221 VALVES PRESSURE RELIEF VALVES Subgroup 760 TECHNICAL FEATURES Body Brass Spring Brass Seat RL Rubber FE Brass Threads FxF Working temperatures RL (rubber seat) -10 ; + 70°C FE (brass seat) -10 ; +200°C Code Size PN Rubber seat Brass seat Inch RL 560 TG 012 FE 110475 1/2" 10 RL 560 TG 034 FE 110476 3/4" 10 RL 560 TG 1 FE 110477 1" 10 RL 560 TG 1 14 FE 110478 1"1/4 10 RL 560 TG 112 FE 110479 1"1/2 10 RL 560 TG 2 FE 110480 2" 10 RL 560 TG 212 - 2"1/2 10 RL 560 TG 3 - 3" 10 APPLICATIONS The adjustable pressure relief valve with conveyed discharge is a device used to protect the system against over-pressures and designed to open, without further aid besides the energy of the fluid, if the internal pressure of the system exceeds the maximum set value. This allows the fluid to discharge through it. The pressure relief valve resets automatically preventing further fluid flow when the internal system pressure returns below the set valve pressure. The pressure relief valve with conveyed discharge meets the essential requirements of the European Directive PED 2014/68/UE (Pressure Equipment Directive).
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