The BB4 Type – MRSC/MRSD is a horizontal, radially split, multistage ring-section pump with bearings on both ends, fully compliant with API 610 (ISO 13709). It features single-suction radial impellers, interstage diffusers, and optional back-to-back impeller arrangement. The first stage can be designed with a double-entry impeller to meet low NPSH requirements.
Applications: Refineries, petrochemical and coal chemical industries; boiler feed pumps, water injection pumps; feedwater transfer pumps for thermal power plants and industrial facilities; mining, seawater desalination, reverse osmosis, etc.
Technical Specifications
Size DN (mm): 40–200
Flow rate Q (m³/h): ≤ 1,160
Head H (m): ≤ 2,800
Pressure P (bar): ≤ 310
Temperature T (°C): ≤ +210

