API 594 Standard Dual Plate Double Flanged Wafer Check Valve For WOG
Advantages of Dual Plate Check Valve Design
- Dual plate design minimizes valve cracking pressure and reduces valve pressure drop.
- Spring loading on plats assists valve closing to ensure tight seal and minimize slamming
- Pin retaining plugs fitted with graphite gaskets for fire safe and leak-free seal.
- Metal-to-metal seating as standard
- Resilient seat materials available upon request.
Double Flange design
Double flanged design. Permits installation in a piping system in same manner as any conventional double flanged valve, ie studs and nuts per flange
Manufacture Standards
| Design |
API594 |
| Body wall thickness |
API594 |
| Face to face |
API594 |
| Testing |
API598 |
| Flange end |
ASME B 16.5/B16.47/MSS SP-44 |
Trim Configuration
| API 594 Trim No. |
| Parts Name |
1 |
2 |
5 |
10 |
13 |
15 |
| Body Seating |
13CR |
304 |
Stellite |
316 |
Ally20 |
Bronze |
| Plate |
CA15 |
CF8 |
Stellite |
CF8M |
CM7M |
B62 |
| Hinge Pin |
13Cr |
304 |
Stellite |
316 |
Ally20 |
B62 |
| Stop Pin |
13Cr |
304 |
Stellite |
316 |
Ally20 |
B62 |
| Spring Retainer |
13Cr |
304 |
Stellite |
316 |
Ally20 |
B62 |
