Dual Plate
Check Valves
Size 2 to 24 | Class 150 to 900
Design Features
Retainer less design is supplied as standard
To suit ANSI B16.5 flanges, NPS 2-24 DN 50-600
| DESIGN SPECIFICATIONS | |
|---|---|
| ITEM | APPLICABLE STD |
| Design Standard | API 594 API 6D |
| Face-to-Face Dimensions | API 594 API 6D |
| Testing Standard | API 598 |
| Flange Design | ASME B16.5 DIN |
| Materials | ASTM |
| Pressure-Temperature Rating | ASME B16.34 |
| STANDARD MATERIALS | ||||||
|---|---|---|---|---|---|---|
| PART | MATERIAL | |||||
| Body | WCB | CF8 | CF8M | |||
| Closure Plate | WCB | SS 304 | SS 316 | CF8 | CF8M | |
| Seat Ring | PTFE Metal To Metal | |||||
| Spring | SS 202 | SS 304 | SS 316 | SS 304 | SS 316 | SS 316 |
| Hinge Pin | AISI 410 | SS 304 | SS 316 | SS 304 | SS 316 | SS 316 |