Products Steam Traps Mechanical Free Float® (low pressure) Free Float® (med/high pres.) Free Float® for Main Lines With Bypass Valve Large Capacity Float Traps Clean Steam Traps Thermodynamic Disc-Type Thermostatic Thermostatic Temperature Control Clean Steam Traps Condensate Recovery PowerTrap® (Mechanical Pump with Built-in Trap) PowerTrap® (Mechanical Pump) Pressure Reducing Valves With built-in Separator and Trap (for process use) for Process Steam Compact for Steam for Vacuum Steam for Air Without Separator and Trap for Steam Compact for Steam for Vacuum Steam for Air Direct Acting for Steam for Air Safety Valves Control Valves, Controllers Multi-Control Valves with Built-in Separator and Trap for Steam for Vacuum Steam Multi-Control Valves for Steam for Vacuum Steam Control Valves Pneumatic Self-operated Temperature Control Surplussing Valves for Steam Controllers Setpoint MC Vortex Flowmeters Filters Separators for Steam (Built-in Trap) for Air (Built-in Trap) without Built-in Trap Sensors Temperature Sensors Valves Stainless Steel Ball Valves Lock Release Valves Bellows Sealed Valves Check Valves Strainers, Sight Glasses and Other Y-strainers Sight Glasses Automatic Non-freeze Valves Air Vents Rapid Initial Air Vents Automatic Air Vents Super Compact Automatic Air Vents Air Vents for Steam Air and Drain Traps Free Float® Air Traps Air Traps for High Viscosity Condensate Free Float® Drain Traps Peripheral Equipment Manifolds Flash Vessels Steam Compressor Maintenance Instruments Pocket-size Tester Engineering Software Instantaneous Water Heater More Information Steam Theory Document Search Technical Documents Product Solutions CAD 3D Archived Documents Operation Animations Success Stories System Solutions FAQ Water Hammer: The Mechanism Email Magazine Discover steam engineering tips in our bi-monthly newsletter. Sign up now Lock Release Valves Lock release valves to be installed on steam traps J3X and J5X for eliminating the steam-locking problem often associated with cylinder dryers, presses, jacket kettles etc. Operating Pressure Range: 0 - 21 bargOperating Temperature Range: 0 - 220 °C Product Details LR3 / LR5 Specifications No Manual • Max. Operating Pressure: 21 barg• Max. Operating Temperature: 220°C• For J3X and J5X steam traps Always check the specification PDFs for the exact product specification available in your region. Benefits and Features Compact lock release valves for direct installation on steam trap models J3X and J5X - eliminates steam-locking problem simply and easily. - LR3 fits on J3X. - LR5 fits on J5X. - Fine adjustment to keep steam loss low. - Maintenance and repair is possible without removing the valve from the steam trap. Application Areas By installing on J3X and J5X, cylinder dryers, presses, jacket kettles and other steam-using equipment prone to steam-locking.