Thangam 600103,NTPC Tamilnadu Energy Company Ltd.Vallur Thermal Power Project, PO Vellivoyal Chavadi, Ponneri Taluk, Thiruvallur District, Chennai 600103 | 84 |
| 20 | | ELBOW-CS,SA 234 WPB 90DEG-SR,50MM,SCH80S | 990 | NO | Brenden Palani Thangam 600103,NTPC Tamilnadu Energy Company Ltd.Vallur Thermal Power Project, PO Vellivoyal Chavadi, Ponneri Taluk, Thiruvallur District, Chennai 600103 | 84 |
| 30 | | ELBOW-CS,SA 234 WPB 90DEG-SR,65MM,SCH80S | 260 | NO | Brenden Palani Thangam 600103,NTPC Tamilnadu Energy Company Ltd.Vallur Thermal Power Project, PO Vellivoyal Chavadi, Ponneri Taluk, Thiruvallur District, Chennai 600103 | 84 |
| 40 | | ELBOW-CS,SA 234 WPB 90DEG-SR,80MM,SCH80S | 250 | NO | Brenden Palani Thangam 600103,NTPC Tamilnadu Energy Company Ltd.Vallur Thermal Power Project, PO Vellivoyal Chavadi, Ponneri Taluk, Thiruvallur District, Chennai 600103 | 84 |
| 50 | | ELBOW-CS,SA 234 WPB 90DEGLR,100MM,SCH80S | 490 | NO | Brenden Palani Thangam 600103,NTPC Tamilnadu Energy Company Ltd.Vallur Thermal Power Project, PO Vellivoyal Chavadi, Ponneri Taluk, Thiruvallur District, Chennai 600103 | 84 |
| 60 | | FLANGE-S,SLIP-ON,ASA B16.5,CL300 A105,4 inch | 240 | NO | Brenden Palani Thangam 600103,NTPC Tamilnadu Energy Company Ltd.Vallur Thermal Power Project, PO Vellivoyal Chavadi, Ponneri Taluk, Thiruvallur District, Chennai 600103 | 84 |
| 70 | | FLANGE-S,SLIP-ON,ASA B16.5,CL300 A105,6 inch | 270 | NO | Brenden Palani Thangam 600103,NTPC Tamilnadu Energy Company Ltd.Vallur Thermal Power Project, PO Vellivoyal Chavadi, Ponneri Taluk, Thiruvallur District, Chennai 600103 | 84 |
| 80 | | FLANGE-S,SLIP-ON,ASA B16.5,CL300 A105,8 inch | 140 | NO | Brenden Palani Thangam 600103,NTPC Tamilnadu Energy Company Ltd.Vallur Thermal Power Project, PO Vellivoyal Chavadi, Ponneri Taluk, Thiruvallur District, Chennai 600103 | 84 |
| 90 | | TEE-CS,BW,B16.11/A234 WPB,SCH 40,50MM | 270 | NO | Brenden Palani Thangam 600103,NTPC Tamilnadu Energy Company Ltd.Vallur Thermal Power Project, PO Vellivoyal Chavadi, Ponneri Taluk, Thiruvallur District, Chennai 600103 | 84 |
| 100 | | TEE-SW,B16.11/A105 90DEG.,MEDIUM,25MM | 490 | NO | Brenden Palani Thangam 600103,NTPC Tamilnadu Energy Company Ltd.Vallur Thermal Power Project, PO Vellivoyal Chavadi, Ponneri Taluk, Thiruvallur District, Chennai 600103 | 84 |