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- 中文
EN conceled door closer DC4024-E
Passed GA93 fireproof door closer fireproof certification Complies with CE certification, passed EN1154 (adjustable force 2-4) test standard Spring strength: 2/3/4 force Life is more than 500,000 times Cylinder is made of high-strength cast aluminum Applicable door width: 950MM Applicable door weight: 40-80KG Maximum door opening angle: 132 degrees, door opening direction is not divided into left and right hands Shell material: die-cast aluminum Buffer function: no stop function: slide rail posi
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