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YD81 Tri-Clamp Liquid Cooling Butterfly Valve

YD81 Tri-Clamp Liquid Cooling Butterfly Valve

  • Model:YD81-10P/YD81-16P/YD81-25P/YD81-10R/YD81-16R/YD81-25R
  • Specification:DN15-DN200
  • Temperature:-40~180 ℃
  • Medium:Deionized water, Ethylene glycol, Propylene glycol solution, Mineral oil, Synthetic oil, Silicone oil, Perfluoropolyether (PFPE), Hydrofluoroether (HFE)
  • Pressure:PN10~25
  • Connection method:Clamp (Quick-release)
  • Driving method:Manual
  • Material:CF8 (SS304), CF8M (SS316)
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YD81 Tri-Clamp Liquid Cooling Butterfly ValveOverview

The YD81 Tri-Clamp Quick-Install Butterfly Valve is a precision-engineered valve designed for high-cleanliness and long-cycle requirements in modern liquid cooling systems. Moving away from traditional fluoroplastic linings, this valve utilizes precision-ground metal-to-metal seating or integrated synthetic seals. Its primary advantage is eliminating the risk of "cold flow" deformation often associated with plastics under extreme temperatures. Using international standard tri-clamp connections, the YD81 provides a simplified, high-pressure, and low-maintenance solution for CDU modules and semiconductor cooling loops.

Product Image:YD81 Tri-Clamp Liquid Cooling Butterfly Valve

YD81 Tri-Clamp Liquid Cooling Butterfly ValveCharacteristic


1、All-Metal/Hard-Seal Construction: Absence of plastic lining eliminates risks of aging, peeling, or media permeation, significantly extending service life under high-pressure cycles.

2、Second-Level Tool-Free Installation: Compatible with standard tri-clamps, enabling rapid assembly/disassembly by a single operator—a key component for modular maintenance.

3、High Thermal Shock Resistance: Without fragile plastic parts, the valve withstands wider coolant temperature fluctuations without seal failure due to thermal expansion.

4、Ultra-Thin Streamlined Disc: Hydrodynamically designed and polished disc minimizes local resistance (Kvs) when fully open, reducing pump workload.

5、High Purity Assurance: Made of high-grade stainless steel (e.g., 304/316L) with specialized cleaning; burr-free and oil-free to protect pure media like deionized water.

6、Lightweight & Compact: Significantly smaller than traditional wafer or flanged valves, effectively reducing the mechanical load on cooling pipe supports.

YD81 Tri-Clamp Liquid Cooling Butterfly Valvestructure principle

Structure Diagram:YD81 Tri-Clamp Liquid Cooling Butterfly Valve

Material List

CategoryMaterial
Main MaterialSUS304, SUS316L
Sealing MaterialEPDM, NBR, PTFE


YD81 Tri-Clamp Liquid Cooling Butterfly Valvetechnology parameter

Performance Specification Sheet

Performance Specification Sheet
Nominal Pressure1.01.62.5MPa
Strength test pressure1.52.43.8
Sealing test pressure1.11.762.8
Applicable Temperature-40~180


YD81 Tri-Clamp Liquid Cooling Butterfly Valvestandard size

Standard requirements for external dimensions

Product approved by PED97/23/EC (CE0036)

Casting approved by AD2000-W0

Inspection & Testing: API598, EN12266

Outline Diagram:YD81 Tri-Clamp Liquid Cooling Butterfly Valve

Outline Dimension Table   (Unit:mm)

SizeD1DLL1HKXK
1/2"25.47866126868X8
3/4"25.47866126868X8
1"50.57866126868X8
1 1/4"50.57866126868X8
1 1/2"50.58670126908X8
45649074126828X8
2"641027613310210X10
5777.51067614410410X10
2 1/2"77.51158014410910X10
3"911288414411510X10
3.5"10613986144123.511X11
4"11915410414413111X11
108119159106160133.511X11
5"145185122220146.514X14
133145/155185122220146.514X14
6"168215146220161.514X14
159168/183215146220161.514X14
8"217.4285166.828419914X14
219233.5285166.828419914X14