API 6D Long Pattern Dual Plate Check Valve
Technical Data
- Design : API 6D-ISO 14313/ API 594
- Pressure Temperature Rating : ASME B 16.34
- Face To Face/ End To End : API 6D
- End Connection Dimensions : Wafer to suit PN 20 (ASME 150 Class),PN 50 (ASME 300 Class),PN 100 (ASME 600 Class)
- Inspection and Testing Std : ISO 5208/ API 598/ BS 6755 PART 1
| Part Name | Material |
| Body | GG 25/ GGG 40/ A 126 WCB/ A 351 CF 8/ CF 8M |
| Closure | A 217 CA 15/ A 351 CF 8/ CF 8M/ B 62 (85/5/5/5) |
| Stop Pin | AISI 304/ AISI 316 |
| Hing Pin | AISI 304/ AISI 316 |
| Spring | Stainless Steel 316 |
| Retainer | Stainless Steel 316 |
| Seat | EPDM |
| Plate Lug Bearing | SS 304/ Brass |
| Spring Bearing | SS 304 |
| Sleeve | Nitrile Rubber / EPDM |