A brass gas union joins two gas pipes with a joint that opens for service.
Fit one next to regulators and appliances. Therefore, you can remove them without cutting the line.
What is a brass gas union?
Brass gas fittings are elbows, tees, unions and connectors made for gas lines, especially LPG. They join regulators, valves, pipes and appliances with threaded or compression joints.
Brass resists corrosion and holds a precise thread. However, gas joints must be sealed with gas-rated products and tested for leaks after fitting.
Further reading
- Brass: composition and properties (Wikipedia)
- Liquefied petroleum gas (LPG) explained (Wikipedia)
- Types of piping and plumbing fittings (Wikipedia)
Key terms explained
- Brass
- An alloy of copper and zinc. It resists corrosion, machines cleanly and makes precise threads.
- BSP thread
- British Standard Pipe thread, the common pipe thread in Kenya. Taper threads (BSPT) seal as they tighten.
- Dezincification
- Slow loss of zinc from some brasses in aggressive water, which weakens the metal. DZR brass resists it.
- Male and female thread
- A male thread is on the outside of a part. A female thread is on the inside.
- LPG
- Liquefied petroleum gas, the bottled cooking and heating gas used in homes and kitchens.
- Leak test
- Brushing soapy water on joints with gas on. Bubbles show a leak.
Features and benefits
- Made for gas line connections.
- Corrosion-resistant brass.
- Precise threads for a reliable seal.
- Compact shapes for regulator and appliance assemblies.
Technical specifications
| Product | Brass gas union |
|---|---|
| Material | Brass |
| Type | Three-part union |
| Connection | Threaded or compression, confirm with quote |
| Supplier | Sparks Plumbing Experts Ltd, Nairobi |
| Supplier | Sparks Plumbing Experts Ltd, Nairobi |
Sizes, brass grade and pressure rating depend on stock. Tell us the thread size and quantity, and we will confirm.
Applications of a brass gas union
- Kitchen gas lines. Joins pipework from cylinders to cookers.
- Commercial kitchens. Builds gas lines to ranges and fryers.
- Laboratory gas. Connects lab gas taps and burners.
- Gas manifolds. Joins several cylinders to one line.
- Regulator assemblies. Turns and branches lines at regulators.
- Gas heaters. Connects space and water heaters.
- Hotels and schools. Builds fixed gas installations.
- Repairs. Replaces worn gas fittings.
How to choose and install
- Use fittings intended for gas.
- Match the thread or tube size.
- Seal with gas-rated tape or sealant.
- Leak test every joint with soapy water, never a flame.
- Have fixed installations done by a competent gas installer.
Why choose Sparks Plumbing Experts
- Every common pipe materialGI, PPR, PVC, HDPE, brass and stainless fittings are all stocked, so you can match any existing system.
- Common sizes in stockMost fitting types come in several sizes, from small domestic sizes up to larger mains sizes.
- Pipes, fittings and valves togetherPipes, fittings, valves, clamps and jointing products come in one order.
- Help with thread and size standardsWe help you confirm inch and millimetre sizes before you buy, which avoids return trips.
- 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: Brass Fittings · Gas Regulator · Kitchen gas fittings · School Laboratory gas fittings.
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
Does a brass gas union need tape on the nut?
No. Seal only the pipe threads. The union seals on its seat.
What details do you need to quote brass gas fittings?
Tell us the fitting type, the thread or tube size and the 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 brass gas fittings 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 brass gas fitting cost in Kenya?
The price depends on the size, the type and the quantity. Therefore, send your list with a quote request and we will reply with current figures.
Can I use water fittings on gas?
Use fittings intended for gas and gas-rated sealant. Ask us if unsure.
How do I test a new gas joint?
Turn on the gas and brush soapy water on the joint. Bubbles mean it leaks.
Who should install gas fittings?
A competent gas installer, especially on fixed lines.
Do brass gas fittings corrode?
Brass resists corrosion well in normal indoor use.
What sizes are common on LPG lines?
Small sizes such as 1/4, 3/8 and 1/2 inch. Match your regulator and appliance.
Where can I buy brass gas union 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.
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