VAT 26432-KA41-0001 Pneumatic Angle Valve ISO-KF40 1x10-8 mbar 5 bar Abs

VAT 26432-KA41-0001 Pneumatic Angle Valve ISO-KF40 1x10-8 mbar 5 bar Abs

The VAT 26432-KA41-0001 is a pneumatically actuated angle valve with ISO-KF40 flanges, designed for high-vacuum and ultra-high-vacuum systems. It uses a single-acting actuator with a closing spring, meaning the valve fails closed on loss of pneumatic pressure — a standard fail-safe configuration for vacuum isolation. The aluminum body keeps the unit lightweight while maintaining the sealing integrity required across a wide pressure range from UHV (1×10⁻⁸ mbar) up to 5 bar absolute. The valve includes an integrated solenoid and position indicator with a 4-pin circular connector.

Specifications & What's Included

• Manufacturer: VAT (Made in Switzerland)
• Model / Part Number: 26432-KA41-0001
• Valve type: Angle valve (90° configuration)
• Flange type: ISO-KF40 (both ports)
• Actuator: Pneumatic, single-acting with closing spring (fail-closed)
• Pressure range: 1×10⁻⁸ mbar to 5 bar absolute
• Closing time: 0.55 seconds
• Body material: Aluminum (EN AW-6060)
• Body admissible temperature: 0 °C to 150 °C
• Actuator admissible temperature: 0 °C to 120 °C
• Solenoid admissible temperature: 0 °C to 80 °C
• Position indicator admissible temperature: 0 °C to 80 °C
• Solenoid electrical connection: 4-pin M12 circular connector
• Pneumatic connection: Brass push-to-connect fitting (visible on actuator)
• Includes: Valve body with actuator, solenoid, and position indicator with cable attached

Applications

VAT angle valves in the 264-series are widely used in semiconductor fabrication, thin film deposition (PVD/CVD), surface science, and general high-vacuum research systems. The ISO-KF40 quick-clamp flange interface is the standard for small-bore vacuum plumbing used throughout process chambers, turbomolecular pump lines, load locks, and roughing lines. The angle configuration allows the valve to redirect gas flow 90° while occupying a compact footprint — useful for connecting a pump port on the bottom of a chamber to a horizontally-routed vacuum line. The single-acting pneumatic actuator with fail-closed spring is a common choice where process safety requires the valve to close automatically on pneumatic loss. This valve is compatible with any vacuum system using KF40 (NW40) fittings and clamps, and its UHV-compatible construction (all-metal body, elastomer seal) makes it suitable for demanding process environments. The 26432 series is manufactured by VAT Group AG, the Swiss precision vacuum valve specialist whose products are standard equipment in semiconductor and research vacuum systems worldwide.