Dormakaba SP2 Axle Adaptor Ext...
IN STOCK (leaves warehouse same day if ordered before 3pm ET)
$116.00
$88.74
Image coming soon

Dormakaba SP2 Axle Adaptor Extension for ED900 Series Door Closers

(No reviews yet) Write a Review

Model: SP2

In Stock (leaves warehouse same day if ordered before 3pm ET)

$116.00
$88.74
Adding to cart… The item has been added
Free Shipping on orders over $199
We price match and offer bulk discounts! Click Add to Quote. It's quick and easy.
✨
Earn points with this purchase! You can redeem points for giftcards, iPads, XBox's and more. View Rewards
Free Keying on all locks
You may also like

Dormakaba SP2 Axle Adaptor Extension for ED900 Series Door Closers

The Dormakaba SP2 Axle Adaptor is a precision-engineered replacement part designed as an extension adaptor specifically for Dormakaba ED900 Series door closers. Purpose-built for commercial door closer applications, this component ensures proper axle alignment and connection within the ED900 Series mechanism. Sourced directly from Dormakaba, the SP2 maintains the manufacturer's fit and performance standards required for reliable door closer operation in professional commercial environments.

Key Features

  • Purpose-Built Compatibility: Engineered specifically for the Dormakaba ED900 Series door closers, ensuring precise fit and reliable performance within the existing mechanism.
  • Extension Function: Serves as an axle extension adaptor, enabling proper reach and engagement within the door closer assembly for correct operational geometry.
  • OEM Replacement Part: Genuine Dormakaba replacement component maintaining original manufacturer specifications for consistent, dependable performance.
  • Commercial-Grade Construction: Designed to meet the demands of commercial door closer applications where durability and consistent operation are essential.
  • Direct Fit Installation: Engineered to integrate seamlessly with compatible ED900 Series hardware, minimizing installation time and reducing the need for additional modification.
  • Dorma Door Closer Parts and Accessories: Part of the comprehensive Dormakaba door closer parts and accessories lineup, supporting long-term serviceability of ED900 Series installations.

Technical Specifications

  • Department: Door Hardware
  • Product Category: Mechanical Locks
  • Product Group: Parts and Accessories
  • Subcategory: Parts and Accessories
  • Product Subgroup: Parts and Accessories
  • Product Type: Door Closer Parts
  • Parts and Accessories Type: Replacement Parts
  • Commercial/Residential: Commercial
  • Product Model: SP2
  • Features: Dorma Door Closer Parts & Accessories

Typical Applications

  • Commercial Office Buildings
  • Educational Facilities
  • Healthcare Institutions
  • Government and Municipal Buildings
  • Retail Establishments
  • Industrial and Warehouse Facilities
  • Multi-Tenant Residential Properties

Why Dormakaba SP2?

Dormakaba door closer parts and accessories are manufactured to exact OEM standards, ensuring that serviceable components like the SP2 Axle Adaptor restore full functionality to ED900 Series door closers without compromise. Engineered for commercial applications, this replacement part delivers the precision fit and long-term reliability that facility managers and installers depend on to keep high-traffic door openings operating smoothly.

Manufacturer Resources

Product Specs

Department:
Door Hardware
Product Category:
Mechanical Locks
Product Group:
Parts and Accessories
Subcategory:
Parts and Accessories
Product Subgroup:
Parts and Accessories
Product Type:
Door Closer Parts
Parts and Accessories Type:
Replacement Parts
Commercial/Residential:
Commercial
Product Model:
SP2
Features:
Dorma Door Closer Parts & Accessories

Dormakaba SP2 – Frequently Asked Questions

1) What extension lengths does the Dormakaba SP2 axle adaptor come in?
Three extension lengths: 3/4 inch, 1-1/8 inch, and 2-3/8 inch. The length you need depends on how far the closer spindle has to reach through the arm or mounting plate on your opening, so measure the gap on the existing installation before picking one.
2) Will the SP2 axle adaptor fit a Dormakaba closer other than the ED900 Series?
No. The SP2 axle adaptor extension is built for Dormakaba ED900 Series door closers only, and the axle engagement is specific to that mechanism. For a different Dorma or dormakaba closer family, source the spindle extension listed for that series instead.
3) My ED900 closer arm keeps working loose at the spindle. Is the SP2 the fix?
If the arm is not seating fully on the axle because the spindle is too short for the mounting condition, the SP2 extension is the correct part and comes in 3/4, 1-1/8, and 2-3/8 inch lengths to make up the shortfall. If the spindle itself is worn or stripped, or the closer body is leaking, an extension will not correct it and the closer needs replacement rather than an adaptor.
4) What does an axle adaptor extension actually do on a door closer?
It lengthens the closer's axle (spindle) so the arm sits at the correct height and fully engages the drive. When a closer is mounted with a drop plate, a thicker soffit condition, or a deeper frame reveal, the standard spindle does not reach far enough and the arm can slip or bind. The SP2 makes up that gap so the operating geometry is correct on an ED900 closer.
5) Is this a genuine Dormakaba part or an aftermarket copy?
Genuine Dormakaba, sourced from the manufacturer and classified as an OEM replacement part. That matters on a closer service call because the axle fit is a machined interface, and an off-spec adaptor introduces play at the arm.
6) Do I need any other parts to install the SP2 axle adaptor on an ED900 closer?
The SP2 installs directly into compatible ED900 Series hardware with no modification to the closer, so no adaptor plates or machining are involved. What it does not include is the closer arm, the drop plate, or the fasteners that come with those assemblies, so if you are adding the extension because of a new mounting condition, order the plate or arm for that condition alongside it.
7) Is the SP2 adaptor suitable for high-traffic commercial openings, or is it a light-duty part?
It is a commercial-grade component, catalogued for commercial rather than residential use, and it is the part Dormakaba supplies for ED900 closers in offices, schools, hospitals, government buildings, retail, warehouses, and multi-tenant residential. It is a service part, so it is intended to restore an existing closer to normal duty, not to upgrade its capacity.
How fast can I get the Dormakaba SP2 delivered?
Most orders ship the same day from our distribution partners, with quick delivery throughout the continental U.S. Need it urgently? Contact Us for expedited shipping options.
Can I return it if it doesn’t work for me?
Yes—ZenSupply offers a hassle-free return policy. If the product isn’t the right fit, reach out to our support team for a return authorization or setup a return by following our return instructions.
Does the Dormakaba SP2 come with a warranty?
Absolutely. The Dormakaba SP2 is backed by a manufacturer’s warranty. For full warranty terms, check the product documentation or Contact Us.
How do I get technical support or installation help for the Dormakaba SP2?
You can call, text, or email our expert support team for fast answers. We’re here to help with product selection, installation tips, and troubleshooting. Contact Us
Why buy the Dormakaba SP2 from ZenSupply?
ZenSupply makes it easy to get the commercial door hardware you need—fast shipping, expert support, and rewards on every order. Our team is always ready to help you choose the right product for your project.
!