SIHI® Liquid Ring Vacuum Pumps

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Flowserve-SIHI is the driving force in the global industrial pump marketplace. No other pump company in the world has the depth or breadth of expertise in the successful application of pre-engineered, engineered, and special purpose pumps and systems.

​Market-Focused Customer Support Product and industry specialists develop effective proposals and solutions directed toward market and customer preferences. We offer technical advice and assistance throughout each stage of the product life cycle, beginning with the initial inquiry.

PVT is the exclusive full-line Flowserve-SIHI® distributor for industrial Ontario

Give Us A Call at 1-519-442-5766

SIHI® Liquid Ring Vacuum Pump Product Line

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Industry Sectors
​✓ Pulp & Paper
✓ Steel & Primary Metals
✓ Other Industries
✓ Basic (Organic & Inorganic)
✓ Specialty (Fine & Consumer)
✓ Biofuels
✓ Pharmaceutical
✓ Midstream Transportation
✓ Downstream Processing
✓ Nuclear
✓ Conventional Steam

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Flowserve-SIHI® LPH Series Liquid Ring Vacuum Pumps

Liquid ring vacuum pumps of the series LPHX/LPH are two-stage displacement pumps with a simple but robust construction. Serving General, Chemicals, Oil & Gas and Power industries.

• Near isothermal compression
• Oil free, with no internal lubrication
• Capable of handling almost all gases and vapours
• Able to handle quantities of liquid "carry over"
• Low maintenance and safe operation
• Low noise and almost vibration free
• Available in a wide range of materials

• Broad range of applications
• O-ring sealing as standard
• Cavitation protection as standard
• Drain hole as standard
• Built-in solids drain
• Rotating metallic parts are non contacting to minimise wear
• ATEX compliance

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Industries
✓ General Industry
Industry Sectors
​✓ Food & Beverage
✓ Other Industries

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Flowserve-SIHI® LEM Series Close Coupled Liquid Ring Vacuum Pumps
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Liquid ring vacuum pumps of the series LEM (LEMR and LEME) are single-stage displacement pumps of uncomplicated and robust construction.

• Non-polluting due to nearly isothermal compression
• Oil-free, as no lubrication in the working chamber
• Handling of nearly all gases and vapours
• Entrained liquid can be handled
• Easy maintenance and reliable operation

• Wide choice of material, therefore applicable nearly everywhere
• Protection against cavitation as standard
• Incorporated dirt drain
• Incorporated central drain
• No metallic contact of the rotating parts
• Low noise and nearly free from vibration

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Performance Range
​✓ Available for LEM & LPH Series

Optional Equipment
✓ Motor starter panel, NEMA 4 enclosure

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Flowserve-SIHI® XBAR Standard Packages Once-through or Partial recirculated water

Economical packaged systems with fast lead times. The systems revolve around commonly used LEM & LPH series equipment.

• Compact design
• Quick delivery
• Water saving designs
• One stop purchasing & engineering
• Once through or Partial recirculation

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Performace Range
✓ Capacities from 75 to 2000+ ACFM
​✓ Inlet vacuum to 29” Hg+

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Flowserve-SIHI® Oil Sealed Packages
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• Total Recirculation, low operating costs
• No costly cooling circuits or chillers
• Air or Water cooled units available

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Industy Application
✓ Petrochemical
✓ Refining
✓ Plastics
✓ Electronics
✓ Pharmaceutical
✓ Food & Beverage & more

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Flowserve-SIHI® Custom Engineered Systems
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Let our 30 years of experience help you solve your most demanding applications. Challenge us with your most complex problems.

• Single Source Responsibility for system review, design, fabrication, testing, start-up, service & support
• Once through, Partial and Total recirculation designs
• Compliant to National & International code requirements including: ASME, API, ANSI, CSA, CE, TEMA, HEI
• Cast & Ductile irons, Bronzes, Stainless Steel, Hastelloy, Titanium & other alloys available
• Greater flows & ranges available utilizing multiple units​
• Hybrid systems available utilizing air ejectors, blowers and steam jets for deeper vacuum