Vacuum Value

Large Diameter High Vacuum Gate Valve for Space Simulation and Turbo Pump Systems

Large Diameter High Vacuum Gate Valve for Space Simulation and Turbo Pump Systems

This high-performance large diameter high vacuum gate valve is engineered for demanding applications including space simulation chambers and turbo pump systems. Supporting sizes from DN400 to DN2000, it features a heavy-duty pneumatic push-pull design, reliable rubber seal technology, and optional water-cooling, ensuring long-term durability, low maintenance, and superior vacuum integrity.

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Product Details

This high-performance Large-diameter high vacuum gate valve is a heavy-duty vacuum isolation device specifically designed for ultra-large diameters, ultra-high vacuum environments, and space simulation or molecular pump matching conditions. Utilizing a robust push-pull gate structure, it is suitable for the full range from ultra-high vacuum to atmospheric pressure (5×10⁻⁸ Pa to 1×10⁵ Pa). It enables rapid isolation and sealing for large vacuum chambers, space simulation vessels, and molecular pump systems.

Core Features & Advantages

Optimized Large-Diameter Structure: The push-pull gate design offers excellent conductance and tight sealing, perfectly meeting the isolation needs of DN400 to DN2000 ultra-large high vacuum systems.
Pneumatic Double-Acting Drive: Ensures stable and reliable operation, supporting integration into automated production lines for continuous industrial demands.
Flexible Material Options: Available in both Aluminum Alloy and Stainless Steel, providing high strength, corrosion resistance, and low outgassing rates to suit different budgets and processes.
Reliable Rubber Seal: Employs a high-quality rubber ring sealing solution to ensure zero leakage, satisfying the stringent requirements of ultra-high vacuum applications.
Universal Compatibility: Standardized with ISO-F and JIS-B flanges, making it compatible with various large-scale vacuum setups for easy installation.
Optional Temperature Control: Supports an optional water-cooling module to effectively manage valve temperature in high-temperature process environments, significantly extending equipment life.

Technical Specifications

Opening Diameter	Main Material	Actuator Type	Example Model Number
DN400 ~ DN800	Aluminum Alloy / Stainless Steel	Pneumatic, Double-Acting	VAvat-A1113-32-DN400~800
DN900 ~ DN2000	Aluminum Alloy / Stainless Steel	Pneumatic, Double-Acting	VAvat-A1113-32-DN900~2000

Primary Application Fields

The versatility of the large-diameter gate valve makes it a cornerstone in several high-tech industries:

Space Simulation Systems: Acts as the standard valve for vacuum isolation in space environment simulation chambers and large-scale vacuum test rigs.
Molecular pump systems: Specifically designed to be "molecular pump friendly," it safely isolates the pump from the chamber, extending the service life of both components.
Large Industrial Vacuum Systems: Ideal for vacuum pipelines and chamber isolation in large-scale manufacturing requiring high stability.
Scientific Research: Used in major laboratories and space research facilities for high-end vacuum isolation tasks.

Why Choose Our Large-Diameter Gate Valve?

Our valve stands out due to its molecular pump friendly design, high precision, and low maintenance costs. Unlike standard valves, our mechanical structure is more compact and reliable. The lubricant-free design prevents contamination of sensitive vacuum isolation solutions, while mechanical sensors provide high accuracy and strong anti-interference capabilities.

Maintenance is quick and cost-effective, ensuring that large-scale systems can maintain continuous production with minimal downtime. The choice of aluminum or stainless steel ensures long-term durability even in corrosive or high-vacuum conditions.

Frequently Asked Questions (FAQ)

1. What is the primary use of this valve?

It is used for vacuum isolation in large-diameter systems, particularly in space simulation and molecular pump setups.

2. What materials are available?

We offer Aluminum Alloy and Stainless Steel options based on your specific process requirements and budget.

3. Does it support high-temperature environments?

Yes, by selecting the optional water-cooling module, the valve can operate effectively in high-temperature conditions.

4. Is it compatible with standard fittings?

Absolutely. It comes standard with ISO-F and JIS-B flanges to ensure easy integration with existing systems.

Product Summary

The Large-Diameter High Vacuum Gate Valve integrates stable sealing, molecular pump compatibility, and high precision into one robust package. Whether for space simulation chambers or industrial molecular pump isolation, it provides a safe, stable, and efficient solution. With its core advantages of "Large Diameter Adaptation + Reliability + Long Life," it remains the top choice for professional vacuum engineers worldwide.

Conclusion: The Large-diameter High Vacuum Gate Valve is Suitable for space simulation systems, large-scale industrial vacuum chambers, and molecular pump isolation. The core advantage is its molecular pump friendly design, high-precision anti-interference capability, and ultra-large diameter compatibility (up to DN2000).

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