Fire door temperature resistant test device is prevented to pressure adjustable

• Main Authors: ZHANG ZEJIANG, TANG SHENGLI, HE SHIJIA
• Format: Patent
• Language: Chinese; English
• Published: 23.03.2018
• Subjects: INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES; MEASURING; PHYSICS; TESTING

The utility model relates to a prevent fire door temperature resistant testing technique field, disclose a fire door temperature resistant test device is prevented to pressure adjustable, including the laboratory, circulating fan, hot swap structure, air feeder and change -over valve, hot swap structure and circulating fan are fixed to be set up in the laboratory, the fixed intake pipe that sets up of laboratory's antetheca, intake pipe and laboratory's intercommunication, the fixed actuating mechanism who is connected with circulating fan that sets up in the antetheca outside, the hou bi of laboratory installs and prevents fire door, two intercommunications steerable its interface of change -over valve no. 1 and the interface and interface no. 3 and the four intercommunications interface,four intercommunications three intercommunications interface no. 2 and the interface and interface no. 1 and the interface or four interfaces all do not have the intercommunication, interface no. 1 and atmosphere intercommun