Rotary shear valves for gas chromatography with electric drive
injection or for selection with up to 14 ports
Description
These valves are available for injection or selection of high-temperature gases.
The electric actuator is available with an RS232/RS485 interface as standard.
High-quality materials and precise workmanship ensure excellent quality and extremely low leak rates.
Sulfinert version available: Reduces sulfur adsorption through the metal part of the valve body, suitable for the analysis of active sulfur compounds (such as hydrogen sulfide and thiols) in the ppb range.
Specifications
Pressure range
|
up to 27.5 bar (air)
|
Max. temperature
|
up to 225°C
|
Extension rod
|
2" | 3" | 4" | 6"
|
Ports
|
3 | 4 | 6 | 8 | 10 | 12 | 14 | 16 | 16
|
Channel diam.
|
0.4 mm | 0.75 mm
|
Actuator
|
Electric
|
Communication interface
|
RS-232 | RS-485 (others upon request)
|
Port connections
|
1/8" | 1/4"
|
Materials in contact with media
|
Stator: Nitronic N60 | Hastelloy alloy | 316L stainless steel Rotor: PEEK | Ceramic |