Will this prevent a heavy door from slamming all the way open? Our door opens and swings all the way hitting the siding with any type of wind.

It is adjustable for all types of winds except hurricanes, and for heavy doors, you can make it hard and soft as you want the adjustment, I recommend it.

Can this stop the door from opening beyond 90 degrees?

I think the door can be opened up to 110 degrees

Does it help the door close slower as well? We have a heavy door and it slams. We are looking for something that helps close without slamming.

Yes, the speed for closing and latching door can be adjusted, and won't make the door slam. It applies to the door weight between 45-60 kg (99lb-132lb), and if you need the door hold open, the door and jamb should be on the same plane or not on the same plane but within 5 cm. Thank you.

Can this opener be installed on the inside of a door that opens outward?

I believe it can, you would have to mount the cylinder to the door

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Onarway Automatic Door Closer Adjustable Spring Hydraulic Door Closure

Onarway Automatic Door Closer Adjustable Spring Hydraulic Door Closure

Product ID: 124386631

Details

Brand
Onarway
Colour
Silver
Exterior finish
Anodized
Material
Aluminium
Product dimensions
17.8L x 4W x

🔄500,000 cycle durability

⚙️Adjustable hydraulic speed

🛡️Commercial-grade aluminum alloy

€ 52.90

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Sold byAmazon GreeceDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🚪 Close with confidence—where durability meets precision!

BUILT TO LAST - Crafted from anodized aluminum alloy, resistant to rust, corrosion, and wear—designed for the long haul.
CERTIFIED RELIABILITY - Meets EN1154 standards and endures over half a million cycles—trustworthy performance guaranteed.
UNIVERSAL COMPATIBILITY - Seamlessly fits medium doors weighing 43-58kg, including wood, metal, and framed glass.
HASSLE FREE INSTALLATION - Comes with clear instructions, diagrams, and video support for a smooth, professional setup.
PRECISION HYDRAULIC CONTROL - Effortlessly customize closing speed for ultimate door safety and convenience.

The Onarway Automatic Door Closer is a commercial-grade, hydraulic door closer made from anodized aluminum alloy. It supports medium doors weighing 43-58kg and offers adjustable closing speed for safe, quiet operation. Certified to EN1154 standards and tested for 500,000 cycles, it ensures long-lasting, reliable performance. Easy to install with comprehensive guides, it’s perfect for both residential and light commercial use.

Specifications

ASIN	B0784NNRQQ
Best Sellers Rank	6,248 in DIY & Tools ( See Top 100 in DIY & Tools ) 4 in Door Closers
Brand	Onarway
Colour	Silver
Country of Origin	China
Customer Reviews	4.5 4.5 out of 5 stars (1,296)
Exterior Finish	Anodized Aluminum
Included Components	Door Closer Body×1; Main Arm×1; Screw Stem×1; Screw package×1; Drill x1; Manual & Mounting Template X1
Installation Type	Screw-In
Item Dimensions L x W x H	17.8L x 4W x 6.1H centimetres
Item Weight	3 Pounds
Manufacturer	Onarway
Material	Aluminium
Model Number	Automatic Door Closer
Number of Items	1
Number of Packs	1
Part Number	Automatic Door Closer
Recommended Uses For Product	Residential and light commercial settings, for use with indoor outdoor doors, including wooden metal fire-rated doors.
Shape	rectangular
Size	size 3
Specification Met	ANSI, UL
UPC	606157709539
Unit Count	1.0 count

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Our prices include the product cost, international shipping, import duties, customs clearance, and local delivery charges. We handle all customs and import procedures, ensuring there are no hidden fees upon delivery. PRO members receive additional benefits including free shipping.

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TrustScore 4.5 | 7,300+ reviews

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€ 52.90

Duties & taxes included

In stock

Sold byAmazon GreeceDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Greece.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Anjali K.

The product quality is outstanding. Exactly what I needed for my work.

1 month ago

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Smooth transaction and product arrived in perfect condition.

3 weeks ago

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