Marelli Superior Automatic Door Closer Door Push Spring

Marelli superior automatic door closer (door push spring, door piston) marelli superior automatic door closer has revolutionized the sector and solved many problems. * normally you had to either get hydraulic door closers or door push back springs to close your doors. You eliminate the drawbacks of both with this product. The new model will look very stylish on your door with its gray color and will not rust, and the problem of breaking when opened more than 90 degrees, as in the old model, has been eliminated. It can now also be used on doors that open both inward and outward with the same apparatus. * hydraulic door closers can not be applied to light weight doors, even if you apply it, it will close the door very fast and you may find it difficult to open the door. However, you can attach this product to fly screens, wooden doors, and lightweight aluminum doors in any way you like. In addition to this, the prices of hydraulic door springs are very high, whereas the marelli automatic door closer is half the price of even the cheapest of these springs, and one-fifth the price of expensive products. So it is also very affordable economically. * also, hydraulic door springs cannot be used on outward-swinging doors, or they are applied outside and therefore at risk of being stolen, but this product can be used for outward-swinging doors. And since it is used from the inside, there is no risk of it being stolen. * also, the service life of hydraulic door springs is shorter because they operate with oil. This product runs on gas and will not give you problems for many years. It has a ce certificate. * door push springs are much worse in terms of operation. Because it closes the door too quickly, it constantly slams, eventually damaging both the door and the lock. Also it is very hard to use, hard to open and very quick to close. In addition to this, the prices of door push springs are very close to this product, so they do not offer an advantage in terms of price. * also, door push springs look very bad and cannot be applied to every door. Marelli superior automatic door closers eliminate all these drawbacks: they come with separate mechanisms specifically designed for inward and outward swinging doors. - the door closing speed can be adjusted via the "speed adjustment screw". - made of aluminum material, this plunger is rust-proof. - prices are much more favorable than those of similar products. - the most suitable solution for lightweight doors, screen doors, aluminum doors, wooden doors. It is a patented product. It has a ce certificate. - it is super easy to install, easily apply within 10 minutes. * the product is suitable for doors weighing 20-25kg, do not use heavy iron doors * note: the new model product has changed from the old one, it looks much more fashionable at present, and it's much easier to assemble. There is a difference with the product in the following videos, that product is the old model. But the working system is the same. Video of the new product will be taken as soon as possible.