Tools & General Hardware, Cebu
Valves
A valve controls flow in a pipe: starting it, stopping it, throttling it, or preventing it going backwards. Which type suits a line depends on what it has to do, not just the pipe size.
Specification
Sizes and variants
Ball valves
A quarter turn opens or closes them fully. The usual choice for isolation.
A range of sizes, in several materials
Gate valves
Open and close by raising a gate across the flow. For isolation on larger lines.
A range of sizes
Check and swing valves
Allow flow one way only and close if it reverses.
A range of sizes
Foot valves
Fitted at the bottom of a suction line to keep the pump primed.
A range of sizes
Butterfly valves
A disc rotates within the pipe. Compact, for larger diameters.
A range of sizes
Angle valves
Turn the flow through ninety degrees, common on fixtures and standpipes.
A range of sizes
- Specified by
- Type, size, material, and pressure rating
- Materials
- Brass, PVC, stainless, and cast iron depending on type
Availability varies by size. Other sizes can often be sourced on request.
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Steel prices move with the market, so published figures date quickly. Send a list of sizes, grades, and quantities for a current quotation.
Applications
Where it is used
- Isolation and shut-off
- Preventing backflow
- Pump suction lines
- Fixtures and standpipes
Questions
About valves
When should I use a ball valve rather than a gate valve?
A ball valve opens and closes in a quarter turn and seals reliably, so it is the usual choice for isolation. A gate valve gives less flow restriction when fully open and is often used on larger lines, but it is slower to operate and the seat wears if it is throttled.
What does a check valve actually do?
It allows flow in one direction and closes if the flow reverses. That protects pumps from backflow and stops a line draining back when it should not. It operates on flow alone, with no handle.
Why does a suction line need a foot valve?
It sits at the bottom of the suction pipe and holds water in the line when the pump stops, so the pump stays primed. Without it the pump has to re-prime every time, and many pumps cannot.
Looking for other sizes or grades? See the full Tools & General Hardware range.
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