Norton 9300BC Series Door Closers Reviews
Norton 9300BC Series Door Closers ? Non-handed ? Aluminum alloy housing ? A dual purpose regulating valve permits adjustment of both sweep and latch speed ? Adjustable Power Shoe, supplied standard for a 15% power adjustment Closer bodies are constructed of a special aluminum alloy, carefully selected to accommodate interactive steel compnents and operating conditions. Rack & Pinion Operation provides a smooth constant control of the door through its full opening and closing cycle. 180° door swing can be achieved when door, frame, hardware and arm function do not interfere. Adjustable Backcheck Cushion Valve provides control of the door in the opening cycle, beginning at approximately 75° of door opening. It cushions the door opening, when the door is forcibly opened beyond its pre-adjusted speed limitation.
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Feb 05, 2011 05:33:07
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