Description Khas Floor Hinge Hs-222Z 1. 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 galss 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-device 3.Max open degree 105° 4.0°-90°back to 0° automatically 5.Buffer area: 105°-90° 6. 2 section speed adjustment valve: closing speed adjustmetn valve:90°-20° latching speed adjustment valve:20°-0° Specification: Model No. Floor spring HS-222Z Range of temprature -40°C~ 40°C Location deviation of closing door ±0.3° Maximum closing time ≥ 46s Minimum closing time < 3s Closing moment 21N.m Opening moment 42N.m Max Door weight 120Kg Max Door height 210-240cm Max door width 120cm Running times More than 500,000 cycle