Pressure Relief/Sustaining Valves protect pumps and water distribution systems from two extreme situations:
• When installed off-line, they relieve damaging excessive pressure.
• When installed in-line, they sustain minimum back-pressure thus prioritizing pressure zones, preventing line emptying & pump overload.\
Nominal Size
DN40-900
Nominal Pressure
PN10-40
Face to Face
-
Body Material Options
Ductile Iron
Carbon Steel
Stainless Steel
Nickel Aluminum Bronze
Accessories
-
Flange Standards
EN 1092/2
BS 4504
BS10E
ANSI