1.

  is used in places without suspended ceilings, and the distance from the ceiling is 75MM-150MM. The top cover plays a part of the heat collection function, and about 85% of the water is sprayed downward. Mae'r   head is arranged under the suspended ceiling. Mae'r 

2.

yr  a     

3.

Mae'r  yn barabolig o ran siâp, yn chwistrellu 80 ~ 100% o gyfanswm y dŵr i lawr, ac mae rhywfaint o'r dŵr yn cael ei chwistrellu i'r nenfwd. Mae'rcrogdlws 

4.

The sprinkler head shall be arranged under the roof or ceiling where it is easy to contact the hot air flow of the fire and is conducive to uniform water distribution. Pan fo rhwystr ger y chwistrellwr, dylai gydymffurfio â'r fanyleb, neu ychwanegu chwistrellwr i wneud iawn am y dwysedd chwistrellu. This is one of the precautions when installing the fire sprinkler head.