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Stainless Steel Vacuum Bellows from China Factory - High-Quality Suppliers for Vacuum Equipment Solutions
Product Functions
⚙️Vacuum Tightness
Adopting high-precision welding technology and a special sealing structure, they guarantee no leakage in high-vacuum environments ranging from 10⁻⁸ Pa·m³/s to 10⁻¹¹ Pa·m³/s, meeting the stringent requirements of industries such as semiconductors and photovoltaics.
🔄Displacement Compensation
Through the elastic deformation of the bellows, they absorb axial, lateral, and angular displacements, avoiding stress concentration in pipelines caused by thermal expansion/contraction or equipment vibrations, and extending the service life of the equipment.
🔇Vibration and Noise Reduction
The flexible structure can effectively reduce vibrations and noise transmitted by equipment such as vacuum pumps and turbomolecular pumps, enhancing the stability of system operation.
🌡️Corrosion and High-Temperature Resistance
Made of stainless steel or special alloys, they are suitable for corrosive gases (such as acidic gases in CVD processes) and high-temperature environments (-200℃ to +450℃).
Application Range
🔬Semiconductor and Electronics Industry
Used in vacuum pipeline connections for equipment in wafer manufacturing, etching, coating (PVD/CVD), etc., ensuring high cleanliness and pollution-free transmission.
🔌Vacuum Pump Systems
Connected to roots pumps, rotary vane pumps, molecular pumps, etc., to compensate for vibrations and thermal displacements and improve sealing performance.
🏗️Vacuum Valves and Chamber Connections
In vacuum coating machines and electron beam welding equipment, they serve as flexible transition components between valves and chambers, preventing leakage risks caused by rigid connections.
🧬Scientific Research and Medical Equipment
Applied in precision instruments such as particle accelerators, electron microscopes, and vacuum freeze dryers to ensure the stability of high-vacuum environments.
☀️New Energy and Photovoltaic Industry
Utilized in processes like solar cell coating and lithium battery vacuum drying, withstanding high temperatures and chemically corrosive environments.
Product Advantages
🛡️High Vacuum Adaptability
Meeting the requirements of ultra-high vacuum up to 10⁻¹¹Pa·m³/s without outgassing pollution.
⏳Long-Life Design
Multi-layer bellows structure with fatigue resistance of ≥10,000 cycles.
🔗Multiple Connection Methods
Flanges (KF/CF), welding, or quick-connect interfaces, compatible with different vacuum standards (ISO/DIN).
🛠️Customization Services
Supporting customization of different calibers (DN10~DN500), lengths, and special materials (such as Hastelloy).
Frequently Asked Questions (FAQ)
What is the leak rate limit for these vacuum bellows?
Our vacuum bellows guarantee no leakage in high-vacuum environments ranging from 10⁻⁸ Pa·m³/s to 10⁻¹¹ Pa·m³/s, making them ideal for ultra-high vacuum applications.
How do the bellows handle pipeline displacement?
Through elastic deformation, the bellows absorb axial, lateral, and angular displacements, which prevents stress concentration from thermal expansion or vibrations and extends equipment life.
What materials are used to withstand high temperatures and corrosion?
They are manufactured using high-grade stainless steel or special alloys, allowing them to withstand corrosive process gases and temperatures ranging from -200℃ to +450℃.
What types of connections and interfaces are supported?
We support multiple standard connection methods including KF/CF flanges, direct welding, and quick-connect interfaces, fully compatible with ISO and DIN standards.
Are custom sizes and configurations available?
Yes, we provide customization services for various calibers ranging from DN10 to DN500, custom lengths, and special alloy materials like Hastelloy.