RPH-LF

Summary

Product identification

The RPH-LF is a single-suction, single-stage heavy-duty OH2 process pump. It is designed to API 610 / ISO 13709 standards and is ATEX-approved.

Applications

• Refineries
• Petrochemical and chemical industries
• Onshore and offshore processes

Operating limits

• Max. flow rate: 40 m³/h / 176 US gpm
• Max. head:
  • 339 m / 1112 ft (50 Hz)
  • 488 m / 1601 ft (60 Hz)
• Max. temperature: -30 to +200 °C / -20 °F to 392 °F
• Max. pressure: 110 bar / 1595 psi

Mechanical / hydraulic

• Nominal diameter: 50 mm / 2 in
• Materials: S5, S6, S8, C6, A8, D1 and special materials
• Flanges: ANSI B16.5 Class 300 and Class 600 flanges available as standard.
• Bearings: Heavy-duty 40° angular contact thrust bearings exceeding API requirements. Oil bath or oil mist lubrication.
• Cooling: No cooling water circuit required. Steel bearing bracket with integrated cooling fins and optional fan impeller protect against overheating at high fluid and ambient temperatures.
• Mechanical seals: To ISO 24109 / API 682 in cartridge design.
• Shaft: Maximum permissible shaft diameter to API 610, minimizing shaft deflection and vibrations.
• Design: Machined from a single piece, no radiographic testing required. Large inlet area for good NPSH values without inducer.
• Hydraulics: Offers very stable hydraulic performance. Various impeller sizes and diffuser versions are available for tailored solutions. Innovative hydraulic design, easy to match to the required duty point.

Disclaimer

This summary is based on extracted text and may not include all figures, footnotes, or the latest revisions from the original PDF datasheet. Contractual data must always match the OEM PDF revision used on the project.

Official datasheet (PDF)

Lenntech datasheet mirror