Product name: Ruima Crown Floor Spring

Upper limit door width: 800 * 2000MM

Model: H-220A

Upper limit door weight: 80KG

Material: cast iron

Characteristics: 500000 times of opening and closing without damage

Applicable: Plastic steel doors/wooden doors/glass doors

Installation technical requirements:

When installing a glass door, the upper and lower axes must be on the horizontal and vertical lines, otherwise it will affect the service life of the host

Surface treatment: mirror light/wire drawing

2. Frameless glass doors must use tempered glass;

3. When adjusting the speed screw, be careful not to rotate the speed screw until it falls off, causing hydraulic oil leakage in the body to malfunction,

This situation is not covered by insurance;

4. Do not grind the taper of the inclined surface of the spindle cam to prevent the glass door from making noise and damaging others