Precision Orifices
Orifices for Vacuum and Fluidic Applications
Precision orifices (flow restrictors) are critical for flow control, particularly with pneumatics, eliminating the need for a valve. The low flow rates possible with miniature orifices and orifice fittings allow the user to obtain the precise flow control needed for their application. In addition, the design flexibility of orifice inserts is such that they are one of the most popular cost effective methods to deploy for controlling air, gas and fluid flow. Orifice insert materials include brass, stainless steel, polycarbonate, polysulfone and synthetic sapphire.
ISM carries thousands of plastic and metal fittings and can install orifices in almost every one. Our company has the capability to combine standard single flow orifice restrictors with standard fittings of all kinds, types and most sizes. Connections include threaded, barbed and push-in with straight, elbow, tee and "Y" (wye) configuration style fittings. Because ISM offers an immense selection of orifice flow restrictor fittings, application design is limited only by size constraints and the designer's imagination.
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Uses and Applications
Orifice flow restrictors are necessary for all kinds of air, gas and fluidic systems. Wide varieties of applications use orifices because of this. Some examples include but are not limited to:
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- Atmospheric burners
- Biological instrumentation systems
- Circuit sequencing and control
- Differential pressure devices
- Flow controls
- Flow measurement
- Fluidic and pneumatic flow controls
- Fuel systems
- Inkjet printing
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- Instrumentation
- Liquid cooling
- Medical instrumentation systems
- Metered flow control
- Oil tools
- Powder coating systems
- Precision gas metering
- Sophisticated fluid power systems
- Water jet applications
Features and Benefits
- Variety of materials for broad chemical compatibility
- Material selection provides a balance between value and durability
- Orifice fitting connection style options provide design flexibility
- Range of orifice sizes suitable for diverse applications
- Highly adaptable - an orifice can be placed in many fittings we offer
- Download our Precision Orifice Flow Charts
- Download our Sapphire Orifice Air Flow Charts
- Download our Polysulfone Chemical Compatibility Chart
Any precision orifice or flow restrictor will clog unless adequate upstream filtration is provided. Using a separate filter upstream of precision orifices should probably be planned for in order to supply protective filtration that is easy to service. ISM’s offering also includes an extensive selection of integrated filtered flow restrictors.
ISM’s extensive selection of precision orifices and our custom orifice fitting services ensure application flexibility.
