Extraction check valve
Extraction check valve
Model: H664Y
Nominal diameter: DN50 ~ 1000mm
Nominal pressure: PN1.0 ~ 10.0MPa
Operating temperature: ≤550 ℃
Main material: WCB, WC6, WC9
Design Standard: API 6D , BS 1868, GB / T 12235, GB / T 12236, JB / T 8937
Structure length: ASME B16.10, API 6D, GB / T 12221
Connection standards: ASME B16.5, ASME B16.47, ASME B16.25 , GB / T 9113, JB / T 79, HG / T 20592
Pressure test: API 598, API 6D, GB / T 13927, GB / T 26480
Pressure and temperature levels: ASME B16.34, GB / T 12224
Nominal diameter: DN50 ~ 1000mm
Nominal pressure: PN1.0 ~ 10.0MPa
Operating temperature: ≤550 ℃
Main material: WCB, WC6, WC9
Design Standard: API 6D , BS 1868, GB / T 12235, GB / T 12236, JB / T 8937
Structure length: ASME B16.10, API 6D, GB / T 12221
Connection standards: ASME B16.5, ASME B16.47, ASME B16.25 , GB / T 9113, JB / T 79, HG / T 20592
Pressure test: API 598, API 6D, GB / T 13927, GB / T 26480
Pressure and temperature levels: ASME B16.34, GB / T 12224
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1, H664Y extraction check valve product overview
The extraction check valve is mainly used for steam turbine power plant steam extraction system to prevent the media or water back to the turbine pumps and other important facilities play a protective role, the performance requirements for the pipeline medium Back flow, power outages, accidents and other abnormal state, the valve instantly shut down, close time is less than 0.5 seconds.
2, H664Y pumping check valve performance specifications
1, the nominal pressure:
| Nominal pressure | 1.0 ~ 2.5 | 4.0 ~ 6.4 | 10.0 |
| Nominal diameter | 50 ~ 1000 | 50 ~ 400 | 80 ~ 350 |
2, the medium: water, steam, air, oil
3, the working temperature:
| The main material | WCB | WC6 | WC9 |
| Operating temperature | ≤425 ℃ | ≤540 ℃ | ≤550 ℃ |
3, H664Y suction check valve main dimensions
| H664H-10 | ||||||||||
| DN | L | D | D1 | D2 | H | H1 | H2 | H3 | L1 | W (kg) |
| 450 | 740 | 428 | 476 | 630 | 990 | 425 | 510 | 755 | 486 | 620 |
| 500 | 790 | 468 | 520 | 658 | 990 | 470 | 545 | 852 | 554 | 759 |
| 700 | 1040 | 682 | 747 | 845 | 990 | 560 | 625 | 1240 | 820 | 1258 |
| 800 | 1295 | 780 | 842 | 995 | 1257 | 650 | 645 | 1348.3 | 928 | 1788 |
| 1000 | 1600 | 1110 | 1150 | 1230 | 1700 | 850 | 745 | 1840 | 1040 | 4800 |
| H664H-16 | ||||||||
| DN | L | D | D1 | D2 | H | H1 | H2 | W (kg) |
| 200 | 526 | 195 | 239 | 410 | 815 | 325 | 390 | 236 |
| 300 | 610 | 300 | 354 | 494 | 845 | 350 | 445 | 376 |
| 400 | 838 | 380 | 436 | 600 | 1142 | 450 | 490 | 674 |
| H664H-25 | ||||||||
| DN | L | D | D1 | D2 | H | H1 | H2 | W (kg) |
| 250 | 680 | 250 | 302 | 475 | 904 | 380 | 440 | 385 |
| 500 | 1020 | 480 | 584 | 820 | 1240 | 580 | 560 | 1537 |
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Power station check valve
| ADD: ROOM 202 BUILDING 16 YINGYUAN 13 LANE, JIADING DISTRICT, SHANGHAI 201800, CHINA. Tel: 0086-21-51738965 Fax: 0086-21-51738965 Cell: 0086-15021213021 Skype: peter.zhou2008 Email: sales@gaotaivalve.com ICP11042978-1 Technical support: Fengsheng Technology ADD: ROOM 202 BUILDING 16 YINGYUAN 13 LANE, JIADING DISTRICT, SHANGHAI 201800, CHINA. Tel: 0086-21-51738965 Fax: 0086-21-51738965 Cell: 0086-15021213021 Skype: peter.zhou2008 Email: sales@gaotaivalve.com ICP11042978-1 Technical support: Fengsheng Technology | 
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