anyone know the screw hole dmensions?

The screw hole spacing on the door closer body is 9-1/6 inches center to center.

Is this model for exterior use as well?

per the manufacturer: The Dynasty Hardware 4000 Series Commercial Duty Door Closer is a great alternative for use on interior and light weight exterior door applications.

Our problem is that our door sometimes slams shut quickly and loudly if the wind is behind it. Will this device help stop that from happening? We are looking for something to dampen the speed at which it closes.

Yes it will, that is the very reason we bought it, our old one was broken and the door kept slamming! This appears to be working very well, no slamming and it slows the close down

What is the maximum opening angle allowed by this Closer?

This door closer can be installed so it opens 180 degrees. In order to open to 180 degrees the closer must be mount in the parallel arm style mounting.

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Dynasty Door Closer, Commercial Grade Size 4 Spring, Hydraulic Automatic Series 4000 Door Closer Sprayed Aluminum

Dynasty Door Closer, Commercial Grade Size 4 Spring, Hydraulic Automatic Series 4000 Door Closer Sprayed Aluminum

Product ID: 362323313

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Details

Material
Aluminium
Brand
Dynasty
Colour
Sprayed
Exterior finish
Aluminium
Item weight
2.71 Kilograms

🏢ANSI Grade 2 Commercial Duty - UL Listed reliability

🔧Dual independent valves for precise sweep & latch speed control

⚙️Size 4 Spring Tension - handles doors up to 187 lbs

Description

🚪 Close the deal with confidence — Dynasty Door Closer keeps your space secure and stylish!

SLEEK SPACE SMART - Compact sprayed aluminum body blends modern aesthetics with minimal door space usage
UNIVERSAL FIT ZERO HASSLE - Non-handed design fits right or left swing doors seamlessly
VERSATILE MOUNTING OPTIONS - Supports regular arm, top jamb, or parallel arm installation with included hardware for any door setup
BUILT TO ENDURE BACKED TO LAST - Commercial-grade durability with a 5-year factory warranty for peace of mind
PRECISION CONTROL AT YOUR FINGERTIPS - Two independent valves let you customize sweep and latch speeds for smooth, quiet closing

The Dynasty Hardware 4000 Series Door Closer is a commercial-grade, size 4 spring tension closer designed for interior and lightweight exterior doors up to 187 pounds. Featuring a non-handed design, dual independent valves for precise speed control, and a durable sprayed aluminum finish, it offers versatile mounting options and a 5-year warranty, making it ideal for hotels, apartments, and residential projects seeking reliable, space-saving door control.

Specifications

Installation type	Screw-In
Recommended uses for product	Closing interior and lightweight exterior doors in commercial and residential settings, providing a space-saving alternative for projects requiring multiple door closers.
Specification met	ANSI, UL
UPC	636134553718
Manufacturer	Dynasty Hardware
Part Number	DYN-4000-ALUM
Product Dimensions	24.89 x 7.62 x 7.11 cm; 2.71 kg
Item model number	DYN-4000-ALUM
Finish	Sprayed Aluminum
Item Package Quantity	1
Plug profile	Non-Handed for Regular Arm, Top-Jamb or Parallel Arm Installation
Included Components	Door Closer Body, Door Closer Arm, Fasteners, Parallel Arm Bracket, Pinion Cap, Installation Manual, Mounting Template
Batteries included?	No
Batteries Required?	No
Item Weight	2.71 kg

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