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API 598 API 602 Forged Steel Valve Welded bonnet Check Valve B1.20.1 B16.11 B16.25
Forged Stainless Steel Check Valve - Threaded
Forged Steel Check Valves: API 602, Swing, Lift Check, Bolted Bonnet, Pressure Seal, Bolted Cover, Socket Welded Ends, Class 150 - 2500, 1/2 - 2 Inch
• Forged Stainless Steel Check Valve
• Class 800
• ASTM A182/316L
• Maximum Pressure 1975 PSI
• Maximum Temperature 850
• Bolted Bonnet
• API 602 / API 598
• NACE MR0175
• Sizes 1/2” -2”
Material Specifications
| No. | Part | Material Carbon | Material Stainless |
|---|---|---|---|
| 1 | Body | A105 | F316L |
| 2 | Seat | INT | INT |
| 3 | Disc | 420 | F316L |
| 4 | Spring | SS304 | SS316 |
| 5 | Gasket | SS304 Flexible Graphite | SS16 Flexible Graphite |
| 6 | Cover | A105 | F316L |
| 7 | Name Plate | AL | AL |
| 8 | Bolt | B7 | B8M |
Dimensions
| Part # Carbon | Part # Stainless | Size - NPT | L | d |
|---|---|---|---|---|
| 522FCT01 | - | 1/4” | 3.11 | 0.24 |
| 522FCT02 | - | 3/8” | 3.11 | 0.32 |
| 522FCT03 | 522FSST03 | 1/2” | 3.11 | 0.39 |
| 522FCT04 | 522FSST04 | 3/4” | 3.62 | 0.51 |
| 522FCT05 | 522FSST05 | 1” | 4.37 | 0.69 |
| 522FCT06 | 522FSST06 | 1-1/2” | 4.73 | 0.91 |
| 522FCT07 | 522FSST07 | 1-1/4” | 4.73 | 1.10 |
| 522FCT08 | 522FSST08 | 2” | 5.52 | 1.38 |