Importance

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Abstract

A pressure protection valve provides more versatility and improved performance over conventional configurations. The pressure protection valve includes a valve body made of a first material (e.g., plastic) and having multiple integrated fluid connections. A valve base made of a second material (e.g., metal) is connected to the valve body at an inlet portion. A valve stem moves within the valve body to open and close the valve. Fluid connections, therefore, are integrated into the valve body with any suitable number and configuration, which therefore is adaptable with any desired valve base configuration. The valve stem is insertable through the inlet portion of the valve body during assembly, which permits overpressure protection to be blowout-proof. An internal side surface of a valve seat of the valve base, and a valve bore of the valve body through which the valve stem moves, have matched diameters to reduce hysteresis effects.

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First Claim