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The YQ681F Pneumatic Liquid Cooling Tri-Clamp Ball Valve is an automated fluid control component integrating a high-performance pneumatic actuator with a quick-release ball valve structure. Designed for hyperscale data center cooling systems, automated Cooling Distribution Units (CDU), and semiconductor thermal control lines, it enables remote rapid shut-off or proportional control. Featuring ISO standard tri-clamp interfaces, precision-ground stainless steel balls, and high-purity fluoroplastic seals, it combines seconds-level maintenance convenience with the reliability required for specialized coolants like HFE and PFPE.

Product Image:YQ681F Pneumatic Liquid Cooling Tri-Clamp Ball Valve
Feature
1、Integrated Automation: Equipped with highly sensitive pneumatic actuators for rapid response and remote monitoring via central control systems.
2、Tool-free Rapid Installation: The tri-clamp design allows for installation or replacement inside cabinets without specialized tools, minimizing downtime.
3、Full-Bore Low Energy Design: The full-port passage offers near-zero resistance, reducing pump power consumption and optimizing PUE metrics.
4、High Chemical Stability: Modified PTFE seals are chemically inert, preventing particle generation or leaching to protect sensitive computing chips.
5、Self-lubricating Long Life: The stem features multiple-stage seals and self-lubricating bushings, maintaining low torque and tight sealing under high-frequency operation.
6、Compact Corrosion Resistance: Both the body and actuator use lightweight aluminum or stainless steel, offering excellent oxidation resistance in humid or thermal cycling environments.

Structure Diagram:YQ681F Pneumatic Liquid Cooling Tri-Clamp Ball Valve
Material List
| Parts | Material |
| Body | Stainless Steel CF8 |
| Bonnet | Stainless Steel CF8 |
| Ball | Stainless Steel 304 |
| Stem | Stainless Steel 304 |
| Seat | PTFE + Graphite |
| Body Seal Ring | EPDM / FKM |
| Stem Seal Ring | EPDM / FKM |
| Stem Gasket | PTFE |
Performance Specification Sheet
| Performance Specification Sheet | ||||
| Nominal Pressure | 1.0 | 1.6 | 2.5 | MPa |
| Strength test pressure | 1.5 | 2.4 | 3.8 | |
| Sealing test pressure | 1.1 | 1.76 | 2.8 | |
| Applicable Temperature | -40~180 | ℃ | ||
Standard requirements for external dimensions
Product approved by PED97/23/EC (CE0036)
Casting approved by AD2000-W0
Inspection & Testing: API598, EN12266

Outline Drawing:YQ681F Pneumatic Liquid Cooling Tri-Clamp Ball ValveOutline
Dimension Table (Unit:mm)
| Size | L | K | d | L1 | H |
| 3/4" | 105 | 50.5 | 16 | 153 | 156 |
| 1" | 120 | 50.5 | 22.2 | 176 | 170 |
| 1 1/2" | 130 | 50.5 | 28.6 | 176 | 170 |
| 1 1/2" | 140 | 50.5 | 35 | 189 | 188 |
| 1 3/4" | 135 | 64 | 42 | 212 | 203 |
| 2" | 160 | 64 | 47.6 | 212 | 210 |
| 2 1/2" | 180 | 77.5 | 59.5 | 249 | 235 |
| 3" | 210 | 91 | 72.6 | 277 | 260 |
| 3 1/2" | 225 | 106 | 81 | 308 | 300 |
| 4" | 255 | 119 | 100 | 308 | 320 |

Model:
H14-16P/H14-16RSpecification:
DN6-DN80Pressure:
PN16Material:
CF8,CF8M
Model:
YP21X-10P/YP21X-16P/YP21X-25P/YP21X-10R/YP21X-16R/YP21X-25RSpecification:
DN10-DN25Pressure:
PN10~25Material:
CF8 (SS304), CF8M (SS316)
Model:
YD71F-10P/YD71F-16P/YD71F-10R/YD71F-16RSpecification:
DN50-DN1200Pressure:
PN10~16Material:
CF8+F46, CF8M+F46