door closer adjustment TD-828 Alu. / silver.white

door closer Suitable for the door width 700-1100MM Suitable for the door bearing 55-90KG The rang of the door close speed adjust1800 -150 The rang of lock close speed adjust150 - 0 0 Set up two absolute adjust speed,control all1800hydraulic pressure after adjust two absolute valve, and then can get the best speed of close the door and insure close the lock safety After special design,use imported high freeze and wearableoil,lighten the strength when open and close the door.Make it more easy and smooth High strength and leak prevent configuration were used for extend the life of it.As it can avoid mangle and oil leak by strength or strong wind from outside High grade aluminium alloy die-casting machine,three shining painting protect for avoid oxidation Adopt the technology of absolute and diaphanous carve,excuse rasp of the die-casting With the stop function(900pitch)and(180 0withou pitch)