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FIG 74

Safety / Relief Valve

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.

Item Details
Body Material
Carbon Steel
Body Coating
Stainless Steel
Pressure Range
Up to PN40
Size Range
Flange Connection
AS2129 Table D, E, F & H / ANSI / DIN
End Connection
Lever or Dome Cap
Safety Relief Valve