See how each valve controls flow. Choose a valve and move the handle to watch what happens inside the pipe. A quick way to explain the five common valve types to a colleague or a client.
A flat wedge slides up and down across the pipe. Fully open, the path is clear, so very little pressure is lost. Gate valves are not left part-open: the flow vibrates the wedge and wears the seats.
The same five valves, in words, with the standards they are built to and the manufacturers we stock. For a direct comparison, read gate valve vs globe valve.
A flat wedge slides up and down across the pipe. Fully open, the path is clear, so very little pressure is lost. Gate valves are not left part-open: the flow vibrates the wedge and wears the seats.
A plug moves onto a seat inside the body, giving fine, stable control of how much flows at the cost of some pressure loss. The flow changes direction twice inside the body, which is what makes throttling precise.
A ball with a hole through it turns a quarter turn. Lever along the pipe means open; across the pipe means closed. Soft or metal seats press against the ball to give bubble-tight shut-off.
A disc rotates inside the pipe. It stays compact and light even in very large sizes, which is why it is common on big water and cooling lines. Offset designs lift the disc off the seat as it opens, so the seat lasts longer.
Forward flow pushes the flap open. If the flow reverses, for example when a pump stops, the flap swings shut on its own. No handle, no operator: the fluid does the work.
Share your BOQ, specification or approved brand list on WhatsApp, or use the request-a-quote form. We confirm availability, pricing and lead time, line by line.