Isolation Valves
For Applications that Require Precise, Repeatable Dispensing of Media for Medical and Analytical Instrumentation
Electronic Valves
Media isolation valves are commonly used for a wide variety of applications, including those that require precise, repeatable dispensing of media for medical and analytical instrumentation. Each series of valves feature low power consumption, compact design, and high cycle life. Choose from a large variety of standard sizes, configurations, materials, and options or contact us to discuss special customizations.
NIV Series Multi-Channel Gradient Valves
• PTFE diaphragm isolation valves
• Low dead volume
• Low leakage isolation design
• Compatible with corrosive and aggressive fluids
• Flow paths may be controlled individually
• Equal pressure drop, response time and internal volumes
NIV Series PTFE Media Isolation Valves
The Clippard NIV Series Media Isolation Valve is a solenoidoperated device that uses a flexible diaphragm to isolate the actuation mechanism from the fluid path. Media isolation valves are commonly used for a wide variety of applications, including those that require precise, repeatable dispensing of media for analytical instrumentation. All wetted areas of the valve are PTFE making this series ideal for use with corrosive media.
PIV Series PEEK Media Isolation Valves
The Clippard PIV Series Media Isolation Valve is a solenoid operated device that uses a flexible diaphragm to isolate the actuation mechanism from the fluid path. Media isolation valves are commonly used for a wide variety of applications, including those that require precise, repeatable dispensing of media for analytical instrumentation. All wetted areas of the valve are PEEK body and PTFE diaphragm,
making this series ideal for use with corrosive media.
NPV Series 2-Way & 3-Way Miniature Pinch Valves
The Clippard NPV Series Miniature Pinch Valve is a solenoid-operated device that is designed to open and close tubes for controlling flow of liquids and gases. Other valve types have internal passages that may cause small amounts of fluid to remain in the valve. Pinch valves have no areas or dead volume where fluid can become trapped. Only the inside of the tubing contacts the fluid. Energizing the solenoid retracts or extends the plunger, which opens or closes the tube. De-energizing the solenoid will allow the plunger to return to its original state.
NPP Series 2-Way Miniature Pneumatic Pinch Valves
Clippard’s NPP Series Pneumatic Pinch Valves are air-piloted devices designed to open or close tubes for controlling flow of liquids and gases. Other valve types have internal passages that may cause small amounts of fluid to remain in the valve. Pinch valves have no areas of dead volume where fluid can become trapped. Only the inside of the tubing has contact with the fluid.
ECLIPSE 2-Way Stepper-Controlled Proportional Isolation Valves
Utilizing the industry’s most robust and powerful miniature linear actuator, the patent pending stepper-controlled proportional valve leads the industry in performance, durability and precise flow control. This valve is ideal in critical applications for liquid and gas delivery, medical, analytical and industrial automation requiring high resolution and excellent repeatability. In addition, the unique design allows for custom flow profiles.
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NPV Series Panel Mounted Pinch Valves
For applications that require easier access or enhanced cleanliness, Clippard NPV series pinch valves are also available with a convenient panel mount option. Compared to standard manifold mounted pinch valves, panel mounting offers simplified installation, a cleaner appearance, and reduced contamination risk.
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NPV Long Stroke Pinch Valves
Clippard’s high flow pinch valve provides the same functionality as the standard series but with the added benefits of a longer stroke. This makes it ideal for applications that require greater flow or those that utilize viscous or particulate-laden media. As with all Clippard pinch valves, each valve comes pre-installed with 12” (30 cm) of your choice of standard medical/laboratory grade or sanitary food grade silicone tubing.
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AIV Series Air-Operated Isolation Valves
Like the NIV and PIV series, the AIV series features Clippard’s unique multifunctional valve stem design for longer life and minimal dead volume. The difference with the AIV series is that it also provides the added benefit of air operation, which is—by definition—intrinsically-safe. No solenoid means absolutely no heat buildup from the coil, making the AIV series ideal for applications that utilize temperature-sensitive media. Like the PIV, all wetted areas of the AIV series are PTFE and PEEK, making it ideal for use with corrosive media.
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E2S Series Isolation Valves
The E2S series valve combines the versatility of Clippard’s compact 10 mm valve line with the advantages of media isolation. With a durable, glass-filled nylon body and an EPDM diaphragm that separates the actuation mechanism from the flow path, the E2S series is an excellent choice for dispensing a wide range of aggressive gases and liquids in applications that require compact, electronically-controlled valves which have minimal backpressure.
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PPV Proportional Pinch Valves
Clippard’s PPV series pinch valve proportionally controls the flow of liquids and gases by pinching a tube set using a high force, high accuracy stepper-driven linear actuator. Its unique design features enable you to take your applications to the next level by providing proportional resolution and linearity that far exceed those of competing models
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Hit & Hold Option
The general principal behind a hit and hold circuit is that the valve is energized to full power for a short period of time before dropping the voltage and current to a specified level. Applications that are sensitive to heat rise can greatly benefit from hit and hold circuits, as can high cycle and low temperature applications. In some applications, hit and hold can actually extend the life of the valve.
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Rankin has developed an extensive product offering through partnerships with industry leading manufacturers. With extensive experience in the industry, count on us to meet your needs while improving your facility’s operation and efficiency.
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