Slip on flanges slide over the pipe end and are fillet welded inside and out.
They are easy to align on site. Confirm rating and size.
What are slip on flanges?
Weld flanges are welded to the pipe. Slip-on flanges slide over the pipe and are fillet welded, socket weld flanges take the pipe into a socket, and neck (weld neck) flanges are butt welded through a tapered hub for higher stress. Other flanges join plastic pipe, form bell mouths or suit fire and steam lines.
The flange type decides how it is installed and how much load it takes. Therefore, choose by pressure, temperature and the pipe material.
Key terms explained
- Slip-on flange
- Slides over the pipe and is welded inside and out.
- Socket weld flange
- The pipe sits in a socket and is fillet welded.
- Weld neck flange
- Butt welded through a tapered neck for high stress.
- Bell mouth
- A flared inlet that smooths flow into a pipe.
Features and benefits
- Slip-on, socket weld and neck flanges.
- Steam and fire line flanges.
- Aluminium and PVC options.
- Bell mouths for pump and tank inlets.
Technical specifications
| Product | Slip-on flange |
|---|---|
| Sizes and rating | Confirm with quote |
| 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 slip on flanges
- Steam headers. Weld and steam flanges.
- Process lines. Weld neck flanges.
- Small bore high pressure. Socket weld flanges.
- General water lines. Slip-on flanges.
- Fire hydrant systems. Fire fighting flanges.
- PVC water lines. PVC bayonet and flanges.
- Pump suction. Bell mouth inlets.
- Aluminium ducts and lines. Aluminium flanges.
How to choose and install
- Match weld type to pressure and pipe schedule.
- Use qualified welders for pressure work.
- Check rating and drilling on every flange.
- Choose plastic flanges for plastic pipe.
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. We also supply buyers in Uganda, Tanzania, Zanzibar, Rwanda, Burundi, DR Congo, Ethiopia and South Sudan.
Related products and accessories
Browse more: Flanges · Gaskets · Valves · Hardware and Fasteners.
Ordering from Sparks Plumbing Experts
We supply customers across Kenya. We also serve buyers in Uganda, Tanzania, Zanzibar, Rwanda, Burundi, DR Congo, Ethiopia and South Sudan. 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 special flanges?
Tell us the type, size, rating 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 special flanges outside Nairobi?
Yes. We supply customers across Kenya. We also serve buyers in Uganda, Tanzania, Zanzibar, Rwanda, Burundi, DR Congo, Ethiopia and South Sudan. Delivery or courier arrangements are agreed when you confirm the order.
How much does a special flange cost in Kenya?
The price depends on the item, size or model and the quantity. Therefore, send your list with a quote request and we will reply with current figures.
Which weld flange is strongest?
Weld neck flanges handle the highest stress.
Can slip-on flanges be used on steam?
Within their rating, yes. Check pressure and temperature.
Do you supply fire line flanges?
Yes, ask for sizes.
Can I weld an aluminium flange to steel?
No. Use matching materials or a bolted joint.
What is a Weldon flange?
A weld-on flange type. Confirm dimensions with us.
Where can I buy Slip on flanges in Kenya?
Buy it from Sparks Plumbing Experts Ltd at KCB Building, Enterprise Road, Industrial Area, Nairobi. We are open Monday to Friday, 8 am to 5 pm, and Saturday, 9 am to 12 noon. You can also order by phone or WhatsApp on 0726 086 895. We deliver across Kenya and to Uganda, Tanzania, Zanzibar, Rwanda, Burundi, DR Congo, Ethiopia and South Sudan.
People also search for
slip on vs weld neck flange
Slip-on is easier to fit; weld neck takes more stress.
socket weld flange sizes
Common for small bore lines, here 1/2 to 8 inch Class 150.
steam flange rating
Choose a rating that covers steam pressure and temperature.
bell mouth flange
A flared inlet for pump suction or tank outlets.
pvc flange connection
Use PVC flanges or bayonet joints on PVC pipe.
Special flanges price in Kenya
Prices change with size, model and quantity. Request a quote from Sparks Plumbing Experts for current figures.
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