: Establishes the maximum allowable working pressures at various temperatures based on the material of construction.

In this post, we break down the essentials of MSS SP-99, explaining its scope, applications, and why it is critical for quality control in modern instrumentation.

MSS SP-99 establishes minimum performance criteria rather than limiting proprietary designs. MSS SP-99 - Manufacturers Standardization Society

: Applicable designs include needle valves, ball valves, plug valves, check valves, manifold valves, and packless valves. Excluded Scope