Product Description Heavy Duty Door Closer Aluminium Profile l Applicable for wooden doors and the glass doors of metal frame and wooden frame. l Door closer comply to EN 1154 and GB standard, and fire-rated EN1634 standard. l Maximum 500000 cycles tested without damage or maximum 7 years guarantee. l Single ways opening with smoothly movement, hold-open optional. l Closing speed and latching speed adjustable, BC or DA function optional. l High quality aluminum body with silver painting, or variety colors available.. l Different installation methods to make different closing power sizes. l Germany hydraulic machine oil and sealed rings, keep perfect working in cold temperature. Diagrams: Optional Colors: Packaging & Shipping Company Information