High flow check valve for medical gas applications

A check valve for high flow medical gas applications is disclosed. The check valve includes a valve body defining a flow passage therethrough from an inlet to an outlet. A movable plunger is located in the flow passage of the valve body, wherein the plunger is confined in the flow passage between the inlet and the outlet. The plunger includes a finned frustoconical inlet end and a finned frustoconical tip at the outlet of the plunger that acts as a flow directing element that reduces inlet and outlet turbulence at higher medical gas pressures by reducing airflow turbulence within the flow channel. 公开了一种用于高流量医疗气体应用的止回阀。止回阀包括阀体，该阀体限定了从入口到出口穿过该阀体的流动通道。能移动柱塞位于阀体的流动通道中，其中该柱塞限制在入口与出口之间的流动通道中。柱塞包括带翅片截头圆锥形入口端以及在该柱塞的出口处的带翅片截头圆锥形尖端，其用作流动引导元件，该流动引导元件在较高的医疗气体压力下通过减少流动通道内的气流湍流来减少入口和出口湍流。