API standard Cast steel Check Valve
Design description:
Straight pattern body design, Bolted Bonnet or Pressure seal bonnet, renewable Seat Ring,
Horizontal or Vertical Service, Swing type, Anti-rotation disc
Ends: Flange or Butt Welding
Body material: WCB, LCB, CF8, CF8M, CF3, CF3M, WC6, WC9, C5, C12 or Equivalent, Available also in low temperature steels, low alloy steels, stainless steels, duplex type stainless steels and other exotic materials; Various trim materials available to suit service conditions
Trim material: 1#,5#, 8# etc.
Pressure Rating:Class 150,Class 300,Class 600,Class 900,Class 1500
Size range: 2" to 48"
Applicable standards:
Design standard: BS1868/API6D
Face to face: ASTM/ANSI B16.10
Flange ends: ANSI B16.5
BW ends: ANSI B16.25
Inspection and test: API 598/API6D
Pressure-Temp: ASTM/ANSI B16.34
| Item | Part name | Material | ||
| 1 | Body | A216-WCB | A352-LCB | |
| 2 | Cover | A216-WCB | A352-LCB | |
| 3 | Disc | A105-CR13 | A350-LF2+CR13 | |
| 4 | Hinge | A216-WCB | A352-LCB | |
| 5 | Fork Part | A216-WCB | A352-LCB | |
| 6 | Seat Ring | A105+CR13 | A350-LF2+CR13 | |
| 7 | Hinge Pin | A276-420 | A276-420 | |
| 8 | Disc Washer | Carbon Steel | Carbon Steel | |
| 9 | Disc Nut | Carbon Steel | Carbon Steel | |
| 10 | Disc Nut Pin | Carbon Steel | Carbon Steel | |
| 11 | Gasket | SS304+Graphite | ||
| 12 | Stud | A193-B7 | A320-L7 | |
| 13 | Stud Nut | A194-2H | A194-4 | |
| 14 | Eyebolt | Carbon Steel | Carbon Steel | |
