High quality Gartner 3620 floor spring.
Standard hydraulic hold open between 85° – 160° approx opening angle which may be engaged or disengaged.
Standard delayed action between 160° – 85° approx opening angle which may be engaged or disengaged
Adjustable closing force can be varied between 20 – 50 nm, up to a door width of 1400 and door weight of 250kg
Adjustment in cement box 10mm lengthwise, 10mm width and 5mm hight
Cement box zinc plated to avoid corrosion
Safety valve prevents overloading
Thermostatic control of closing time
Built in back check
Accessories can be supplied please see below
Please choose which top centre you require and add this to the order notes box on checkout.
Plesae note If no note is made on the top centre required we will send either top centre