Hermetically sealed 2-port valves for modulating control of chillers and heat pumps.
Siemens
MVL661
- Expansion, hot-gas and suction throttle applications with one type of valve
- PS45, stainless steel with soldering connections
- Integrated power electronic with precise position feedback signal
- For safety refrigerants such as R22, R134a, R404A, R407C, R410A, R507, and R744 (CO2). Not suitable for inflammable refrigerants.
QBE2104-P..U
With internally threaded pressure connection UNF7/16-20.
- For use with all media, including ammonia.
VXG44
3-port seat valves PN16 with externally threaded connections.
- With threaded connections to ISO 228/1.
- For chilled water or low-temperature hot water in closed circuits.
SKD60/SKD62
Overload-proof through travel-dependent, electronic switching off in end position. With die-cast aluminium housing and yoke for valves with 20 mm stroke. Optional function with one auxiliary switch. With manual control.
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SKD..U, SKD..UA are UL listed. Control devices MK..5.. are control devices with safety shut-off function per DIN EN 14597.