Formula Air BADA000012 유지 관리 매뉴얼 - 페이지 10

{카테고리_이름} Formula Air BADA000012에 대한 유지 관리 매뉴얼을 온라인으로 검색하거나 PDF를 다운로드하세요. Formula Air BADA000012 18 페이지. Atex non-return valve

2.2

Connecting the non‐return valve

For the best isolation effectiveness, the non‐return valve needs to be installed in proximity of the

risk zone which it is wanted to be isolated.

Step 1: Connect the inlet and outlet to the duct system with the correct fasteners.

Step 2: Make sure that the indicator is in the correct position (Figure: 11).

Make sure the indicator is inthis position

2.3

CAUTION!

−

It is strictly forbidden to open the inspection panel while the installation is running;

−

During maintenance keep the system disconnected and all the electrical equipment turned

off;

−

The valve should not be placed in an environment that could create a vibration in the

non ‐ return valve;

−

After the event of an explosion, do not unblock or manipulate the non‐return valve until the

explosion is completely extinguished. Check if the non‐return valve and its parts are working

properly. Clean the valve. Replace any parts that are damaged!

When the indicator is in this position, the

Valve is blocked, and it will block the airflow

Figure: 11 Indicator Position