D-4550 Series
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D-4550 Series

Heavy-Duty Door Closers

The D-4550 Series is STANLEY’S best performing heavy-duty closer. The non-handed cylinder body is manufactured using R-14 silicon aluminum alloy, providing superior strength and durability on institutional applications. Available in a variety of standard and heavy-duty arm configurations accommodating a broader range of today’s growing architectural application requirements.

Simply STANLEY.

Every STANLEY product is intentionally designed with features that make it more secure, functional or easy to maintain.

Features

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FORGED SILICON ALLOY CYLINDER BODY

Manufactured with automotive grade silicon aluminum alloy to enable superior performance and wear resistance under extreme hydraulic pressures

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Forged heavy duty arms

Forged construction provides superior performance with an aesthetically-pleasing low profile design

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Impact Resistant Cover

Non-handed impact resistant cover providing aesthetically-pleasing design with dependable cylinder body engagement

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Spring power adjustment

Widest range of spring power adjustment to accommodate application needs

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Easy/low profile hydraulic adjustment

V-slot valves enable fine tune hydraulic adjustment
Low profile “O” rings reduce leaks from improper field adjustment

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ALL SEASON FLUID

Eliminates the need for seasonal adjustment

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RETROFIT ADAPTER MOUNTING PLATES

Retrofit adapter plates for use on LCN 4040XP and 4110 mounting hole locations

Resources

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Door Closer Catalog

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D-4550 Sell Sheet

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D-4550 Catalog

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Knowledge Base

We offer a number of online tools that you can access quickly and easily, whenever you need it.

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