What Does 750 PSI Mean?
A 750 PSI rating indicates that a valve is designed to operate at a maximum
working pressure of 750 pounds per square inch under specified service
conditions. In this catalog, the rating most commonly applies to ball valves
used in low- to moderate-pressure piping systems.
How It Is Used
Manufacturers assign pressure ratings to define the maximum pressure a valve
can safely contain while operating. Operators use these ratings to ensure the
valve matches the pressure requirements of the system and maintains safe,
reliable performance.
Common Applications
Ball valves rated for 750 PSI commonly appear in:
- Oil and gas production facilities
- Water transfer systems
- Tank and storage installations
- Utility and process piping
- General industrial fluid-handling systems
Performance Characteristics
A 750 PSI ball valve provides reliable shutoff service in moderate-pressure
applications. When closed, the valve isolates flow by pressing a machined ball
against resilient or metal seats. When open, the full-port or reduced-port
design allows fluid to pass through the valve.
Advantages
- Provides quick quarter-turn operation
- Delivers reliable shutoff performance
- Works well in a wide range of fluid services
- Requires minimal maintenance in normal operating conditions
Considerations
- Operators must not exceed the rated working pressure
- Temperature can affect the valve’s pressure rating
- Seat and seal materials must be compatible with the process fluid
- All connected piping components should meet or exceed the system pressure requirements
Summary
A 750 PSI rating identifies a ball valve designed for moderate-pressure service.
These valves commonly provide flow isolation in oil and gas, utility, water,
and industrial piping systems where operating pressures remain below the valve’s
rated working pressure.



