1、閥門存放環境需注意，應存放在幹燥通風的室內，且堵塞通路兩端。

1. Attention should be paid to the storage environment of valves, which should be stored in a dry and ventilated room, and the two ends of the passage should be blocked.

2、閥門應定期檢查，並其上的汙物，塗抹塗防鏽油在其表麵。

2. Valves should be regularly inspected and cleaned of dirt, and coated with rust proof oil on their surface.

3、安裝應用後的閥門，應對其進行定期檢修，以確保其正常工作。

3. After installation and application, valves should be regularly inspected to ensure their normal operation.

4、應查看閥門密封麵是否磨損，並根據情況進行維修或更換。

4. The valve sealing surface should be checked for wear and repaired or replaced according to the situation.

5、檢查閥杆和閥杆螺母的梯形螺紋磨損情況、填料是否過時失效等，並進行必要的更換。

5. Check the wear of the trapezoidal threads on the valve stem and valve stem nut, whether the packing is outdated or ineffective, and replace it as necessary.

6、應對閥門的密封性能進行試驗，確保其性能。

6. The sealing performance of the valve should be tested to ensure its performance.

7、運行中的閥門應完好，法蘭和支架上的螺栓齊全，螺紋無損，沒有鬆動現象。

7. The valve in operation should be intact, with complete bolts on the flange and bracket, undamaged threads, and no looseness.

8、如果閥門使用環境較為惡劣，易受雨雪、灰塵、風沙等汙物沾染，則應該為閥杆安裝保護罩。

8. If the valve is used in a harsh environment and is susceptible to contamination from rain, snow, dust, wind and sand, a protective cover should be installed on the valve stem.

9、閥門上的標尺應保持完整、準確、清晰，閥門的鉛封、蓋帽。

9. The scale on the valve should be kept complete, accurate, and clear, and the lead seal and cap of the valve should be maintained.

10、運行中的閥門，避免對其敲打，或者支撐重物等。

10. During operation, avoid striking or supporting heavy objects on the valve.