Swing Check Valve
Design Features
Trims : 13% Cr Hinge Pin, 13% Cr faced Disc and Co-Cr alloy faced Seat API Trim 8 Suitable for Applications up to 850° F (454° C).
Body and Cover casting are precision Machined.
Disc : One-piece Construction to withstand the severe shock of check valve service. Hard-faced with 13% Cr., Co-Cr alloy, SS 316 or Monel, Ground and lapped with seat.
Disc Assembly : Non-rotating disc is fastened securely to disc hanger with a lock nut and cotter pin. Disc hanger is supported on a sturdy disc carrier hinge pin of excellent bearing qualities. All parts accessible from the top for easy servicing.
Body and bonnet joint accurately machined. Spiral wound Gasket with different grade of material which can withstand high temperatures and pressures, preventing leaks throughout their intended life span.
Flanges : Finish 125-250 AARH for all Valves.
• ASME Classes 150-300 : 2 mm raised face
• ASME Classes 600-up : 7 mm Raised faced
RTJ available on client requirement
| Part | Material | ||
|---|---|---|---|
| Body | WCB | CF8 | CF8M |
| Cover | WCB | CF8 | CF8M |
| Hinge Pin | SS 410 | SS 304 | SS 316 |
| Disc | CA15 or 13% Cr faced | CF8 | CF8M |
| Seat | 13% CR. OR STL. Faced | Co-Cr Alloy Faced CF8 | Co-Cr Alloy Faced CF8M |
| Gasket | Class 150 : Corrugated Steel / Graphite Class 300 – 1500 : Spiral Wound Stainless Steel/ Graphite |
||
| Body/Cover Nut | Gr.2H | Gr.8 | Gr.8M |
| Body/Cover Stud | Gr.B7 | Gr.B8 | B8M |
| Name Plate | Stainless Steel | ||
| Item | Applicable STD |
|---|---|
| Design Standard | BS 1868 |
| Face-to-Face Dimensions | ASME B16.10 |
| Testing Standard | API 598 / BS 6755 |
| Flange Design | ASME B16.5 / DIN |
| Butt Welding Design | ASME B16.25 |
| Materials | ASTM |
| Pressure-Temperature Rating | ASME B16.34 |
Swing Check Valve Dimensions
| Size | 2” | 2 ½” | 3” | 4” | 5” | 6” | 8” | 10” | 12” | 14” | 16” | 18” | 20” | 24” |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| L | 203.0 | 216.0 | 241.0 | 292.0 | 330.0 | 356.0 | 495.0 | 622.0 | 698.0 | 787.0 | 864.0 | 978.0 | 978.0 | 1295.0 |
| ØD | 150.0 | 180.0 | 190.0 | 230.0 | 255.0 | 280.0 | 345.0 | 405.0 | 485.0 | 535.0 | 595.0 | 635.0 | 700.0 | 815.0 |
| THK | 17.5 | 20.7 | 22.3 | 22.3 | 22.3 | 23.9 | 27.0 | 28.6 | 30.2 | 33.4 | 35.0 | 38.1 | 41.3 | 46.1 |
| RFD | 92.0 | 105.0 | 127.0 | 157.0 | 186.0 | 216.0 | 270.0 | 324.0 | 381.0 | 413.0 | 470.0 | 533.0 | 584.0 | 692.0 |
| PCD | 120.7 | 139.7 | 152.4 | 190.5 | 215.9 | 241.3 | 298.5 | 362.0 | 431.8 | 476.3 | 539.8 | 577.9 | 635.0 | 749.3 |
| Ød | 19.05 | 19.05 | 19.05 | 19.05 | 22.23 | 22.23 | 22.23 | 25.40 | 25.40 | 28.58 | 28.58 | 31.75 | 31.75 | 34.93 |
| N | 4 | 4 | 4 | 8 | 8 | 8 | 8 | 12 | 12 | 12 | 16 | 16 | 20 | 20 |
| Size | 2” | 2 ½” | 3” | 4” | 6” | 8” | 10” | 12” | 14” | 16” | 18” | 20” | 24” |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| L | 267.0 | 292.0 | 317.0 | 356.0 | 445.0 | 533.0 | 622.0 | 711.0 | 838.0 | 864.0 | 978.0 | 1016.0 | 1346.0 |
| ØD | 165.0 | 190.0 | 210.0 | 255.0 | 320.0 | 380.0 | 445.0 | 520.0 | 585.0 | 650.0 | 710.0 | 775.0 | 915.0 |
| THK | 20.7 | 23.9 | 27.0 | 30.2 | 35.0 | 39.7 | 46.1 | 49.3 | 52.4 | 55.6 | 58.8 | 62.0 | 68.3 |
| RFD | 92.0 | 105.0 | 127.0 | 157.0 | 216.0 | 270.0 | 324.0 | 381.0 | 413.0 | 470.0 | 533.0 | 584.0 | 692.0 |
| PCD | 127.0 | 149.2 | 168.3 | 200.0 | 269.9 | 330.2 | 387.4 | 450.8 | 514.4 | 571.5 | 628.6 | 685.8 | 812.8 |
| Ød | 19.05 | 22.22 | 22.22 | 22.22 | 22.22 | 25.40 | 28.57 | 31.75 | 31.75 | 34.93 | 34.93 | 34.93 | 41.28 |
| N | 8 | 8 | 8 | 8 | 12 | 12 | 16 | 16 | 20 | 20 | 24 | 24 | 24 |
| Size | 2” | 2 ½” | 3” | 4” | 6” | 8” | 10” | 12” | 14” | 16” | 18” | 20” | 24” |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| L | 292.0 | 330.0 | 356.0 | 432.0 | 559.0 | 660.0 | 787.0 | 838.0 | 889.0 | 990.0 | 1092.0 | 1194.0 | 1397.0 |
| ØD | 165.0 | 190.0 | 210.0 | 275.0 | 355.0 | 420.0 | 510.0 | 560.0 | 605.0 | 685.0 | 745.0 | 815.0 | 940.0 |
| THK | 25.4 | 28.6 | 31.8 | 38.1 | 47.7 | 55.6 | 63.5 | 66.7 | 69.9 | 76.2 | 82.6 | 88.9 | 101.6 |
| RFD | 92.0 | 105.0 | 127.0 | 157.0 | 216.0 | 270.0 | 324.0 | 381.0 | 413.0 | 470.0 | 533.0 | 584.0 | 692.0 |
| PCD | 127.0 | 149.2 | 168.3 | 215.9 | 292.1 | 349.2 | 431.8 | 489.0 | 527.0 | 603.2 | 654.0 | 723.9 | 838.2 |
| Ød | 19.05 | 22.22 | 22.22 | 25.40 | 28.57 | 31.75 | 34.92 | 34.92 | 38.10 | 41.28 | 44.45 | 44.45 | 50.80 |
| N | 8 | 8 | 8 | 8 | 12 | 12 | 16 | 20 | 20 | 20 | 20 | 24 | 24 |
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