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SIHI LPH Two-Stage Liquid Ring Vacuum Pumps

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The SIHI LPH Two-Stage Liquid Ring Vacuum Pumps are designed to deliver robust, oil-free performance across a wide range of industrial applications. With the ability to handle dry and humid gases, as well as small quantities of liquid carryover, these pumps are ideal for processes requiring high reliability and low maintenance.

The two-stage design allows for efficient operation in pressure ranges from 33 to 1013 mbar, with suction volumes from 500 to 1700 m³/h. Featuring durable construction and materials, cavitation protection, and noise reduction technology, these pumps provide efficient and versatile solutions for demanding vacuum applications.

Specifications
Features
Applications
Performance by Model
Industries
Documents
Contact

Specifications

Models: LPH 75320, LPH 75330, LPH 75340.
Pressure Range: 33 to 1013 mbar.
Suction Volume Flow:
- LPH 75320: 500–1000 m³/h.
- LPH 75330: 800–1400 m³/h.
- LPH 75340: 1200–1700 m³/h.
Maximum Gas Temperature: 200°C (dry), 100°C (saturated).
Service Liquid: Water (max. temperature: 80°C).
Noise Levels: 78–80 dB(A).

Features

Oil-free operation ensures no contamination in the working chamber.
Isothermal compression minimises heat generation during gas compression.
Integrated dirt drain and cavitation protection for enhanced reliability.
Handles dry and humid gases with small quantities of liquid carryover.
Constructed with durable materials, including cast iron and stainless steel.
Easy maintenance with modular design and low vibration operation.

Applications

Chemical and Pharmaceutical: Distilling, degassing, and drying processes.
Electrical Industry: Impregnation and drying.
Plastics Industry: Degassing for polymer production.
General Industrial Applications: Filtration, vapor recovery, and liquid transfer.

Performance by Model

LPH 75320:
- Speed: 880–1175 rpm.
- Max Power Consumption: 30–40 kW.
LPH 75330:
- Speed: 880–1175 rpm.
- Max Power Consumption: 37–50 kW.
LPH 75340:
- Speed: 880–1175 rpm.
- Max Power Consumption: 45–60 kW.

Industries

Chemical and Pharmaceutical: Safe for thermally sensitive and explosive media.
Plastics and Electronics: Reliable for degassing and drying.
General Industry: Suitable for vapor recovery and vacuum applications.

Documents

SIHI – Two-Stage Liquid Ring Vacuum Pumps

Contact Us

Do you have questions or comments about receiving a quote, our products, solutions and services, and support? Contact us by filling out the form.

Andrew Bishop - tel: 083 089 1204
Phil Soltan (External) – mob: 086 185 3782
Adrian McSweeney – tel: 021 461 7212
Paul-Fox Morris – tel: 021 461 7231
Una Long (Pump & Service Support) – tel: 021 431 7200
Tel: 021 461 7200

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