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d and c

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Exit Device Durability Test Equipment: and lever mounted, rotate the handle to release latch via motor, via air cylinder and driving arm push door to 90 degrade opening and release door to close under action of door closer. ...

Performance Test System of Floor Spring: and spindle as top pivot, and slider to adapt door height. 6． Hand operated hydraulic cylinder to lift up test door. 7． Installation: Floor concealed. 8． Force meter: 500N (50kg), reading accuracy ...

Smoke Heat Detector Test Tunnel: and automatically control the smoke to be kept within the range of + / - 0.003dB/m 12． The temperature rise rate of smoke fire alarm test: 0.2 K /min, 1 K /min, 3 K /min, 5 K /min, 10 K /min, 20 K ...

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Exit Device Durability Test Equipment