The H12 Vertical Liquid Cooling Check Valve is an automatic valve designed specifically for data center liquid cooling cabinets, cooling tower circulation systems, and compact liquid cooling pipelines. Utilizing a vertical lift structure, the valve opens automatically under medium pressure and closes via the disc’s weight and backflow. For liquid cooling applications, the body is precision-cast from high-grade stainless steel with a hydrodynamically optimized disc, ensuring sensitive operation even in low-pressure differential environments to prevent backflow damage to pumps and precision electronics.

Product Image:H12 Vertical Liquid Cooling Check Valve

1、Vertical Guided Structure: The unique vertical lift design ensures the disc moves smoothly along the guides for accurate resetting during closure.

2、Ultra-Low Cracking Pressure: Optimized disc weight for low-pressure cooling loops ensures rapid opening upon pump startup, reducing system energy consumption.

3、Dead-Zone Free Cavity: Smooth internal surfaces prevent sediment accumulation, compatible with deionized water and glycols to maintain system cleanliness.

4、Compact Threaded Connection: Standard female threads allow for a small footprint, ideal for space-constrained cooling modules or Cooling Distribution Units (CDU).

5、Quiet Closure Design: Precision-ground disc and seat (with optional soft seals) effectively absorb vibration and noise, suitable for quiet office or server room environments.

6、Corrosion-Resistant & Durable: All-stainless steel construction withstands frequent thermal cycling and prevents ion contamination, extending the maintenance cycle.

Structure Diagram:H12 Vertical Liquid Cooling Check Valve

Material List

Performance Specification Sheet

Standard requirements for external dimensions

Product approved by PED97/23/EC (CE0036)

Casting approved by AD2000-W0

Thread conforms to: ASME B1.20.1, BS21.0, DIN2999/259, ISO228-1, JIS B 0203, ISO7/1

Inspection & Testing: API598, EN12266

Outline Diagram:H12 Vertical Liquid Cooling Check Valve

Outline Dimension Table   （Unit:mm）

Due to the rapid R&D iteration speed of valve products from China Kaivex Valve Group Co., Ltd., the above technical parameters and specification documents, including product overview, features, parts materials, outline dimension charts, CAD drawings, and product instruction manuals, are for your reference only. For actual applications, please contact our valve sales engineers to obtain the support you need for free. Thank you!