Flowserve® DVSH-RO Single Case - Axially Split Between Bearings Pump
Flowserve DVSH-RO is a single-stage, high-pressure membrane feed pump designed for heavy-duty seawater reverse osmosis service. Built on the ISO 13709/API 610 (BB1) DVSH platform, its optimized hydraulics, side-by-side nozzles and corrosion-resistant materials support efficient, stable and reliable desalination operation across a wide flow range.
... Read more Read less- Double-suction impeller balances axial thrust and minimizes NPSHr to support efficient, stable membrane feed operation
- Double-volute, axially split optimized-weight casing reduces radial forces and shaft deflection to extend bearing, seal and wear-ring life
- Heavy-duty shaft runs with a short bearing span that helps limit deflection
- Lower-half nozzles enable disassembly without disturbing piping and accommodate loads meeting or exceeding ISO 13709/API 610 requirements
- Synthetic wear rings provide high efficiency operation
- Flows to 7,000 m³/h (30,820 gpm)
- Heads to 600 m (1,968 ft)
- Pressures to 100 bar (1,450 psi)
- Temperatures to 45°C (113°F)
- Frequency of 50 or 60 Hz; compatible with VFD applications
For extended range, please consult with our specialists.
Sizes: DN 350 and 400 (14 and 16 in)
Pressure class: PN 90 (1,305 psi)
Materials:
- Super duplex (A890, Grade 5A; PREN ≥ 40)
- Optional Alloy 885 (PREN ≤ 40)
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