RO Feed Pumps

RO units often fail to perform when pump pressure or material compatibility falls short. Our RO Feed Pumps deliver flow rates up to 200 m³/h and pressure up to 80 bar using duplex and super duplex bodies.

Flow Rate Range

1 m³/h to 200 m³/h (4.4 GPM to 880 GPM) – Multi-stage designs for large RO systems

Pressure/Head Capacity

10 to 80 bar (145 to 1,160 psi) – Standard for seawater/brackish water applications

Power Requirements

1.5 kW to 110 kW (2 HP to 150 HP) – 3-phase, 380-480V, 50/60Hz, VFD standard

Materials of Construction

Pump Housing: SS 316, Duplex, Super Duplex Impeller: Polyamide, SS 316, Bronze

Fluid Compatibility

Brackish Water, Seawater, Pretreated Feedwater – TDS up to 45,000 ppm

Product Description

Low-grade seals and mismatched metallurgy can reduce lifespan in high-TDS or corrosive environments. We engineer each pumps for seawater, brackish water, or pretreated sources using correct alloys, seals, and impeller types.

Temperature Range

5°C to 45°C (41°F to 113°F)

Connection Types & Sizes

Flanged (ANSI/DIN), Threaded (BSP/NPT) – Sizes: 25 mm to 150 mm (1″ to 6″)

Mounting Configuration

Horizontal, Close-Coupled – Baseplate with vibration isolation

Seal System

Mechanical Seal (SiC/SiC) or Mag Drive – Leak-proof for chemical dosing systems

Efficiency Rating

75% to 88% – Optimized for high-pressure, low-flow operation

NPSH Required

2 m to 6 m (6.5 ft to 20 ft) – Critical to prevent cavitation

Speed Range

1,450 RPM to 2,900 RPM – Lower speeds for high-pressure models

Operating Pressure Rating

Max 100 bar (1,450 psi) – Working pressure typically 15-60 bar

Certifications & Standards

ISO 9001, NSF/ANSI 61, ASTM BPE – FDA-compliant materials for potable water

Operating Noise Level

< 75 dB(A) – Quiet operation with sound enclosures

Coupling System

Flexible Spacer Coupling (API 610) – Precision-aligned for high-speed operation

Technical Advantages

Membrane performance depends on exact pressure and flow input, which varies by source water. Our RO Feed Pumps work across 10–80 bar and 1–200 m³/h using multistage configurations.
Tight control of NPSH and inlet velocity prevents cavitation, which can damage pump internals over time. We support VFD integration and spacer couplings for stable speed control and minimal vibration during operation.

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Need reliable Flanges for your next project? Get in touch with us today, and we’ll help you find exactly what you need!

Industry Applications

Seawater Desalination Plants

Provides high-pressure input to RO membranes, handling up to 45,000 ppm TDS without material fatigue.

Industrial Wastewater Reuse Systems

Feeds pretreated water through membrane trains with leak-proof seals for aggressive chemical loads.

Power Plant Boiler Feedwater Units

Supports pre-RO treatment with stable pressure under variable flow conditions in thermal cycles.

Marine Freshwater Generation Units

Delivers compact, corrosion-resistant pump options for offshore RO skids in vessels or rigs.

Food & Beverage Process Water Systems

Transfers clean feedwater with FDA-compliant materials that prevent leaching into sensitive flows.

Textile Effluent Recovery Systems

Handles high-contaminant input with durable seals and speed-adjustable motors for controlled dosing.

High-Pressure Pumps for Demanding RO Systems

System reliability begins with a pump that matches your site’s salinity, pressure, and fluid profile. We offer housing in SS 316, duplex, or super duplex, and impellers in polyamide, bronze, or stainless.
You can specify seal material, baseplate design, and inlet style based on your skid layout and chemical profile. We help you configure the exact model for your load plan and energy input to avoid downtime or oversizing.

Having Doubts? Our FAQ

Check all our Frequently Asked Question

Can the pump handle high salinity or variable TDS levels in our feedwater?

Yes, we can configure the pump using duplex or super duplex material depending on the salinity profile. For TDS levels up to 45,000 ppm, we adjust impeller type and seal design. You can also choose surface finishes for better corrosion handling over time.

Can you match our site’s power specs and motor standards during manufacturing?

We support motors in 380–480V, 50/60Hz ranges and can integrate VFD-ready configurations on request. You can specify insulation class, IP rating, and starter compatibility. This avoids mismatch during on-site integration with your control panel.

What options do you offer for inlet/outlet configurations and mounting styles?

You can choose between flanged (ANSI/DIN) or threaded (BSP/NPT) connections, with port sizes from 25 mm to 150 mm. Mounting options include horizontal close-coupled units with vibration-isolated baseplates. We align these based on available skid space and pipe routing.

How do you help us select the right pump if we have variable flow and pressure needs?

We run selection based on your RO membrane specifications, input water profile, and system backpressure. Multi-stage or single-stage options can be matched to your flow range between 1 to 200 m³/h. We share curve data and NPSH charts before order confirmation.

Can we request pump selection based on space constraints or skid layout limitations?

Yes, we can modify the baseplate size and choose close-coupled mounting to fit compact RO skids. Port orientation and coupling type can also be adjusted based on your piping layout. We share dimensional drawings early to align with your space plan.

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LOCATIONS

Sitz

10-A, First Floor, V. V Komplex, Prakash Nagar, Thiruverumbur, Trichy-620013, Tamil Nadu, Indien.

Operations Office

9/1, Poonthottam Nagar, Ramanandha Nagar, Saravanampatti Coimbatore-641035, Tamil Nadu, Indien. ㅤ

RO Feed Pumps

Flow Rate Range

Pressure/Head Capacity

Power Requirements

Materials of Construction

Fluid Compatibility

Product Description

Temperature Range

Connection Types & Sizes

Mounting Configuration

Seal System

Efficiency Rating

NPSH Required

Speed Range

Operating Pressure Rating

Certifications & Standards

Operating Noise Level

Coupling System

Technical Advantages

Let's Get Started

Industry Applications

High-Pressure Pumps for Demanding RO Systems

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Having Doubts? Our FAQ

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Wir freuen uns auf Herstellung für Sie!

LOCATIONS

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Operations Office

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RO Feed Pumps

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RO Feed Pumps

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