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Vacuum and Leak Testing Technologies


Calibration and Repair Services

LACO Technologies calibrates gas leak standards and vacuum gauges from all manufacturers. Our calibration laboratory operates in compliance to the most recent ISO standards for calibration laboratories.

Leak Detection Products & Services

From handheld sniffer leak detectors to mass spectrometer leak detectors to custom production leak testing systems, we offer the most complete selection of leak detection products, services, and turnkey solutions for your leak testing application. In addition to new leak detection products, we also offer refurbished Alcatel, Edwards, and Varian leak detectors.

Vacuum Chambers & Systems

Available in economy, standard, and custom models, our vacuum chambers are competitively priced, durable, and ideal for vacuum degassing, industrial, high vacuum, and ultra high vacuum applications. With a broad selection of standard industrial and high vacuum chambers and numerous options and accessories available to customize your vacuum chamber, we make it easy to get the vacuum chamber you need.
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SIHI Liquid Ring Vacuum Pumps

Description
A complete line of liquid ring vacuum pumps - from the bare pumps to complete systems and all the necessary accessories in between. Available in close coupled or direct drive configurations. Sterling-SIHI is recognized as the world wide leader in liquid ring vacuum pump technology offering pumps ranging from 5 to over 4,000 cfm.

Click here for Liquid Ring Pump Accessories. 		SIHI Liquid Ring Vacuum Pumps

Benefits
  • Vacuum levels to 29" Hg
  • Ability to handle liquids and particles without damage
  • Long life, simple design, low maintenance
  • Quiet and low vibration
  • Available in variety of construction materials
  • Can use variety of service/seal liquids tailored to the application
    		•  Applications
  • Central Vacuum Systems
  • Filtration
  • Fish and Poultry Evisceration
  • Vapor Recovery
  • Drying
  • Distillation
  • Deaeration
  • Extrusion
  • Vacuum Conveying
  • Packaging
  • Sterilization
    		•
    Additional Information
    LACO Vacuum and Low Pressure Air Solutions (PDF)
    LACO Vacuum Technical Reference Guide
    Liquid Ring Principle of Operation (PDF)
    Liquid Ring Vacuum Pump Specifications (PDF)
    SIHI Performance Range Curve

    Product Categories:
    Name Description
    LEM Liquid Ring Pumps The LEM series, closed coupled, multi service, liquid ring vacuum pumps offer the ultimate in robust simplicity, and 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. LEM pumps are closed coupled to North American motors of NEMA design. Motors are supplied in compliance with ‘UL’ and ‘CSA’ requirements. These pumps require no base-plate for mounting, no coupling, coupling guard, or on-site alignment of pump and motor. Perfect for use in OEM equipment. LEM pumps are capable of handling many vapors, and gases using service liquids compatible with the metal parts and elastomers of the pumps and mechanical seal. Small quantities of liquid carryover and nonabrasive solids can also be handled.
    LPH Liquid Ring Pumps The Sterling Fluid Systems "LPH" series SIHI 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.

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