Category: Tools & Home Improvement Vendor: Part Number 1912/4 Product Description : One-Size Aluminum Housing Closer is housed in special aluminum alloy shell selected for its ability to provide optimum performance. One body size provides simplified templating and installation. Adjustable Spring Power Clock-type coil spring allows incremental adjustment of closer power to meet individual installation needs. The closing force can be increased by at least 50% over the minimum closing force for each closer size. A spanner wrench is provided with each closer for power adjustment. Rack and Pinion Design Provides a smooth constant control of the door through its full opening and closing cycle. Adjustable Closing Speed/Latch Speed A dual-purpose regulating valve, hex-key operated, permits independent adjustment of both sweep and latch speed. Adjustable Backcheck Cushioning An independent regulating valve is provided for increasing or decreasing the strength of the backcheck cushioning with a 1/8" (3mm) hex key. Adjustable Power Standard Installation Jam
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