Z300 Series: Door Closer Underwriter Laboratories Inc. listed. The series is a recently developed economical door closer with many of the engineering characteristics of a top range closer. Compact design. Die cast aluminium housing. Universal application. Non handed for standard, top jamb, or parallel arm installation. Available in 3 strengths. Fixing for both metal and timber doors. Two independent valves providing hydraulic control from 180 degrees of closing sweep and 15 degrees of latching. Fully adjustable after installation. Excellent silver finish. Other colours obtainable on special request. Flat drop bracket for installation on door or door frame when direct fixing is not possible. Hold open arm adjustable for any degree of retention. Parallel bracket for hold-open arms. Special purpose accessories, to cover the most difficult of applications are also obtainable on special order. 
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