DOOR CLOSER WHITE

Qiang Quan Lang Heavy-Duty Hydraulic Door Closer

Professional-grade heavy-duty hydraulic door closer by Qiang Quan Lang, engineered for smooth, controlled automated door closure on commercial and residential timber or metal doors. Featuring a dual-speed regulation system and anti-freezing hydraulic oil, this robust closer ensures reliable performance across diverse environmental conditions.

Product Details:

• Brand / Series: Qiang Quan Lang Control Series

• Type: Heavy-Duty Hydraulic Door Closer

• Design Features: Dual-speed regulation with anti-freezing imported hydraulic oil

• Lifespan: Tested for an operational lifespan greater than 500,000 to 800,000 cycles

• Warranty: 5-year product guarantee (operates normally down to minus 45 degrees Celsius)

Key Benefits:

• Controlled Operation: Equipped with dual-speed adjustment to prevent slamming and ensure smooth, secure closing.

• Extreme Temperature Resilience: Built with anti-freezing hydraulic fluid designed to function reliably even in sub-zero environments down to minus 45 degrees Celsius.

• Long-Term Durability: Engineered for heavy-duty usage with an extended lifecycle exceeding half a million operational cycles, backed by a 5-year warranty.