Descripción del producto

Commercial & Residential Use, Multi-Size Door Closer. Adjustable Spring Power.
Universal Application, Designed for Standard, Top Jamb, Parallel Arm Installation.
Closing and Latching Speed Controlled by Two Separate Regulating Valves.
Standard Adjustable Back-Check & Delay Action Function.
Precision Heavy Duty Rack (Pistion) & Pinion Gear.
Factory Tested to Meet or Exceed ANSI standard **6.4
Optional FULL/SLIM Steel Cover or PVC cover

Features:
***4 BC/DA:Non-sized closer with spring power adjustable from size 2 through 4, (Barrier Free, ADA).
***6 BC/DA:Non-size closer with spring power adjustable from size 3 through 6. Sult for *5kg**0Kg door weight.
Dual Valve, Closing and Latching Speed Controlled by Two Separate Regulating Valves.
Needle Bearing Application For Smooth Operation.
Rack and Pinion Operation Contained in a high Tensile Precision Cast Aluminum Housing for the Highest Quality.
High Quality anti-Freeze Hydraulic Fluid for High lubricity and Constant Lubrication, Suit for Exterior Environment (Temperature **0℃ to *0℃)
Back Check Controlled by Separate Regulating Valve.
Standard Delay Action Controlled by Separate Regulating Valve. Standard Packing include Parallel Arm Bracket
Available in Black, Silver (Alum), Antique Bronze (Duro) and Gold. Other color upon request.

Classification & Glossary
***4 BC/DA:size ***4
***6 BC/DA:size ***6
BC:Adjustable Back Check
DA:Adjustable Delay Action

COVER
Full steel cover
Slim steel cover
PVC plastic cover

FINISH Available in steel cover:
Polished Stainless Steel
Polished Brass
Satin Nicker