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They disable the self-closing function of a fire protection door in a controlled way. This means that they keep fire protection doors open, but automatically release them in the event of a fire so that door closers can do their job.
WE ARE DORRENHAUS
WE STARTED AS A FAMILY BUSINESS, OVER 140 YEARS AGO!
Dorrenhaus brand was originated in 1872 in Germany,with the development and progress, Dorrenhaus successor decide to invest door closer factory in China.In 2011,Zhejiang Dorrenhaus Hardware Industrial Co.,Ltd was formally established.
Certification | BHMA Certified ANSI A156.4 ADA Compliant ANSI A117.1 Accessibility Code UL/cUL Listed for up to 3 hours UL10C Positive Pressure Rated UL10B Neutral Pressure Rated |
Spring Power | Adjustable Size 1-6 |
Durability | 2000,000 cycles above |
Valves | Adjustable latching and sweep speed valves |
Adjustable backcheck valve – Standard Delayed action valve – Optional Staked valves – Standard |
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Material | Aluminum Alloy The recommended temperatures for prolonged closer use is between 40° F (-42° C) and 150° F (66° C) |
Cover | Full plastic cover - Standard |
Slim line plastic cover – OptionalFull size plated metal cover – Optional | |
Spring | Double heat treated steel, tempered springsPrecision machined, heat treated steel piston |
Arms & Brackets | Tri-Pack – Regular, parallel arm, and top jamb mount – Standard15% power adjustment in standard arm for regular and top jamb mount |
Optional Arms |
Hold Open Arm Extra Heavy Duty Hold Open Stop Arm Extra Heavy Duty Stop Arm Extra Heavy Duty Arm Extra Heavy Duty Hold Open Arm Extra Heavy Duty Cushion Stop Arm Extra Heavy Duty Hold Open Cushion Stop Arm |
Hand of door | Non handed |
Fasteners | Self-reaming,self-tapping wood and machine screwsSex nuts and bolts |
Door Thickness | 1-3/4″ (44 mm)1-3/8” – 2-1/4” (36 mm – 57 mm) – Optional |
Finish | Silver, Brown, White,Black, Others upon request. |
Warranty | 10 Years |
Cross reference | Norton 1600 series, LCN 1260, Sargent 1130, Dorma 7400 Series, Yale 50BC series, Arrow 900N series, Stanley D1650, Lawrence LH5016. |
The D4016 Series features a single-piece cast aluminum body and a 1-3/8” heat-treated steel piston, a heat-treated pinion and staked valves. The D4016 Series standard door closer is certified ANSI/BHMA A156.4 Grade 1, is UL listed and is backed by a 10-year warranty.
Recommended | Recommended Max. | |||
Model # | Spring power | Door Weight | Door Leaf Width (mm ) | Notes |
D4016 | 1-6 | 20-150 KGS | 1500 mm | Max 250lbs |
*In case of unusually high or heavy doors, windy or draughty conditions, or special installations, a large power size of door closer should be used.
Door closers pull doors closed once they’ve been opened and released. They are used on fire doors to help prevent the spread of flames and smoke in the event of a fire. They are also used to keep out drafts and regulate room temperature in interior spaces.
Dorrenhaus comprises R&D center, testing laboratory,manufacturing center and sales dept, has over 10 in-service engineers and research specialists. Since it was founded, developing High performance door control products has always been the objective of Dorrenhaus. Dorrenhaus people have continuously tried to improve product quality, introducing oversea high and new technical equipment,giving our company good technical capabilities. Moreover, all of our R&D engineers has more than 20 years experience in door closer industry.
go on to boost, to be certain item quality in line with market and buyer standard demands. Our firm has a excellent assurance procedure happen to be established for Factory best selling D2024 European Style Ce Listed Size Adjustable Aluminum Hydraulic Automatic 180 Degree Commercial Door Closer, To better expand market, we sincerely invite ambitious individuals and companies to join as an agent.
Factory best selling China Door Closer and European Style Door Closer, Establish long term and win-win business relationships with all our customers, share the success and enjoy the happiness of spreading our products to the world together. Trust us and you will gain more. Please feel free to contact us for more information, we assure you of our best attention at all times.