Both valves shut water off, but they work differently and suit different jobs. Choosing right saves leaks and broken handles.
Quick answer: A ball valve opens or closes with a quarter turn and seals tightly, making it ideal for quick on/off isolation. A gate valve uses a wheel that lifts a gate over several turns; it is used for full-flow lines that are rarely operated. For most house isolation points, a ball valve is the more convenient choice.
| Gate valve | Ball valve | |
|---|---|---|
| Operation | Wheel, several turns | Lever, quarter turn |
| Speed | Slow open/close | Instant |
| Seal | Good when new; can wear | Tight seal |
| Throttling | Not recommended | Not recommended (use for on/off) |
| Typical use | Main lines, rarely operated | Isolation points, tanks, pumps |




Some photos are reference images of the product type, used under open licences. Image credits are on each product page.
Some photos are reference images of the product type, used under open licences. Image credits are on each product page.
A "ball valve" for a tank or cistern is a float valve that closes as the water rises; it is not the same as a quarter-turn ball valve.
Some photos are reference images of the product type, used under open licences. Image credits are on each product page.
See the plumbing valves guide and cost of plumbing a house.
Not sure which one fits? Send us your details on WhatsApp or through the product page and we will help you choose.
A ball valve shuts with a quarter turn and seals tightly; a gate valve uses several turns of a wheel and is suited to rarely operated full-flow lines.
For on/off isolation in a house, a ball valve is usually more convenient.
It is not recommended; partly open gates wear quickly.
A tank or cistern valve that closes as the water level rises.
Gate valves on Buy More Mall start from KSh 470 for ½".
Ball valves start from KSh 1,600 for 32 mm, with larger sizes available.
Prices shown are regular prices on Buy More Mall. Many products are currently on offer, so open the product page to see today's price.