Product Features & Advantages
Certified Ultra-High Vacuum Performance: Engineered and tested to achieve exceptionally low helium leak rates of ≤ 1×10⁻⁹ std cc/sec. This ensures the valve reliably maintains the necessary vacuum level for sensitive applications in semiconductor fabrication, surface science, and research.
Rapid, Reliable KF Flange Connection: The ISO-KF (NW) flange system allows for tool-free assembly and disassembly in seconds using a simple centering ring and claw clamp. This design drastically reduces maintenance downtime and simplifies system reconfiguration without compromising vacuum integrity.
High-Purity, Low Outgassing Construction: Constructed from vacuum-grade stainless steel and subjected to electropolishing, the valve interior exhibits a smooth, passive surface that minimizes adsorption and outgassing, which is critical for achieving and sustaining ultra-high vacuum (UHV) conditions.
Compact & Chemically Resistant Design: The compact form factor saves valuable space in complex vacuum manifolds. The inherent corrosion resistance of stainless steel ensures long-term durability when exposed to inert gases and certain process vapors.
Precise Flow Control: A quarter-turn manual lever allows for quick and positive switching between flow paths. The valve design is also compatible with pneumatic actuators for remote operation, enabling seamless integration into fully automated vacuum processes.
Our Service
We support the critical needs of your vacuum operations with dedicated expertise and resources:
◎Vacuum Integration Support: Our technical team provides assistance with system-specific integration challenges to ensure optimal valve performance and vacuum integrity.
◎Comprehensive Maintenance Kits: We offer detailed cleaning guidelines and supply genuine spare parts, including Viton® or FKM O-rings, centering rings, and claw clamps, to facilitate preventative maintenance and preserve system uptime.
◎Full Warranty & Traceability: The valve is backed by a standard 12-month manufacturer's warranty. We provide material certifications and traceability documentation upon request to support your quality assurance protocols.
FAQ
Q: What standard KF flange sizes are available?
A: This valve series is commonly available in standard ISO-KF sizes including KF-16, KF-25, KF-40, and KF-50, ensuring compatibility with the majority of vacuum system components and fittings.
Q: What qualifications make this valve suitable for high-vacuum applications?
A: Two key qualifications are its certified ultra-low helium leak rate (≤ 1×10⁻⁹ std cc/sec) and its construction from high-purity, low-outgassing materials. The ISO-KF flange design itself is a vacuum-standardized connection method proven for reliability.
Q: Is the valve operated manually or can it be automated?
A: Standard models are equipped with a manual lever for direct operation. However, the valve body is designed to be actuator-ready, and can be fitted with a pneumatic actuator for remote, automated control within your vacuum system.
Q: How is maintenance performed on these vacuum valves?
A: Maintenance is straightforward thanks to the quick-connect KF flanges. The valve can be rapidly isolated and removed from the system for cleaning or seal replacement. Routine maintenance primarily involves inspecting and replacing the O-ring seals to ensure continued leak-tight performance.
Q: Why are specific materials and surface finishes used?
A: Vacuum-grade stainless steel is used for its low permeability and strength. The electropolished internal finish serves two critical functions: it minimizes the surface area for gas molecules to adhere (reducing outgassing), and it creates a smooth, inert surface that is easy to clean and resistant to corrosion.
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