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The International Door Closer 521 Regular Arm Forearm measures 9-1/2" loop to loop in the shortest position, and 14" when it is the fully extended . The loop on the left side is 3/8" diameter. The hole spacing on the right hand side of the picture shoe is 1-3/4".

International part # 521

The International Door Closer 852P Series is common closer we see on a lot of storefront aluminum framed doors.  This is one of the last closers out there to still have sizing.  By sizing I mean each door closer has a spring size of different tension so the closer is selected depending on door size and wether it is interior or exterior.  These days we usually use this door closer as a replacement of existing doors.   The closer features two adjustment valves for closing and latching speeds.  The cylinder is constructed of precision cast aluminum.  If you have an exterior door I would recommend the 880 Series, which is the same door closer, but has a back check valve.  The back check valves will slow the door down if it is caught by a gust of wind.  It ships with a regular arm and parallel arm bracket.  This door closer is for use on doors up to 32” interior or 28” exterior doors.

3/4" x 7-3/8" mounting holes

The International Door Closer 851P Series is not a common closer we see on a lot of storefront aluminum framed doors.  This is one of the last closers out there to still have sizing.  By sizing I mean each door closer has a spring size of different tension so the closer is selected depending on door size and wether it is interior or exterior.  These days we usually use this door closer as a replacement of existing doors.   The closer features two adjustment valves for closing and latching speeds.  The cylinder is constructed of precision cast aluminum.  If you have an exterior door I would recommend the 880 Series, which is the same door closer, but has a back check valve.  The back check valves will slow the door down if it is caught by a gust of wind.  It ships with a regular arm and parallel arm bracket.  This door closer is for use on doors up to 32” interior or 28” exterior doors.   The 851 meets the size 1 ADA requirements.

3/4" x 6-3/8" mounting holes

The International Door Closer 1803BC-P - Fixed Spring Closer is one of the heaviest duty closers in the International product line.   It offers a 10 year warranty, and is Grade 1 rated, which is the highest rating you can have.  The closer features three adjustment valves for closing,latching speeds and one for back check.  The cylinder is constructed of precision cast aluminum.   It ships with a regular arm and parallel arm bracket.   This is one of the last closers out there to still have sizing.  By sizing I mean each door closer has a spring size of different tension so the closer is selected depending on door size and wether it is interior or exterior.  These days we usually use this door closer as a replacement of existing doors.   This door closer is for use on doors up to 42” interior or 36” exterior doors.

3/4" X 9-1/16" Hole Spacing

The International Door Closer 1805BC-P - Fixed Spring Closer is one of the heaviest duty closers in the International product line.   It offers a 10 year warranty, and is Grade 1 rated, which is the highest rating you can have.  The closer features three adjustment valves for closing,latching speeds and one for back check.  The cylinder is constructed of precision cast aluminum.   It ships with a regular arm and parallel arm bracket.   This is one of the last closers out there to still have sizing.  By sizing I mean each door closer has a spring size of different tension so the closer is selected depending on door size and wether it is interior or exterior.  These days we usually use this door closer as a replacement of existing doors.   This door closer is for use on doors up to 54” interior or 48” exterior doors.

3/4" X 9-1/16" Hole Spacing

International 8630S Surface Vertical Rod Device-Grade 1

DC 8000 Series Exit Devices are heavy duty and designed for heavy traffic applications. The devices are Underwriters Laboratory (UL, USA and ULC, Canada) listed for Panic Exit Hardware or Fire Exit Hardware, and are certified to ANSI A156.3-2001 Grade 1.

Non handed, 4-1/2" minimum stile width. Smooth Surface.

For doors 29" to 36" wide order the Size 30 to 36"
For doors 36" to 48" wide order the Size 48"

The International Door Closer 1802-P - Fixed Spring Closer is one of the heaviest duty closers in the International product line.   It offers a 10 year warranty, and is Grade 1 rated, which is the highest rating you can have.  The closer features three adjustment valves for closing,latching speeds and one for back check.  The cylinder is constructed of precision cast aluminum.   It ships with a regular arm and parallel arm bracket.   This is one of the last closers out there to still have sizing.  By sizing I mean each door closer has a spring size of different tension so the closer is selected depending on door size and wether it is interior or exterior.  These days we usually use this door closer as a replacement of existing doors.   This door closer is for use on doors up to 36” interior and is not recommended for exterior doors.

3/4" X 9-1/16" Hole Spacing