DescriptionNewstar Floor Hinge Hs-522Z1. High quality casting iron floor spring body. 2. High quality coating for the body,stainless steel cover. 3. Floor spring comply to EN 1154. 4. Fire-rated tested. CE approved for D-948. 5. DORMA type and MAB type is optional. 6. Double action opening. Hold open at 90°. 7. Applicable for glass door 8-12mm,wooden door, iron door, aluminium door. 8. 2 closing speed adjustable. 9. 500000 times tested without damage.Performance Specification:1.Closed at 0°2.With 90° stop-device3.Max open degree 105°4.0°-90°back to 0° automatically5.Buffer area: 105°-90°6. 2 section speed adjustment valve: closing speed adjustment valve:90°-20°latching speed adjustment valve:20°-0°Specification:Model No.Floor spring HS-522ZRange of temprature-40°C~ 40°CLocation deviation of closing door±0.3°Maximum closing time≥ 46sMinimum closing time< 3sClosing moment21N.mOpening moment42N.mMax Door weight120KgMax Door height210-240cmMax door width120cmRunning timesMore than 500,000 cycle
