20mm Duct Corner Piece | Sparks Plumbing

A 20mm duct corner piece links 20 mm flange rails at each duct corner.

Order four per duct end.

What is a 20mm duct corner piece?

Rectangular ducts join with flange profiles fixed to each duct end, corners that lock the profiles, and clamps along the sides. Sealant or gasket then makes the joint airtight.

Profiles, corners and clamps must share one profile size. Therefore, order them as a set.

Key terms explained

Flange profile: A steel rail fixed to a duct end.
Duct corner: Links four profile rails and takes a bolt.
Duct sealant: Paste that seals duct seams and joints.

Features and benefits

Profiles in 20, 25 and 30 mm.
Matching corners.
Grey and white sealants.
Flange corners for assembly.

Technical specifications

Product	Duct corner
Profile	20 mm
Packing	Confirm with quote
Supplier	Sparks Plumbing Experts Ltd, Nairobi
Supplier	Sparks Plumbing Experts Ltd, Nairobi

Sizes, grades and ratings depend on stock and model. Tell us what you need, and we will confirm before you order.

Applications of a 20mm duct corner piece

Office ducts. Supply and return.
Kitchen extract. Rigid duct joints.
Malls. Large ducts.
Hospitals. Clean air ducts.
Factories. Process extract.
Car parks. Ventilation.
AHU connections. Plenum joints.
Repairs. Re-sealing joints.

How to choose and install

Use one profile size per joint.
Order four corners per duct end.
Seal every joint.
Support ducts properly.

Why choose Sparks Plumbing Experts

Valves, flanges and gaskets togetherComplete a pipeline joint with matching valves, flanges, gaskets and bolts.
Pressure-rated optionsMany items come in PN16, class 150 or class 300 ratings, so you can match the line.
Stainless and carbon steelChoose stainless for corrosion resistance or carbon steel where it suits the service.
Plant maintenance sparesKeep critical spares on hand for planned shutdowns and breakdowns.
Visit or collect in NairobiOur store is at KCB Building, Enterprise Road, in the Industrial Area, so you can see parts before you buy or collect your order.
Quotes your wayAsk for prices by phone, WhatsApp, email or the online quote form, whichever suits you on site.
Over 1,600 products in one placeOur catalogue covers 55 categories, so one supplier can handle most of your parts list.
Help choosing the right partSend a nameplate photo, a drawing or the old part, and we help you match size and specification.
Single items or project quantitiesWe price a single replacement part just as readily as a full site order.
Supply across East AfricaWe serve customers across Kenya, and we also supply buyers in Uganda and Tanzania.

Related products and accessories

Browse more: HVAC · Flanges · Ventilation.

Ordering from Sparks Plumbing Experts

We supply customers across Kenya, and we also serve buyers in Uganda and Tanzania. You can collect from our store at KCB Building, Enterprise Road, Nairobi, or ask us about delivery to your site. Send your quantities and specifications, and we will reply with prices and availability.

Request a Quote WhatsApp 0726 086 895

Frequently asked questions

What details do you need to quote duct joining parts?

Tell us the profile size, item and quantity. A photo of the old part, a nameplate or a drawing also helps. Then call or WhatsApp 0726 086 895, or use the quote form on this page.

Do you deliver duct joining parts outside Nairobi?

Yes. We supply customers across Kenya, and we also serve buyers in Uganda and Tanzania. Delivery or courier arrangements are agreed when you confirm the order.