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Clorius Controls

L1SBR (Reverse Acting) 2-way Control Valve

The Clorius L1SBR (reversed acting) 2-way control valve is mainly designed for the regulation of cooling water and lubricating liquids. The L1SBR balanced valve is used in installations where the system pressure necessitates a closing force greater than available in the actuator programme for a standard single-seated valve, and where the leakage rate for a double-seated valve is unacceptable. The valves are installed combined with Clorius self-acting thermostats, pressure differential regulators or electric actuators for regulation in industrial plants, industrial processes or marine installations - especially in control systems for cooling.

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Size DN20...DN32
Material Bronze (EN CC499K)
Connection Type FPT - female thread conical (NPT)
Min. Temperature 0ºC
Max. Temperature 200ºC
Nominal pressure PN 16
Leakage rate ≤ 0.05% of Kvs

The Clorius L1SBR (reversed acting) 2-way control valve is mainly designed for the regulation of cooling water and lubricating liquids. The L1SBR balanced valve is used in installations where the system pressure necessitates a closing force greater than available in the actuator programme for a standard single-seated valve, and where the leakage rate for a double-seated valve is unacceptable. The valves are installed combined with Clorius self-acting thermostats, pressure differential regulators or electric actuators for regulation in industrial plants, industrial processes or marine installations – especially in control systems for cooling.

Design

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

Function

Without the actuator being connected, the valve is held in a closed position by means of a spring. With pressure on the spindle, the valve opens. In connection with our thermostats, the valves will open at rising temperatures. In connection with our electric actuators, the valves will either close or open, depending on the application. 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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