永兴五金地弹簧开得易016地弹簧不锈钢地弹簧

价格: 1.00
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性能描述
PERFORMANCE SPECIFICATION
■0°门扇关闭 ■Closed at 0°
■90°可定位 ■With 90°stop-device
■大开启角度135° ■MAX open degree 135°
■0°-90°可自动复位至0°   ■0°-90°back to 0°automatically
■105°-90°为缓冲区 ■Buffer Area control:105°-90°
■关门为两段调速: ■2 section speed adjustment valve:
■一速90°-20° ■closing speed adjustment valve:90°-20°
■第二速20°-0° ■latching speed adjustment valve:20°-0°

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