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The YQ21 External Thread Liquid Cooling Ball Valve is a control component specifically designed for direct piping alignment and modular assembly. Featuring precision-machined male threads on both ends, it allows for direct connection with female-threaded hoses, sensor bases, or manifolds without the need for additional adapters. The flow path is hydrodynamically optimized to provide extremely low resistance for high-power density liquid cooling systems (such as supercomputing centers and ESS). With high-grade corrosion-resistant stainless steel, it ensures long-term, stable, and leak-free operation in various chemical cooling media.

Product Image:YQ21 External Thread Liquid Cooling Ball Valve
Feature
1、Flexible Thread Configuration: The unique male-to-female combination simplifies piping layouts, especially in space-constrained environments where direct connection to sensors or hoses is required.
2、Targeted Sealing Optimization: Seats and seals are made from specialized modified materials that withstand long-term exposure to hydrofluoroethers and glycol solutions, ensuring stability for over a decade.
3、Minimal System Pressure Drop: The full-bore design and smooth internal channels minimize local resistance, ensuring efficient circulation of the cooling medium.
4、Superior Corrosion Resistance: Precision-machined from stainless steel (CF8/CF8M), the body remains rust-free and prevents particle shedding, maintaining the purity of the cooling system.
5、Effortless Operation: The combination of a precision-ground ball and low-friction seats ensures minimal operating torque even under extreme temperature fluctuations.
6、High-Strength Structural Design: Features a blow-out proof stem and reinforced wall thickness to withstand pressure surges during system startups and shutdowns.

Structure Diagram:YQ21 External Thread Liquid Cooling Ball Valve
Material List
| No. | Parts | Material |
| 1 | O-ring | NBR |
| 2 | Stem | SUS304 |
| 3 | Bolt | SUS304 |
| 4 | Lever | Aluminum Alloy / CF8 |
| 5 | Body | CF8 / CF8M |
| 6 | Cap | CF8 / CF8M |
| 7 | Ball Seat (a) | RPTFE |
| 8 | Ball | CF8 / CF8M |
| 9 | Ball Seat (b) | RPTFE |
Performance Specification Sheet
| Performance Specification Sheet | ||
| Nominal Pressure | 6.3 | MPa |
| Strength test pressure | 9.45 | |
| Sealing test pressure | 6.93 | |
| Applicable Temperature | -40~130 | ℃ |
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:YQ21 External Thread Liquid Cooling Ball Valve
Outline Dimension Table (Unit:mm)
| 1/8" | 1/4" | 3/8" | 1/2" | 3/4" | 1" | |
| D | 7 | 7 | 7 | 9.2 | 12.5 | 15 |
| H | 26.5 | 26.5 | 26.5 | 28.3 | 31.5 | 34 |
| W | 22.8 | 22.8 | 22.8 | 22.8 | 22.8 | 22.8 |
| L | 50 | 50 | 50 | 58 | 71.5 | 83 |

Model:
YH71-16P/YH71-25P/YH71-40P/YH71-16R/YH71-25R/YH71-40RSpecification:
DN50-DN300Pressure:
PN16~40Material:
CF8, CF8M
Model:
YD41X-10P/YD41X-10R/YD41X-16P/YD41X-16RSpecification:
DN50-DN2400Pressure:
PN10~16Material:
CF8,CF8M
Model:
YQ684F-10P/YQ684F-10R/YQ684F-16P/YQ684F-16RSpecification:
DN20-DN100Pressure:
PN10~16Material:
CF8,CF8M