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API, JIS swing check valve H44H
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Product details
Introduction to API and JIS swing check valve H44H
API and JIS swing check valve H44H is suitable for pipelines in various working conditions such as petroleum, chemical, pharmaceutical, fertilizer, and power industries with a pressure of 1.6~25MPa and a working temperature of -29~+550 ℃. It is suitable for media such as water, oil, steam, and acidic media.
Features of API and JIS swing check valve H44H
API and JIS swing check valve H44H is an automatic valve that automatically opens and closes by the force generated by the flow of the medium itself in the pipeline. Check valves are used in pipeline systems to prevent reverse flow of media, reverse rotation of pumps and their drive motors, and release of media from containers. Check valves can also be used on pipelines to supply auxiliary systems where the pressure may rise above the main system pressure.
Performance parameters of API and JIS swing check valve H44H
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model
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H44H-16C~250
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H44W-16P~250
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Work pressure (MPa)
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1.6~25
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Applicable temperature (℃)
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≤425
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≤550
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Applicable Medium
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Water, steam, oil products
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Weakly corrosive medium
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material
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Valve body, valve cover, valve disc
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carbon steel
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Chromium nickel titanium stainless steel
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Sealing surface
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Carbon steel surfacing iron-based alloy
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Body sealing
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[API, JIS swing check valve H44H external dimensions]
| Nominal diameter DN | Main external dimensions and connection dimensions | ||||||
| L | D | D1 | D2 | b | Z-d | H | |
| H44H-16C H44W-16C H44W-16P H44W-16R H44W-16I | |||||||
| 25 | 160 | 115 | 85 | 65 | 16 | 4-14 | 100 |
| 32 | 180 | 135 | 100 | 78 | 16 | 4-18 | 105 |
| 40 | 200 | 145 | 100 | 85 | 16 | 4-18 | 115 |
| 50 | 230 | 160 | 125 | 100 | 16 | 4-18 | 135 |
| 65 | 290 | 180 | 145 | 120 | 18 | 4-18 | 142 |
| 80 | 310 | 195 | 160 | 135 | 20 | 8-18 | 165 |
| 100 | 350 | 215 | 180 | 155 | 20 | 8-18 | 180 |
| 125 | 400 | 245 | 210 | 185 | 22 | 8-18 | 210 |
| 150 | 480 | 280 | 240 | 210 | 24 | 8-23 | 233 |
| 200 | 500 | 335 | 295 | 265 | 26 | 12-23 | 304 |
| 250 | 550 | 405 | 355 | 320 | 30 | 12-25 | 348 |
| 300 | 650 | 460 | 410 | 375 | 30 | 12-25 | 390 |
| 350 | 750 | 520 | 470 | 435 | 34 | 16-25 | 430 |
| 400 | 850 | 580 | 525 | 485 | 36 | 16-30 | 468 |
Structural diagram of API and JIS swing check valve H44H
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