Product Overview
The VAT 351976/1868/9 is a high-precision vacuum isolation valve engineered by VAT Group, a global leader in vacuum valve technology. This component is designed for reliable sealing and flow control in vacuum and pneumatic process systems, operating on a mechanically or pneumatically actuated sealing mechanism rather than a hydraulic pumping principle. It serves as a critical isolation or roughing valve in industrial vacuum networks, ensuring leak-tight shutoff, minimal particle generation, and stable conductance characteristics. The valve is constructed for integration into demanding process environments where contamination control and repeatable cycling are essential.
Technical Specifications
| Parameter | Specification / Feature |
|---|---|
| Component Type | General Process & Pneumatic Valve (Vacuum Isolation Valve) |
| Model Designation | VAT 351976/1868/9 |
| Operating Pressure | Vacuum to low positive pressure (rated per manufacturer vacuum specifications) |
| Mounting & Connection | Standard ISO-KF / CF or manufacturer-specific vacuum flange interface |
| Actuation Type | Pneumatic or manual actuation (spool/plate sealing mechanism) |
| Sealing Principle | Elastomer or metal seal, leak-tight shutoff |
Engineering Features & Advantages
- Precision Performance: Optimized sealing geometry ensures repeatable leak-tight isolation with minimal conductance loss and low particle generation, critical for vacuum process integrity.
- Industrial Reliability: Built for continuous cycling under severe vacuum and process conditions, with robust body and actuator design for long service life.
- Direct Fit Replacement: Exact dimensional and functional compatibility with original VAT OEM standards, ensuring drop-in replacement without modification.
- Contamination Control: Cleanroom-compatible materials and surface finishes reduce outgassing and particulate contamination in sensitive processes.
Typical Industrial Applications
This vacuum valve is commonly deployed in semiconductor fabrication equipment, thin-film deposition and etching systems, industrial vacuum coating lines, and analytical instrumentation where precise vacuum isolation and pneumatic process control are required. It is also suitable for research laboratory vacuum networks and pharmaceutical freeze-drying systems demanding reliable, repeatable shutoff performance.
PRODUCT IMAGES


VAT 351976/1868/9 Vacuum Valve
⚡ Emergency Plant Maintenance & Ready-to-Ship Notice:
- Authentic & Fully Tested: 100% bench tested for hydraulic response, pressure rating, and null-bias stability before dispatch.
- Fast Dispatch: In-stock units ready for same-day dispatch via DHL / FedEx Express directly to your plant.
- Pre-Shipment Verification: High-definition photos, video testing runs, and serial number verification provided prior to shipment.
- Peace of Mind: Covered by our 12-Month Replacement Warranty.
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