Alltesta™ High-Pressure Switching Valve

The Alltesta™ Mini High-Pressure Switching Valve offers versatility and convenience for laboratory fluid management applications. It features flexible flow switching at varying flow rates and can be used independently or as part of the Alltesta™ Analyzer or Alltesta™ Autosampler.

With customizable options, including up to 10 available ports on the stator, the valve can be tailored to specific needs. It is built to handle pressures up to 5000 psi (350 bar) and boasts a fast 60 degree switch time of 200 milliseconds.

For pricing information, please contact us at alltesta@sielc.com.

Specifications

Power requirements: USB type B
Dimensions (WHL): 63 x 46 x 128 mm / 2.48 x 1.81 x 5.04 in
Weight: 0.45 kg / 0.95 lb
Switching speed for 60 degree: 200 ms
Max pressure: 350 bar (5000 psi)
Ports style: 10-32 thread with conical 1/16″ tube compression type seal
Materials in contact with liquid: coated SS316, Vespel® or PEEK or PTFE

Available Configurations

Software

The Alltesta™ High-Pressure Switching Valve can be controlled:

– directly via serial commands (option with greatest flexibility, Alltesta™ protocol available upon request, please contact us at support@sielc.com),
– directly via our software, allowing to use the whole functionality of the unit without the need for automation (Windows 10, 32/64bit, 6 Mb, Windows 7, 32/64 bit, 127 Mb),
– remotely through our cloud software (as a part of Alltesta™ Analyzer)
– operator may also simply press the button on the front of the device to switch it to the next position

Serial Communication Drivers are available here.

Available Custom Options

– A High-flow version of the valve (preparative) is available
– A metal-free version of the valve is also available.

Valve Rotor Position Indication

LED color indicates the valve’s rotor position. By pressing the LED, the rotor can be advanced by one position. Depending on the valve configuration, the second press will either advance the rotor forward or backward. Position 1 – LED Green Position 2 – LED Navy Position 3 – LED Purple Position 4 – LED Blue Position 5 – LED Red Position 6 – LED White

Applications

– Column Switching – Solvent Selection – Sample Injection – Sample Cleaning