性能與特點：

1.體積小，安裝方便、使用簡易。附止逆裝置避免油回流。通用 

于對油量要求不嚴格的潤滑場所。

2.適用于潤滑系統較簡單的機械。

3.油品粘度：20-150cst。

Performance and features:
1.Small size,easy to use and install. With anti-backup device to avoid oil backflow. It is
commonly used in places where lubrication is not strictly required.
2. Applicable to simpler lubrication system.
3. Oil viscosity: 20-150 cst.