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YQ21 Internal and External Thread Liquid Cooling Ball Valve

YQ21 Internal and External Thread Liquid Cooling Ball Valve

  • Model:YQ21-63P / YQ21-63R
  • Specification:DN6-DN25
  • Temperature:-40~130 ℃
  • Medium:Deionized water, ethylene glycol, propylene glycol aqueous solution, mineral oil, synthetic oil, silicone oil, perfluoropolyether (PFPE), hydrofluoroether (HFE)
  • Pressure:PN63
  • Connection method:Female thread and Male Thread
  • Driving method:Manual
  • Material:CF8, CF8M
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YQ21 Internal and External Thread Liquid Cooling Ball ValveOverview

The YQ21 Internal and External Thread Liquid Cooling Ball Valve is a specialized control component designed to meet diverse connection requirements in liquid cooling circuits. Its unique "Male-to-Female" thread structure allows it to act as both a connector and a terminal control valve, directly linking equipment and piping networks. It is widely used in energy storage container cooling loops, liquid-cooled charging piles, and immersion cooling systems. By reducing the need for extra adapters, it minimizes potential leak points and optimizes integrated liquid cooling designs.

Product Image:YQ21 Internal and External Thread Liquid Cooling Ball Valve

YQ21 Internal and External Thread Liquid Cooling Ball ValveCharacteristic


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.

YQ21 Internal and External Thread Liquid Cooling Ball Valvestructure principle

Structure Diagram:YQ21 Internal and External Thread Liquid Cooling Ball Valve

Material List

No.PartsMaterial
1O-ringNBR
2StemSUS304
3BoltSUS304
4LeverAluminum Alloy / CF8
5BodyCF8 / CF8M
6CapCF8 / CF8M
7Ball Seat (a)RPTFE
8BallCF8 / CF8M
9Ball Seat (b)RPTFE


YQ21 Internal and External Thread Liquid Cooling Ball Valvetechnology parameter

Performance Specification Sheet

Performance Specification Sheet
Nominal Pressure6.3MPa
Strength test pressure9.45
Sealing test pressure6.93
Applicable Temperature-40~130


YQ21 Internal and External Thread Liquid Cooling Ball Valvestandard size

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 Internal and External Thread Liquid Cooling Ball Valve

Outline Dimension Table   (Unit:mm)

1/8"1/4"3/8"1/2"3/4"1"
D7779.212.515
H26.526.526.528.331.534
W22.822.822.822.822.822.8
L404040465465