L'acqua sotto controllo
Automatic control valves

XLC 320/420-S PN 25

Upstream pressure sustaining valve

The CSA Model XLC 320/420-S is a globe pattern hydraulically operated automatic control valve that, installed in-line, will sustain the upstream pressure to a pre-set and adjustable value regardless of variations in demand.
 
photo of the pressure sustaining valve XLC 420-S
Product features
• Body and cover in ductile cast iron GJS 450-10.
• Internals in ductile cast iron GJS 450-10 and stainless steel.
• Position indicator in stainless steel.
• Circuitry in stainless steel.
• Unit flow regulator device, needle valves and flow stabilizers in stainless steel.
• Seat in stainless steel.
• Painting with fluidized bed technology RAL 5005.
 
Applications
• In derivation from the main line to stabilize the pressure of secondary line and water users.
• On the inlet supply line of storage tanks to stabilize pressure and flow required for the level control.
• On gravity fed supply lines to ensure the minimum pressure to consumers located at higher elevation zones, in case of high consumption of the lower zones.
Standard and connections
• Design and testing according to EN 1074.
• Flanges size from DN 50 to DN 400 mm, higher on request.
• Flanges standard EN 1092/2, different on request.
 
Working conditions
• Pressure range: 10-16-25 bar.
• Minimum working pressure: 0.7 bar acting on the pilot.
• Treated water maximum 70°C, higher temperature on request.