1.Asian fashion style . 2.Throught 500,000 times test. 3.Max door weight:185kg. .

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   inside the frame : width can be adjusted within 4mm between left and right length can be adjusted within 7mm. l it adopts low temperature anti-freezing hydraulic oil and the applicable ambient temperature can reach -30°C-+45°C .

Specifications:

Heavy floor spring 6039 EN5#