ERPN Overhung Centerline Mounted API Process Pump
The ERPN is the pump of choice for severe chemical, petrochemical, refining and heavy-duty industrial service where full compliance with API 610 is not required. This pump provides users with the important mechanical, hydraulic, emissions control and safety components required by the latest ISO 13709/API 610 standards.
Applications:
Solvents, Waste Processing, Caustic and Chlor-alkali, Acid Transfer, Polymers, Volatile Organic Compounds, Distillation (oil and gas), Drilling and Production, Offsites and Waste Treatment, Paper Stock, Slurry Processing, Auxiliary Services (power)
Industries:
Pulp and Paper, Power Generation, Oil and Gas, Chemical Processing
Standards:
API682
Centerline Supported Pump Casing accommodates nozzle loads in accordance with ISO13709/API 610 design requirements.
Precision Cast Impeller is dynamically balanced to limit vibration and assure smooth operation over a wide flow range.
Flanges are in accordance with ASME B16.5 Class 300 RF standard or 600 RF optional.
ISO 21049/API 682 seal chamber accommodates a wide variety of seal configurations including dual pressurized and unpressurized cartridge types for the most severe services.
Semi-Open Impeller and High Pressure designs available.
Operating Parameters
- Flows to 1100 m3/h (4800 gpm)
- Heads to 230 m (750 ft)
- Pressures to 60 bar (870 psi)
- Temperatures to 350°C (660°F)
ERPN Overhung, Single Stage, Process Pump Chart
ERPN Overhung, Single Stage, Process Pump App
ERPN Pump Bulletin
ps-10-20-ea4
Flowserve ERPN Pumps – Overhung, End-Suction Process Pump – ISO 13709/API 610 (OH2)
ERPN centrifugal pumps User Instructions
71569274-75-76-e
Installation, Operation, & Maintenance Instructions for Horizontal, End Suction Pumps
