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The H14 Internal Swing Check Valve is specifically engineered for industrial liquid cooling systems, energy storage cooling units, and data center thermal management. This valve features a fully integrated internal swing mechanism, where the disc and rocker arm are contained entirely within the body. This design minimizes installation footprint and eliminates risks associated with external mechanical interference. As an automatic valve, it relies on media flow to open and utilizes backflow and gravity to close, effectively preventing coolant reversal, protecting pumps and heat exchangers from water hammer, and ensuring stable unidirectional flow.

Product Image:Internal Swing Check Valve for Liquid Cooling H14
Feature
1、Compact Internal Structure: The swing mechanism is integrated within the valve cavity with no external moving parts, significantly reducing leakage risks—ideal for modular liquid cooling cabinets with limited space.
2、Optimized Flow Channel: The internal flow path is designed for low flow resistance, effectively reducing system energy consumption and enhancing heat dissipation efficiency.
3、Rapid Response: With a short disc stroke and high sensitivity, the valve closes instantly upon flow cessation or reversal, minimizing water hammer damage to precision cooling equipment.
4、Corrosion-Resistant Materials: Typically constructed from stainless steel (e.g., SS304/SS316) or specialized alloys to ensure excellent resistance to erosion and chemical corrosion from various cooling media.
5、High Sealing Reliability: Precision-ground sealing surfaces ensure zero leakage performance even under low differential pressure conditions.
6、Installation Versatility: Supports horizontal installation and maintains excellent operational stability in vertical piping layouts.

Structure Diagram:Internal Swing Check Valve for Liquid Cooling H14
Material List
| Name | Material |
| Seat | Stainless steel |
| Disc | Stainless steel |
| Pin | Stainless steel |
| Lever | Stainless steel |
| body | Stainless steel |
Performance Specification Sheet
| Performance Specification Sheet | ||
| Nominal Pressure | 1.6 | MPa |
| Strength test pressure | 2.4 | |
| Sealing test pressure | 1.76 | |
| Applicable Temperature | -40~180 | ℃ |
Standard requirements for external dimensions
Thread Connection Standard:ASME B1.20.1 (NPT),BSP, BSPT
DIN 259 / DIN 2999,BS 21,
ISO 288-1, ISO 7-1
Socket Welding Connection Standard: ASME B16.11

Outline Diagram:Internal Swing Check Valve for Liquid Cooling H14
Outline Dimension Table Unit:mm
| Size (Inch) | DN (Metric) | d | L | H | D | J |
| 1/4" | DN6 | 11 | 62 | 48 | 14.2 | 9.5 |
| 3/8" | DN10 | 11 | 62 | 48 | 17.6 | 9.5 |
| 1/2" | DN15 | 15 | 62 | 48 | 21.8 | 9.5 |
| 3/4" | DN20 | 20 | 75 | 52 | 27.2 | 12.5 |
| 1" | DN25 | 25 | 84 | 58 | 33.9 | 12.5 |
| 1-1/4" | DN32 | 32 | 102 | 70 | 42.7 | 12.5 |
| 1-1/2" | DN40 | 39 | 115 | 76 | 48.8 | 12.5 |
| 2" | DN50 | 50 | 135 | 82 | 61.2 | 16 |
| 2-1/2" | DN65 | 63 | 156 | 91.5 | 73.9 | 16 |
| 3" | DN80 | 76 | 188 | 102 | 89.8 | 16 |

Model:
YH71-16P/YH71-25P/YH71-40P/YH71-16R/YH71-25R/YH71-40RSpecification:
DN50-DN300Pressure:
PN16~40Material:
CF8, CF8M
Model:
YQ11-63P/YQ11-63RSpecification:
DN6-DN25Pressure:
PN63Material:
CF8, CF8M
Model:
YD71F-10P/YD71F-16P/YD71F-10R/YD71F-16RSpecification:
DN50-DN1200Pressure:
PN10~16Material:
CF8+F46, CF8M+F46