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KF25 Sanitary Stainless Steel High-Vacuum Flapper Valve
**Model Number:** longva2353
**Size Range:** DN10 to DN50
**Trademark:** LONGVA or OEM
**Standard:** ISO KF
**HS Code:** 8481804090
**Connection Types:** Clamp, Flange
**Drive Options:** Manual, Pneumatic
**Packaging:** Carton, Wooden Case
**Origin:** Wenzhou, China
The KF25 Sanitary Stainless Steel High-Vacuum Flapper Valve is a reliable solution for controlling airflow in vacuum systems. It is designed for use with clean air and non-corrosive gases, making it ideal for various industrial and laboratory applications. Available in multiple sizes such as KF16, KF25, KF40, and KF50, this valve ensures precise operation and long-lasting performance.
Constructed from high-quality stainless steel 304 or 316, the valve offers excellent corrosion resistance and durability. It comes in two main types based on its shaft seal design: GD-J (rubber seal) and GD-J (b) (bellows seal). Additionally, it is available in two configurations: GD-J (angle type) and GD-S (three-way with pre-pumping), allowing for flexible integration into different system setups.
This flapper valve is widely used in semiconductor manufacturing, pharmaceutical processes, and other environments where maintaining a high vacuum is critical. Its sanitary design ensures cleanliness and ease of maintenance, meeting industry standards for hygiene and performance.



Whether you need a standard or custom solution, our high-vacuum flapper valves are engineered to deliver consistent performance and reliability. Contact us for more details or to request a sample.