Element largest open 105degrees, 90 degrees bidirectional position, cloesing speed is Two-stage,built-in reducing valve.

Model NO.	Outer size of floor spring	reference size of door plank	Max withstanding weight
S-222	305*146*52mm	1250*2100mm	105-150kg

Element largest open 105degrees, 90 degrees bidirectional position, cloesing speed is Two-stage,built-in reducing valve., it can adjust closing speed at different temperature, ensure that the using time is more than 200,000.

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floor spring floor hinge manufacturing factory