The John 74 Safety Relief Valve is engineered with a pivoting disc for precise alignment to the nozzle, ensuring optimal operation. Its top guiding, unobstructed seat bore, and full lift capability guarantee the highest discharge rates, offering maximum plant protection. To handle substantial flows effectively, the inlet pipework should maintain a maximum inlet pressure drop of 3%. This valve is available in both conventional and balanced bellows types, featuring a specialized disc design tailored for liquid applications, enhancing overall valve performance.
