We manufacture and supply expansion systems, nitrogen expansion systems, and water filtration and degassing systems. In addition to system production and system supply, we offer various accessories and fittings for heating and cooling installations.
Refill set
SOTEX FILL
The SOTEX FILL is a universal refill set consisting of a KIWA-approved shut-off valve, a robust solenoid valve, and a water meter that indicates the amount of water consumed, equipped with a pulse counter for potential feedback to your system. Operated by 230 VAC or 24 VDC.
Drain valve with hose connector
Simplex ball valve
Simplex ball valve for use in heating systems, with red lever handle, self-sealing with special thread seal.
• Secure installation thanks to self-sealing thread.
• Precise axial positioning thanks to lock nut.
• Precise guidance of the blanking cap thanks to stainless steel swivel bracket.
• Concealed operating element thanks to blanking cap, which also serves as a rotary knob.


