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The SIHI LPH series liquid ring vacuum pumps are reliable pumps that can be used in a variety of applications. The vacuum pumps have one moving part, the impeller and shaft assembly, and no internal metal to metal contact. The LPH series are available in a single stage (low to medium vacuum) and two stage (medium to high vacuum) configurations for optimum performance. These pumps are available in a wide range capacities and materials of construction to meet your requirements. The pumps can use a variety of liquids to seal the internal clearances.
The LEM close coupled liquid ring vacuum pump series offers the ultimate in multi service robust simplicity manufactured in North America. This series of pumps feature cavitation protection, single North American mechanical seal, single casing drain, continuous solids purge connection, ultimate vacuum approaching 29 Hg. (25 Torr), and minimum space requirements.
The SIHIdry is a dry running vacuum pump based on a dry screw-rotor principle. The SIHIdry counter rotating screw shaped rotors, rotate without contact, eliminating the need for lubrication. Top down (self-draining), pumping is achieved by the top inlet and bottom discharge.
The North American made LEH series, offer efficient single stage operation through the entire vacuum range. The vacuum pump has the capability of running up to 29 Hg vacuum. These pumps use the liquid ring principle to ensure maximum safety in compression of hazardous mixtures. Reliability is ensured through the use of only one rotating assembly with no internal metal to metal contact.
The SIHIdry Models specifically developed for use in industrial applications.
The KPH series, offer efficient compression of condensable vapors and gases. These pumps use the liquid ring principle to ensure maximum safety in compression of hazardous mixtures.
Traditionally, calibration with air/water separation required two pumps. With the SIHIextruvac, calibration can be done with one pump. The new SIHIextruvac close-coupled pump is designed specifically to handle the profile extrusion market. The SIHIextruvac supplies vacuum to either wet or dry calibration tables with the added ability to handle up to 30 USgpm!
The KEH series, offers a greater pressure range. Capable of operating with a negative inlet pressure (vacuum) and a positive discharge pressure. These pumps use the liquid ring principle to ensure maximum safety in compression mixtures.
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