Description
DKV H44Y/H Swing Check Valve
The DKV H44Y/H Swing Check Valve is designed for efficient backflow prevention in industrial pipelines. Its disc swings freely to allow flow in one direction and closes automatically to prevent reverse flow, protecting pumps, compressors, and other equipment from water hammer.
Constructed from high-quality materials, this valve offers excellent corrosion resistance, durability, and reliable sealing. It can be installed horizontally or vertically, making it suitable for a wide range of applications in water supply, HVAC, chemical, and industrial systems.
Key Features:
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Swing-type disc for reliable backflow prevention
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Durable, corrosion-resistant construction
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Horizontal or vertical installation flexibility
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Reduces water hammer and protects pipeline equipment
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Suitable for water, oil, gas, and industrial fluids
Performance Specifications
| Type | Nominal Pressure (MPa) |
Test pressure | Working Temperature℃ | Suitable Mediums | |
| Strength(water) (MPa) | Sealed(water)(MPa) | ||||
| H44Y/H-16C | 1.6 | 2.4 | 1.6 | ≤425 | Water,steam,oil |
| H44Y/H-25 | 2.5 | 3.8 | 2.5 | ||
| H44Y/H-40 | 4.0 | 6.15 | 4.0 | ||
| H44Y/H-64 | 6.4 | 9.75 | 6.4 | ||
| H44Y/H-100 | 10.0 | 14.4 | 10.0 | ||
Outline and Connecting Measurememt
| DN | NPS | PN16~PN40 | PN16 | ||
| L | ΦA | ΦB | ΦC | ||
| 40 | 1 1/2” | 200 | 150 | 110 | 88 |
| 50 | 2” | 230 | 165 | 125 | 102 |
| 65 | 2 1/2” | 290 | 185 | 145 | 122 |
| 80 | 3” | 310 | 200 | 160 | 138 |
| 100 | 4” | 350 | 220 | 180 | 158 |
| 125 | 5” | 400 | 250 | 210 | 188 |
| 150 | 6” | 480 | 285 | 240 | 212 |
| 200 | 8” | 550 | 340 | 295 | 268 |
| 250 | 10” | 650 | 405 | 355 | 320 |
| 300 | 12” | 750 | 460 | 410 | 378 |
