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Clorius Controls

L1S 2-way Control Valve

The Clorius Controls L1S 2-way control valve is designed for regulating low, medium and high-pressure hot water, steam and lubricating oils with thermostats, pneumatic or electric actuators. The Clorius L1S are installed combined with temperature or pressure differential regulators in control systems for heating of domestic premises, district heating, industrial processes or marine installations. They can also be used in cooling applications when used with an electric actuator.

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Material Gun metal RG 5
Size DN 15 or DN 20
Min. Temperature 0ºC
Max. Temperature 225ºC
Connection Rp 1/2 or Rp 3/4
Nominal pressure PN 16
Material valve components Stainless steel
Leakage rate ≤ 0.05% of Kvs
Regulating capability Kvs/Kvr > 25

The Clorius Controls L1S 2-way control valve components spindle, seat and cone are made of stainless steel. The L1S valve body is made of gunmetal RG 5. The thread for the actuator connection is G1B ISO 228. The valve is single seated. The leakage rate is less than 0.05% of the full flow (according to VDI/VDE 2174).

Without the actuator being connected, the Clorius L1S control valve is held in an open position using a spring. With pressure on the spindle, the valve will close. In connection with thermostats, pneumatic or electric actuators, the valve will close at rising temperatures. For cooling circuits, the valve can be used in conjunction with a reverse acting electric actuator. Alternatively, a reverse acting valve can be used with our self-acting thermostats. The quadratic characteristic will not cease until the flow has dropped below 4% of the full flow.

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Get in touch with Bart our Clorius specialist

Bart

Bart de Haan

Managing Director

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