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April 29, 2026
VALVE PRODUCTS
VALVE PRODUCTS
A valve is a mechanical device used in plumbing and piping systems to control the flow of liquids or gases. It can start, stop, or regulate the flow within a system, making it a critical component in residential, commercial, and industrial plumbing.
Main Functions of Valves
- Start or stop flow (like a faucet)
- Regulate flow rate (like a pressure regulator)
- Redirect flow (in complex piping systems)
- Prevent backflow (check valves)
Common Types of Plumbing Valves
| Valve Type | Description | Common Use |
|---|---|---|
| Ball Valve | Uses a rotating ball with a hole to control flow | Quick shut-off |
| Gate Valve | Uses a gate to block flow; not for flow regulation | Main water lines |
| Globe Valve | Controls flow with a movable disk; good for regulation | Faucets, sprinklers |
| Check Valve | Allows flow in one direction only | Prevents backflow |
| Butterfly Valve | Uses a rotating disc to regulate flow | Large pipe systems |
| Pressure Relief Valve | Releases excess pressure | Water heaters, boilers |
| Angle Valve | Turns flow 90°; often used under sinks | Fixture shut-off |
Materials Used
- Brass – Durable and corrosion-resistant
- PVC – Lightweight and used in low-pressure systems
- Stainless Steel – Strong and corrosion-resistant
- Cast Iron – Used in industrial applications
Main Uses of Valves in Plumbing
1. Flow Control
- Regulate how much water or gas flows through a pipe.
- Example: Globe valves used in shower systems to adjust water pressure.
2. Shut-Off
- Stop the flow completely when needed.
- Example: Ball valves used to shut off water supply during repairs.
3. Backflow Prevention
- Ensure fluid flows in only one direction.
- Example: Check valves used in sump pumps or water heaters.
4. Pressure Regulation
- Maintain safe pressure levels in the system.
- Example: Pressure relief valves in boilers or water heaters.
5. Flow Direction Change
- Redirect flow to different parts of a system.
- Example: Diverter valves in irrigation or multi-zone plumbing systems.
6. Emergency Control
- Quickly shut off flow in case of leaks or system failure.
- Example: Gate valves on main water lines.
Common Places Valves Are Used
- Under sinks and toilets
- In water heaters and boilers
- Outdoor irrigation systems
- Industrial piping systems
- HVAC systems
