Dual Plate Check Valve
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INTRODUCTION
Engineers Combine is promoted by a professional having more than two decades of experience in the process Equipment and Process valves, having dealt with various consultants of reputed and associated with various industries in the country and abroad. Our valves are being manufactured as per national / international Standards to meet the requirements of Oil & Gas, pharmaceuticals, petrochemicals, sea water and process industries.
FLANGED
LUG TYPE
WAFER TYPE
| STANDARDS | |
|---|---|
| Design Std. | API 6D / API 594 |
| Testing Standard | API 6D / API 598 |
| Flange End Standard | ASME B16.5 FOR NPS 2-24 (DN 50-600), ASME B 16.47 Series A for NPS 26 (DN-650) and larger, ASME B16.47 Series B available upon request |
| Face to Face Standard | APl6D/ASMEB16.10 |
| Material | ASTM Standards |
The table table show below provides details of the materials as per the specific condition of the service.
- Carbon steel for general purpose.
- Stainless steel for corrosive.
- Alloy steel for low temp. / high temp. service.
- Alloy 20, Hastelloy, Monel for highly corrosive or abrasive application.
| MATERIAL OF CONSTRUCTION | ||||
|---|---|---|---|---|
| P. NO. | PART’S NAME | Cast Steel | SS 304 | SS 316 |
| 1 | Body | ASTM A216 Gr. WCB | ASTM A351 Gr. CF8 | ASTM A351 Gr. CF8M |
| 2 | Closure Plate | CA-15 / CF8 / CF8M | CF8 | CF8M |
| 3 | Seat | 13%CR / SS304 / SS316 / EPDM / Nitrile | SS304 / EPDM / Nitrile | SS316 / EPDM / Nitrile |
| 4 | Spring | AISI 304 / AISI 316 / lnconel | AISI 304 / AISI 316 / lnconel | AISI 304 / AISI 316 / lnconel |
| 5 | Hinge Pin | AISI 410 / AISI 304 / AISI 316 | AISI 304 | AISI 316 |
| 6 | Stop Pin | AISI 410 / AISI 304 / AISI 316 | AISI 304 | AISI 316 |
| 7 | Plate Lug Bearing | AISI 410/ AISI 304/ AISI 316 | AISI 304 | AISI 316 |
| 8 | Body Lug Bearing | AISI 410/ AISI 304/ AISI 316 | AISI 304 | AISI 316 |
| 9 | Seals | PTFE | PTFE | PTFE |
| 10 | Plugs | Carbon Steel/ 304 / 316 | 304 | 316 |
Dual Plate Check Valve : Flanged End
| STANDARDS | |
|---|---|
| Design Std. | API 6D / API 594 |
| Wall Thickness | API 594, 150# |
| Face to Face | API 6D/ASME B16.10, 150# |
| End Connection | Flanged as per ASME B16.5, 150# |
| Testing | APi 6D / API 598 |
| DIMENSIONS FOR DUAL PLATE CHECK VALVE FLANGED END | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Size (mm) | Rating | L | 0A | 0B | 0D | 0E | G | J | K0 | H | Tag No. | Qty. | ||
| 50 | 150# | 60 | 51 | 65 | 150 | 92 | 16.3 | 04 | 19 | 120.7 | – | – | ||
| 300# | 60 | 51 | 65 | 165 | 92 | 22.7 | 08 | 19 | 127 | – | – | |||
| 65 | 150# | 67 | 65 | 76 | 180 | 105 | 17.9 | 04 | 19 | 139.7 | – | – | ||
| 300# | 67 | 65 | 76 | 190 | 105 | 25.9 | 08 | 22.2 | 149.2 | – | – | |||
| 80 | 150# | 73 | 80 | 92 | 190 | 127 | 19.5 | 04 | 19 | 152.4 | – | – | ||
| 300# | 73 | 80 | 92 | 210 | 127 | 29.0 | 08 | 22.2 | 168.3 | – | – | |||
| 100 | 150# | 73 | 100 | 113 | 230 | 157 | 24.3 | 08 | 19 | 190.5 | – | – | ||
| 300# | 73 | 100 | 113 | 255 | 157 | 32.2 | 08 | 22.2 | 200.0 | – | – | |||
| 150 | 150# | 98.5 | 152 | 163 | 280 | 216 | 25.9 | 08 | 22 | 241.3 | – | – | ||
| 300# | 98.5 | 152 | 163 | 320 | 216 | 37 | 12 | 22.2 | 269.9 | – | – | |||
| 200 | 150# | 127 | 203 | 204 | 345 | 270 | 29 | 08 | 22 | 295.5 | – | – | ||
| 300# | 127 | 203 | 204 | 380 | 270 | 41.7 | 12 | 25.4 | 330.2 | – | – | |||
| 250 | 150# | 146 | 254 | 262 | 405 | 324 | 30.6 | 12 | 25.4 | 362 | – | – | ||
| 300# | 146 | 254 | 262 | 445 | 324 | 48.1 | 16 | 28.57 | 387.4 | – | – | |||
| 300 | 150# | 181 | 305 | 315 | 485 | 381 | 32.2 | 12 | 25.4 | 431.8 | – | – | ||
| 300# | 181 | 305 | 315 | 520 | 381 | 51.3 | 16 | 31.75 | 450.8 | – | – | |||
| 350 | 150# | 184 | 350 | 363 | 535 | 412.8 | 35.4 | 12 | 28 | 476.3 | – | – | ||
| 300# | 222 | 350 | 363 | 585 | 412.8 | 54.4 | 20 | 31.75 | 514.4 | – | – | |||
| 400 | 150# | 191 | 400 | 407 | 595 | 469.9 | 37 | 16 | 28 | 539.8 | – | – | ||
| 300# | 232 | 400 | 407 | 650 | 469.9 | 57.6 | 20 | 34.92 | 571.5 | – | – | |||
| 450 | 150# | 203 | 450 | 465 | 635 | 533.4 | 40.1 | 16 | 32 | 577.9 | – | – | ||
| 300# | 264 | 450 | 465 | 710 | 533.4 | 60.8 | 24 | 34.92 | 628.5 | – | – | |||
| 500 | 150# | 219 | 500 | 510 | 700 | 584.2 | 43.3 | 20 | 32 | 635 | – | – | ||
| 300# | 292 | 500 | 510 | 775 | 584.2 | 64.0 | 24 | 34.92 | 685.8 | – | – | |||
| 600 | 150# | 222 | 600 | 610 | 815 | 692.2 | 48.1 | 20 | 34 | 749.3 | – | – | ||
| 300# | 318 | 600 | 610 | 915 | 692.2 | 70.3 | 24 | 41.27 | 812.8 | – | – | |||
Note: Weights and dimensions are for reference only.