1）雨淋报警阀或预作用报警阀的电磁阀入口处未安装过滤器，水中杂质会影响电磁阀的启闭；

1) No filter is installed at the inlet of the solenoid valve of the deluge alarm valve or pre action alarm valve, and impurities in the water will affect the opening and closing of the solenoid valve;

2）与其它报警阀并联安装的雨淋报警阀或预作用报警阀，其控制腔进水管路入口未安装止回阀，当报警阀入口水压产生波动时，可能引起其他雨淋报警阀或预作用报警阀的误动作；

2) For the deluge alarm valve or pre action alarm valve installed in parallel with other alarm valves, the inlet of the water inlet pipeline of the control chamber is not installed with a check valve. When the water pressure at the inlet of the alarm valve fluctuates, it may cause the misoperation of other deluge alarm valves or pre action alarm valves;

3）雨淋报警阀或预作用报警阀组的复位阀，在系统正常运行时设在常开状态，造成报警阀防复位功能失效，甚还会导致报警阀无法正常开启，无法供水灭火；

3) The reset valve of the deluge alarm valve or pre action alarm valve group is set in the normally open state during the normal operation of the system, resulting in the failure of the anti reset function of the alarm valve, or even the failure of the alarm valve to open normally and the failure of water supply and fire extinguishing;

4）预作用报警阀组配套的空压机组、空气维持装置安装不符合要求；

4) The installation of air compressor unit and air maintenance device supporting the pre action alarm valve group does not meet the requirements;

5）安装在喷淋保护现场的报警阀组，未设置防护围栏和警示标志，容易被碰撞甚损坏；

5) The alarm valve group installed on the spray protection site is not provided with protective fence and warning signs, which is easy to be collided or even damaged;

6）报警阀组安装高度太低或太高，操作不方便；

6) The installation height of alarm valve group is too low or too high, which is inconvenient to operate;

7）报警阀安装部位室内地面未设置排水设施；

7) No drainage facilities are set on the indoor ground where the alarm valve is installed;

8）川消报警阀进出口的控制阀采用普通涡轮蝶阀，且未设置锁定阀位的锁具；

8) The control valve at the inlet and outlet of Chuanxiao alarm valve adopts ordinary turbine butterfly valve, and the lock for locking the valve position is not set;

9）自动喷水灭火系统设置2个及以上报警阀组，未采用环状供水管道；

9) The automatic sprinkler system is provided with 2 or more alarm valve groups, and the annular water supply pipeline is not used;

10）环状供水管道上设置的控制阀采用普通涡轮蝶阀，且未设置锁定阀位的锁具。

10) The control valve set on the annular water supply pipeline adopts the ordinary turbine butterfly valve, and the lock for locking the valve position is not set.

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