"SIR" Dual Plate Check Valve - (API)
Product Materials
| PT No. | PART NAME | MATERIAL |
| 01 | BODY | C.I / D.I / S.S / WCB |
| 02 | SEAT | EPDM |
| 03 | Plates | D.I / S.S |
| 04 | Shaft | ASTM A 276, Gr SS410 |
| 05 | Spring | AISI 302 |
| 06 | O-Ring | NITRILE / EPDM |
| 07 | Plug | M.S (Chrome Plated) |
| 08 | Fastener | STAINLESS STEEL |
Product Size/Dimensions
| SIZE | 50 | 65 | 80 | 100 | 125 | 150 | 200 | 250 | 300 |
| ØD | 62.5 | 74 | 91 | 116 | 145 | 169.5 | 220 | 273 | 324 |
| Ød | 95 | 110 | 130 | 160 | 188 | 212 | 280 | 340 | 410 |
| H | 54 | 54 | 57 | 64 | 70 | 76 | 95 | 108 | 143 |