Double Springs Heavy Duty Floor Spring
Maximum opening angle
Maximum door width
Max Door Weight
* Adjustbale Screws * CNC Head * Ajust Floor Spring Position * Brand New Iron Box
* Double Springs *Casting Iron Main Part * CNC Head * Two Speeds Adjustment
Built-in pressure relief valve protects the closer from rough use. Closer mechanism totally immersed in hydraulic fluid.
Use low temperature antifreeze hydraulic oil ,ensuring the normal door-closing speed when the temperature is fifty degree below zero degree.
Suitable for timber ,metal and tempered glass doors.
Over 500,000 cycles of circular testing, quality is ensured
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