Trade Quality Aluminium Door HardwareQualityFast UK DeliveryDelivery1-2 working daysTechnical SupportSupportExpert adviceReliable StockStockReady to ship
Price checkDDA-NHO-T1-U
Trade pricing on application
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Order codeDDA-NHO-T1-U
Adjustable Concealed Door Closer (Transom Overhead) product image 1View larger image

Door Closers

Concealed Door Closer (Transom Overhead)

Concealed Door Closer (Transom Overhead) supplied for aluminium door hardware and secure entry projects.

Trade pricing on application
Trade qualityTechnical supportUK stocked range
Option
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Price checkPrice review requiredThis technical line needs Ali Hardware confirmation before online purchase is enabled.Request trade price ->Project supportTrade/project supportOrder-code and product context are carried into the enquiry form.Enquire now ->
Order code
DDA-NHO-T1-U
Variant
DDA-NHO-T1-U
Use case
Door Closers
Buying routePrice checkConfirmed before purchaseOrder codeDDA-NHO-T1-UAli Hardware supportDoor typeDoor ClosersAluminium hardwareSupportTechnical adviceOrder-code context carried into enquiryDocumentsChecked on requestChecked before specification

Product overview

Built for specification-led aluminium door projects.

Concealed Door Closer (Transom Overhead) supplied for aluminium door hardware and secure entry projects.

  • Concealed or controlled closing hardware for aluminium doors
  • Specification-led product family for installer workflows

Technical information

Check the important details before ordering.

Applications

  • Aluminium door hardware
  • Commercial door specification

Specification notes

  • Concealed or controlled closing hardware for aluminium doors
  • Specification-led product family for installer workflows

Need technical help?

Confirm compatibility, finish and fit before dispatch.

Send the current product, variant and order code to Ali Hardware for a quick project check.

Ask for trade support ->Email product details ->Call 0121 456 7890

Ordering support

Trade buyers can confirm final code, finish and fit before purchase.

Select the correct order code, handing, finish or size before purchase. Trade support can confirm compatibility before dispatch.

DDA-NHO-T1-UDDA compliant – no hold open
510100T1-ULight duty (size 1) – no hold open
510200T1-UMedium duty (size 2) – no hold open
510300T1-UHeavy duty (size 3) – no hold open
510900T1-UVariable strength – no hold open** – See note
DDA-HO-T1-UDDA compliant – 90o hold open
510190T1-ULight duty (size 1) – 90o hold open
510290T1-UMedium duty (size 2) – 90o hold open

Documents

Technical documents are checked before specification.

Documents are checked during trade support.Request specification support ->