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Prime/Purge Valves • Automatic valve operation with a simple twist of a luer lock syringe • No tubing to cut or ferrules to swage • No wear on the internal seal • Three types available, Waters® compatible, Universal and High Pressure Universal valves These Prime/Purge valves are easy to install and are compatible either inline as universal valves or compatible to Waters pumps.  INFORMATION ON THE WATERS-COMPATIBLE VALVE: The Upchurch Scientific® Prime/Purge Valve for Waters pumps automatically opens when a luer syringe is attached and closes when the syringe is removed. No valve rotation is required after the initial installation, so wear on the internal seal is eliminated. In addition, our Waters-compatible Prime/Purge Valve is simpler to operate and more economically priced than other alternative valves available for Waters systems. These Prime/Purge valves are constructed of rugged, including a PEEK™ polymer valve body. The component structure ensures compatibility with virtually all of the common solvents used in HPLC analyses. INFORMATION ON UNIVERSAL VALVES: Our Universal Prime/Purge Valves are also easy to operate. Simply install a valve along the flow path with the included fittings and attach a luer-tipped syringe. Then, withdraw the plunger and watch as solvent and residual bubbles are removed from the solvent line. The valves automatically close when the syringe is removed. Install the Low Pressure Universal Prime/Purge Valve along the inlet solvent path near the pump to remove bubbles from the inlet solvent line. The valve can also be used to rapidly “wet” your solvent inlet filter. When a new filter is installed, it often contains a substantial amount of air within its pores. At standard flow rates, it may require several minutes before the inlet fluid pathway is completely free of gas. Using this valve, you are able to rapidly draw solvent through the inlet filter, dislodging the gas and minimizing downtime. Air within the pump head can cause flow instability and noisy pump operation. Place our High Pressure Prime/Purge Valve between the pump and the sample injector, where it can be used to remove bubbles that have become lodged within your pump. This valve is rated for a maximum pressure of 5,000 psi (345 bar). The low pressure version of the valve is designed to be used with 1/8” OD tubing, while the high pressure version accommodates 1/16” OD tubing. Optional bulkhead mounting is made easy by the handy mounting holes in the body of each unit. NOTE: The wetted materials for our Waters-compatible and Universal Prime/Purge Valves are ruby, sapphire, PEEK, Fluoropolymer and stainless steel. Copyright © IDEX Corporation 2010. IDEX Health & Science is a Unit of IDEX® Corporation. | Privacy Policy |