产品概述 / Overview
用于稀油润滑系统，防止油液反向流动。
Check valves prevent reverse oil flow in oil lubrication systems.
Check valves prevent reverse oil flow in oil lubrication systems.
使用与选型 / Service and Selection
适用于 N22–N460 润滑油，按规定油流方向安装。型号数字表示公称通径。
Suitable for N22–N460 lubricating oil. Install in the specified flow direction. The model number denotes nominal bore.
Suitable for N22–N460 lubricating oil. Install in the specified flow direction. The model number denotes nominal bore.
技术资料 / Technical Data
技术图表列出对应系列的规格与结构。按选定型号核对接口及安装尺寸，预留检修空间。产品展示图为示意。
Technical sheets show the corresponding series specifications and construction. Confirm connections and installation dimensions for the selected model and allow maintenance clearance. Product rendering is illustrative.
Technical sheets show the corresponding series specifications and construction. Confirm connections and installation dimensions for the selected model and allow maintenance clearance. Product rendering is illustrative.
