What are door closer sizes?
Most closers are adjustable, but the most common are a size 4 for an external 36 inch wide commercial door, and a size 3 for an internal commercial or residential application. There are some applications that may require a special type of closer, such as a hold open feature, positive or spring stop.
Do door closers come in different lengths?
Screen door closers come in different lengths, so it’s important to measure the width and height of the doorframe and doorway. Then, compare the measurement to the size of the door closer to find the proper fit.
What do the grades mean on door closers?
Among other specifications for each grade, door closers are subjected to a “cycle count”: Grade 1 = 2,000,000 cycles with a minimum efficiency of 60 percent. Grade 2 = 1,000,000 cycles with a minimum efficiency of 60 percent. Grade 3 = 500,000 cycles with a minimum efficiency of 50 percent.
What does Backcheck mean on a door closer?
Backcheck: An optional feature in hydraulic door closers that prevents the door from opening too fast and slamming against the wall or other objects. The opening swing is slowed at a certain degree and controls the speed of the door during the balance of its opening cycle.
What is the best door closer for commercial use?
Medium Duty Designer Commercial Door Closer – LYNN Hardware DC6003 (US10B Dark Bronze) Surface Mounted, Cast Aluminum – UL 3 Hour Fire Rated, Size 3 for Residential and Light Commercial Doors 4.4 out of 5 stars144 $109.20$109.20
How much does a Hager door closer cost?
Amazon’s Choicefor door closers commercial Hager – 5300M16ALM 5300 Series Aluminum Grade 1 Heavy Duty Surface Door Closer, Multi-Mount, 1–6 Adjustable Spring Size, Sprayed Aluminum Finish 4.6 out of 5 stars153 $71.99$71.99 Get it as soon as Tue, Mar 1 FREE Shipping by Amazon More Buying Choices$50.94(6 used & new offers)
How many onarway automatic door closers are left in stock?
Only 11 left in stock – order soon. Onarway Automatic Door Closer Hold Open Size 3 Parallel Installation Spring Hydraulic Door Closure Aluminum Alloy Body, for Residential and Commercial Use, for Middle-Weight Door 4.1 out of 5 stars55
How much does a modern automatic door closer cost?
Modern Automatic Door Closer – Sexy and Slick Commercial Grade Hydraulic Operated – for Residential/Commercial Use (Standard) 4.1 out of 5 stars945 $34.99$34.99 This highly efficient door closer ensures that no one ever smashes your door, even if they try to. The powerful hydraulic mechanism enables helps control the door.