4300 series Concealed Door Closer specification:

1.complying with European Standard CE/EN1154,required durability test up to 500,000cycles

2.suitable for timer doow\r with min38mm thickness or metal door with min.34mm thickness

3.extruded aluminum body with harden anodized treatment

4.Body dimension:L230mmxW32mmxH57mm

5.Fixed closing strength:EN2,EN3,EN4

6.Max.opening angle:180degree

7.Operational Temperature:-45 to80 ℃

8.Finished:Silver/gold