List of products by brand CSA

CSA – Technical profile of a water control valve, air valve and surge protection equipment manufacturer

CSA is an Italian manufacturer of hydraulic control equipment for water supply, wastewater, irrigation, desalination and industrial water systems. Its product range is focused on automatic control valves, air valves, pressure reducing valves, pressure sustaining valves, surge protection devices and special valves for water networks.

Main product areas include:

  • automatic control valves,
  • pressure reducing valves,
  • pressure sustaining valves,
  • pressure relief valves,
  • altitude control valves,
  • flow control valves,
  • pump control valves,
  • air release valves,
  • air / vacuum valves,
  • anti-surge and water hammer protection valves.

CSA products are mainly used in hydraulic networks where pressure, air management and transient control are critical. These valves are not simple manual isolation valves. Many of them operate hydraulically through pilot systems, pressure sensing lines or float-operated mechanisms.

Pressure reducing valves are used to control downstream pressure in water distribution networks. Pressure sustaining valves maintain minimum upstream pressure. Relief valves protect the network from excessive pressure. Pump control valves manage pump start-up and shutdown transients. Air valves evacuate air during filling, admit air during draining and release accumulated air during operation.

Selection requires hydraulic data:

  • maximum, minimum and normal flow,
  • upstream and downstream pressure,
  • pipe profile,
  • filling and draining conditions,
  • pump start / stop logic,
  • surge analysis where applicable,
  • water quality,
  • cavitation risk,
  • installation chamber layout,
  • maintenance access.

For water engineers, desalination engineers, irrigation designers and municipal utilities, CSA equipment must be selected as part of the hydraulic behaviour of the full network. Air management and surge protection should be reviewed during design, not added only after operational problems appear.

Automatic control valves - Flow control - XLC 330/430 PN 25 | CSA - CSA

Automatic control valves - Flow control - XLC 330/430 PN 25 | CSA

Automatic control valves - Flow control - XLC 330/430 PN 25 | CSA
CSA
CSA XLC 330/430 PN25 – Flow Control Valve The CSA XLC 330/430 is a hydraulically actuated, automatic globe-type control valve designed to limit flow to a preset value, independent of upstream or downstream pressure fluctuations. When actual flow is below the setpoint, the valve remains fully open. Suitable for water distribution and process applications...
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Automatic control valves - Flow control - XLC 331/431 PN 25 | CSA - CSA

Automatic control valves - Flow control - XLC 331/431 PN 25 | CSA

Automatic control valves - Flow control - XLC 331/431 PN 25 | CSA
CSA
CSA XLC 331/431 PN25 The CSA XLC 331/431 is a hydraulically actuated globe valve designed for simultaneous downstream pressure reduction and flow limitation to a preset maximum value. It maintains stable downstream pressure regardless of demand fluctuations, while the pilot circuit restricts excess flow. Operation Valve integrates: pressure reducing...
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Automatic control valves - Flow control - XLC 334/434 PN 16/25 | CSA - CSA

Automatic control valves - Flow control - XLC 334/434 PN 16/25 | CSA

Automatic control valves - Flow control - XLC 334/434 PN 16/25 | CSA
CSA
CSA XLC 334/434 PN16/25 The CSA XLC 334/434 is a hydraulically actuated globe valve designed for minimum/maximum tank level control with integrated maximum flow limitation. Regulation is achieved via a pilot circuit, without the use of electric actuators. Operation The valve opens and closes according to preset tank level limits. During opening, it...
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Automatic control valves - Flow control - XLC 335/435 PN 25 | CSA - CSA

Automatic control valves - Flow control - XLC 335/435 PN 25 | CSA

Automatic control valves - Flow control - XLC 335/435 PN 25 | CSA
CSA
CSA XLC 335/435 PN25 The CSA XLC 335/435 is an automatic flow control valve with solenoid-operated open/close command. It maintains a preset flow rate regardless of upstream pressure fluctuations. When flow is below the setpoint, the main valve remains fully open. Designed for process water and compatible with treated water up to 70°C. Operation Flow...
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Automatic control valves - Flow control - XLC 380/480 PN 16/25 | CSA - CSA

Automatic control valves - Flow control - XLC 380/480 PN 16/25 | CSA

Automatic control valves - Flow control - XLC 380/480 PN 16/25 | CSA
CSA
CSA XLC 380/480 PN16/25 The CSA XLC 380/480 is an automatic excess flow shut-off valve. It remains fully open as long as flow is below the set threshold and closes completely if a sudden increase in flow above the set point is detected. Manual reset is required after closure. This design is intended for process protection rather than continuous flow...
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Automatic control valves - Level control - XLC 324/424 PN 16 | CSA - CSA

Automatic control valves - Level control - XLC 324/424 PN 16 | CSA

Automatic control valves - Level control - XLC 324/424 PN 16 | CSA
CSA
CSA XLC 324/424 PN16 Level Control Valve The CSA XLC 324/424 is a hydraulically actuated globe-type valve designed for minimum/maximum tank level control with simultaneous upstream pressure sustaining. When upstream pressure drops below the setpoint, the valve throttles flow to maintain supply to higher pressure zones. Technical Data Body/cover: ductile...
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Automatic control valves - Level control - XLC 326/426 PN 16 | CSA - CSA

Automatic control valves - Level control - XLC 326/426 PN 16 | CSA

Automatic control valves - Level control - XLC 326/426 PN 16 | CSA
CSA
CSA XLC 326/426 PN16 Proportional Level Control Valve The CSA XLC 326/426 is a hydraulically actuated level control valve equipped with a proportional level pilot MCP constructed from stainless steel. It maintains a constant tank level while sustaining upstream pressure above a preset minimum. Designed for water supply systems requiring precise level...
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Automatic control valves - Level control - XLC 334/434 PN 16/25 | CSA - CSA

Automatic control valves - Level control - XLC 334/434 PN 16/25 | CSA

Automatic control valves - Level control - XLC 334/434 PN 16/25 | CSA
CSA
CSA XLC 334/434 PN16/25 Level Control Valve with Flow Limitation The CSA XLC 334/434 is a hydraulically actuated globe-type control valve designed for minimum/maximum tank level regulation with integrated maximum flow limitation at a preset setpoint, independent of upstream pressure fluctuations. This configuration is suitable for process applications...
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Automatic control valves - Level control - XLC 340/440 PN 16 | CSA - CSA

Automatic control valves - Level control - XLC 340/440 PN 16 | CSA

Automatic control valves - Level control - XLC 340/440 PN 16 | CSA
CSA
CSA XLC 340/440 PN16 Min-Max Level Control Valve The CSA XLC 340/440 is a hydraulically actuated globe control valve designed for minimum and maximum tank level control. It regulates tank filling independently of upstream pressure fluctuations, with an adjustable differential level range up to 4 m. Operation The valve opens when the liquid level drops to...
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Automatic control valves - Level control - XLC 360/460-MCP PN 16 | CSA - CSA

Automatic control valves - Level control - XLC 360/460-MCP PN 16 | CSA

Automatic control valves - Level control - XLC 360/460-MCP PN 16 | CSA
CSA
CSA XLC 360/460-MCP PN16 Proportional Level Control Valve The CSA XLC 360/460-MCP is a hydraulically actuated globe control valve designed for water tank level regulation. Equipped with a proportional MCP pilot in stainless steel, it maintains a constant setpoint level regardless of upstream pressure fluctuations. Suitable for process water and potable...
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Automatic control valves - Level control - XLC 360/460-Rotoway-P PN 16/25 | CSA - CSA

Automatic control valves - Level control - XLC 360/460-Rotoway-P PN 16/25 | CSA

Automatic control valves - Level control - XLC 360/460-Rotoway-P PN 16/25 | CSA
CSA
CSA XLC 360/460-Rotoway-P PN16/25 The XLC 360/460-Rotoway-P is a hydraulically actuated globe valve designed for constant tank level control. Regulation is achieved via a three-way stainless steel pilot, operating independently of upstream pressure fluctuations. Suitable for process water and compatible with industrial water treatment systems. Technical...
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Automatic control valves - Level control - XLC 365/465-MCP PN 16/25 | CSA - CSA

Automatic control valves - Level control - XLC 365/465-MCP PN 16/25 | CSA

Automatic control valves - Level control - XLC 365/465-MCP PN 16/25 | CSA
CSA
CSA XLC 365/465-MCP PN16/25 The XLC 365/465-MCP is a proportional level control valve for water storage tanks, equipped with an additional on-off solenoid actuator. It maintains a constant tank level via a stainless steel MCP proportional pilot and allows remote shutoff or override through electrical signal or controller input. Technical Data Body/cover:...
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Automatic control valves - Level control - XLC 370/470 PN 16/25 | CSA - CSA

Automatic control valves - Level control - XLC 370/470 PN 16/25 | CSA

Automatic control valves - Level control - XLC 370/470 PN 16/25 | CSA
CSA
CSA XLC 370/470 PN16/25 Altitude Control Valve The XLC 370/470 is a hydraulically actuated globe control valve designed for maintaining constant water level in reservoirs or water towers. Level regulation is achieved via a high-sensitivity pilot, providing proportional control with accuracy within a few centimeters of water column, minimizing abrupt...
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Automatic control valves - Level control - XLC 370/470-D PN 16 | CSA - CSA

Automatic control valves - Level control - XLC 370/470-D PN 16 | CSA

Automatic control valves - Level control - XLC 370/470-D PN 16 | CSA
CSA
CSA XLC 370/470-D PN16 Level Control Valve with Fast Discharge Function The CSA XLC 370/470-D is a hydraulically actuated globe-type control valve for tank level regulation via hydrostatic pressure, equipped with an integrated fast discharge mechanism for the control chamber. This configuration enables faster main valve response to level changes compared...
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Automatic Solenoid Control Valve - XLC 310/410-T PN 16/25 | CSA - CSA

Automatic Solenoid Control Valve - XLC 310/410-T PN 16/25 | CSA

Automatic Solenoid Control Valve - XLC 310/410-T PN 16/25 | CSA
CSA
CSA XLC 310/410-T PN 16/25 Automatic pressure control valve for water distribution networks, with solenoid/electronic management via CSA controller, PLC, web interface, or SCADA. Applied where downstream pressure must follow a control curve in response to flow variations. Operation The valve reduces and stabilizes downstream pressure regardless of...
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Automatic Solenoid Control Valve - XLC 315/415 PN 16/25 | CSA - CSA

Automatic Solenoid Control Valve - XLC 315/415 PN 16/25 | CSA

Automatic Solenoid Control Valve - XLC 315/415 PN 16/25 | CSA
CSA
CSA XLC 315/415 PN 16/25 Hydraulically actuated globe-type pressure reducing valve with solenoid-operated open/close control. Maintains constant downstream pressure regardless of upstream fluctuations or demand changes. Responds to electrical signals from automation systems, alarms, or level controllers. Operation The main valve regulates downstream...
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Automatic Solenoid Control Valve - XLC 325/425 PN 16/25 | CSA - CSA

Automatic Solenoid Control Valve - XLC 325/425 PN 16/25 | CSA

Automatic Solenoid Control Valve - XLC 325/425 PN 16/25 | CSA
CSA
CSA XLC 325/425 PN 16/25 Upstream pressure sustaining/relief valve with solenoid control. In in-line installation, maintains upstream pressure at a preset value. In bypass configuration, operates as a relief valve for pressure discharge. Operation Main valve is hydraulically actuated, globe type. The pilot circuit modulates opening based on upstream...
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Automatic Solenoid Control Valve - XLC 335/435 PN 25 | CSA - CSA

Automatic Solenoid Control Valve - XLC 335/435 PN 25 | CSA

Automatic Solenoid Control Valve - XLC 335/435 PN 25 | CSA
CSA
CSA XLC 335/435 PN 25 Electromagnetically controlled flow limiting valve for treated water lines, designed to maintain a preset maximum flow regardless of upstream pressure fluctuations. The valve remains fully open when flow is below the setpoint. Operation Flow regulation is achieved via a pilot circuit and orifice plate assembly. The solenoid valve,...
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Automatic Solenoid Control Valve - XLC 350/450 PN 16/25 | CSA - CSA

Automatic Solenoid Control Valve - XLC 350/450 PN 16/25 | CSA

Automatic Solenoid Control Valve - XLC 350/450 PN 16/25 | CSA
CSA
CSA XLC 350/450 PN 16/25 Hydraulically actuated automatic globe valve with solenoid-operated open/close control. Operation is based on an electrical signal to the solenoid in the pilot circuit and is not affected by upstream pressure fluctuations. Operation The valve functions as an on/off control element in water distribution systems. The pilot circuit,...
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Automatic Solenoid Control Valve - XLC 350/450-P PN 16 | CSA - CSA

Automatic Solenoid Control Valve - XLC 350/450-P PN 16 | CSA

Automatic Solenoid Control Valve - XLC 350/450-P PN 16 | CSA
CSA
CSA XLC 350/450-P PN 16 Electromagnetically actuated automatic on/off valve, normally closed, powered by a battery-operated controller. Designed for scheduled flushing of dead-end water mains and for establishing periodic water circulation in distribution networks. Operation Main valve is hydraulically actuated, globe type. Opening is controlled by...
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Automatic Solenoid Control Valve - XLC 353/453 PN 16/25 | CSA - CSA

Automatic Solenoid Control Valve - XLC 353/453 PN 16/25 | CSA

Automatic Solenoid Control Valve - XLC 353/453 PN 16/25 | CSA
CSA
CSA XLC 353/453 PN 16/25 Step-by-step solenoid-operated globe valve, hydraulically actuated. The valve opens and closes progressively in response to electrical signals to the solenoids, with manual emergency operation available in case of power loss. Designed for controlled actuation in process and water distribution systems. Operation This valve is...
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Automatic Solenoid Control Valve - XLC 390/490 PN16 | CSA - CSA

Automatic Solenoid Control Valve - XLC 390/490 PN16 | CSA

Automatic Solenoid Control Valve - XLC 390/490 PN16 | CSA
CSA
CSA XLC 390/490 PN 16 Automatic pump control valve, active check valve type. Isolates the pump from the network during start-up and shutdown, enabling controlled flow variation and minimizing hydraulic transients (water hammer). Operation Installed on the pump discharge line. The pilot circuit synchronizes valve opening/closing with the pump start-stop...
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Automatic Solenoid Control Valve - XLC 392/492 PN16 | CSA - CSA

Automatic Solenoid Control Valve - XLC 392/492 PN16 | CSA

Automatic Solenoid Control Valve - XLC 392/492 PN16 | CSA
CSA
CSA XLC 392/492 PN16 Pump control and upstream pressure sustaining valve, active check valve type. Installed on the discharge side of booster sets or pump stations, it isolates the pump from the network during start-up and shutdown, with controlled response time to minimize hydraulic transients. Operation Valve opening and closing is actuated by solenoid...
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Automatic control valves - Pressure management - XLC 310/410-ND PN 16/25 | CSA - CSA

Automatic control valves - Pressure management - XLC 310/410-ND PN 16/25 | CSA

Automatic control valves - Pressure management - XLC 310/410-ND PN 16/25 | CSA
CSA
CSA XLC 310/410-ND PN16/25 Dual Setpoint Pressure Reducing and Stabilizing Valve The CSA XLC 310/410-ND is a hydraulically actuated globe-type control valve designed for potable water distribution networks. It enables downstream pressure reduction and stabilization at two independently adjustable setpoints. Switching between setpoints is achieved via...
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