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Feature:l the scylinder is made of high quality cast iron .l provided with door stop function and explosion--proof device .
l max opening angle in each direction .l standard can be chosen .
l suitable for wooden ,glass and aluminum ect,all kinds of doors .l it adopts low temperature anti-freezing hydraulic oil and the applicable ambient temperature can reach -30°C-+45°C .
Specifications:
China Single Cylinder floor spring 6033 EN6#