Tengs Valve International Limited
Tengs Valve International Limited Cast Steel, Forged Steel, Industrial Valves And Strainers
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SS316 Cast Steel Flanged Swing Check Valves A351 CF8M 2in 150LB Metal Seat Full Bore
Quick Details:
1. Type: SS316 CF8M Swing Check Valve
2. Bonnet Type: Bolted Bonnet
3. Disc Type: Swing Disc
4. Size Range: 2in
5. Pressure Ratings: ANSI 150LB
6. End Connections: Flanged (RF, FF)
7. Materials: Cast Stainless Steel A351 CF8M
8. Various trim materials available to suit service conditions
9. NACE MR 0175
Features:
1. Generally
Bolted Bonnet; Swing and Lift Disc; Metallic Seating Surfaces
2. Body and Bonnet Connection
Class150 〜Class900 check valves are usually bolted bonnet
3. Cover Gasket Style
Stainless steel + flexible graphite wounded gasket is used for Class150
4. Seat
For Stainless steel check valve, integrai seat is usually adopted, or it can be machined integrally after hard alloy welded. The threaded or welded type seat is also optional for stain less steel check valve if being requested by the customer.
Standards
Design and manufacture: Cast steel check valve according to BS 1868, ASME B16.34 and API 6D;
Forged stee! check valve according to API 602.
Inspection and test: API 598 or API 6D.
End flange dimension: ASME B16.5 (for NPS≤24),ASME B16.47 series B,
API 605 or ASME B16.47 series A,MSS SP-44 (for NPS > 24).
BW end dimension: ASME B16.25.
Socket-weld dimension: ASME B16.11.
Face to face and end to end: ASME
Pressure-temperature ratings: ASME B16.34.
Shell wall thickness: API 600 and BS 1868.
Descriptions:
1. Swing Check Valve Parts and Material List:
| Parts No. | Parts Name | Materials | |
| CF8/304 | CF8M/316 | ||
| 1 | Body | ASTM A351 CF8 | ASTM A351 CF8M |
| 2 | Seat ring | ASTM A351 CF8 | ASTM A351 CF8M |
| 3 | Disc | ASTM A351 CF8 | ASTM A351 CF8M |
| 4 | Arm | ASTM A351 CF8 | ASTM A351 CF8M |
| 5 | Nut | ASTM A194 8 | ASTM A194 8M |
| 6 | Arm pin | ASTM A182 F304 | ASTM A182 F316 |
| 7 | Yoke | ASTM A351 CF8 | ASTM A351 CF8M |
| 8 | Bonnet nut | ASTM A1948 | ASTM A194 8M |
| 9 | Bon net bolt | ASTM A193 B8 | ASTM A193 B8M |
| 10 | Bolt | ASTM A193 B8 | ASTM A193 B8M |
| 11 | Gasket | 304SS +Graphite | 316SS +Graphite |
| 12 | Bonnet | ASTM A351 CF8 | ASTM A351 CF8M |
| 13 | Eye bolt | ASTM A181 | ASTM A181 |
3. Main Dimensions for Class 150LB Swing Check Valve:
| Class | Size | Dimensions(mm) | ||||||||||
| NPS | DN | L | B | D | G | f | K | Z-①d | C | A | ||
| RF | BW | |||||||||||
| 150Lb | 2 | 50 | 203 | 203 | 49 | 152 | 91.9 | 1.6 | 120.7 | 4-19.1 | 15.8 | 63 |
| 2 1/2 | 65 | 216 | 216 | 62 | 178 | 104.6 | 1.6 | 139.7 | 4-19.1 | 17.5 | 75 | |
| 3 | 80 | 241 | 241 | 74 | 191 | 127 | 1.6 | 152.4 | 4-19.1 | 19.1 | 91 | |
| 4 | 100 | 292 | 292 | 100 | 229 | 157.2 | 1.6 | 190.5 | 8-19.1 | 23.9 | 117 | |
| 6 | 150 | 356 | 356 | 150 | 279 | 215.9 | 1.6 | 241.3 | 8-22.2 | 25.4 | 172 | |
| 8 | 200 | 495 | 495 | 201 | 343 | 269.7 | 1.6 | 298.5 | 8-22.2 | 28.4 | 223 | |
| 10 | 250 | 622 | 622 | 252 | 406 | 323.9 | 1.6 | 362 | 12-25.4 | 30.2 | 278 | |
| 12 | 300 | 699 | 699 | 303 | 483 | 381 | 1.6 | 431.8 | 12-25.4 | 31.8 | 329 | |
| 14 | 350 | 787 | 787 | 334 | 533 | 412.8 | 1.6 | 476.2 | 12-28.6 | 35.1 | 362 | |
| 16 | 400 | 864 | 864 | 385 | 597 | 469.9 | 1.6 | 539.8 | 16-28.6 | 36.6 | 413 | |
| 18 | 450 | 978 | 978 | 436 | 635 | 533.4 | 1.6 | 577.9 | 16-31.8 | 39.6 | 464 | |
| 20 | 500 | 978 | 978 | 487 | 699 | 584.2 | 1.6 | 635 | 20-31.8 | 42.9 | 516 | |
| 24 | 600 | 1295 | 1295 | 589 | 813 | 692.2 | 1.6 | 749.3 | 20-34.9 | 47.8 | 619 | |
| 26 | 650 | 1295 | 1295 | 633 | 870 | 749.3 | 1.6 | 806.5 | 24-34.9 | 68.3 | 670 | |
| 28 | 700 | 1448 | 1448 | 684 | 927 | 800.1 | 1.6 | 863.6 | 28-34.9 | 71.4 | 721 | |
| 30 | 750 | 1524 | 1524 | 735 | 984 | 857.3 | 1.6 | 914.4 | 28-34.9 | 74.7 | 772 | |
| 36 | 900 | 1965 | 1965 | 874 | 1168 | 1022.4 | 1.6 | 1085.9 | 32-41.3 | 90.4 | 927 | |