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Lewis Pumps Suppliers & Distributors in Saudi Arabia

Corrosion-resistant vertical pumps and valves for sulphuric acid and sulphur service

USA

Pumping aggressive mineral acids and molten sulfur across large-scale phosphate processing complexes and petrochemical acid alkylation units requires specialized metallurgy capable of resisting extreme chemical attack. Operating in severe industrial environments like Ras Al Khair, Jubail, and Yanbu demands specialized vertical acid pumps and robust Lewmet alloy valves that operate reliably without submerged shaft bearings. Specifying corrosion-engineered pumping systems ensures reliable process continuity, reduces emergency maintenance shutdowns, and meets rigorous operational safety mandates across the Kingdom.

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Explore Lewis Pumps products

Pumping aggressive mineral acids and molten sulfur across large-scale phosphate processing complexes and petrochemical acid alkylation units requires specialized metallurgy capable of resisting extreme chemical attack. Operating in severe industrial environments like Ras Al Khair, Jubail, and Yanbu demands specialized vertical acid pumps and robust Lewmet alloy valves that operate reliably without submerged shaft bearings. Specifying corrosion-engineered pumping systems ensures reliable process continuity, reduces emergency maintenance shutdowns, and meets rigorous operational safety mandates across the Kingdom.

About Lewis Pumps

Lewis Pumps stands as a globally preeminent manufacturer of severe-service centrifugal pumps and specialty isolation valves engineered specifically for concentrated sulphuric acid, phosphoric acid, and molten sulfur applications. As part of Weir Minerals, the brand designs fluid handling equipment that addresses the extreme mechanical and metallurgical challenges of heavy chemical refining. Its proprietary Lewmet alloys, including Lewmet 55 and Lewmet 65, provide unmatched resistance to high-velocity erosion and corrosion in concentrated acid environments at elevated process temperatures.

The company's vertical cantilever pumps feature robust oversized shafts, heavy-duty thrust bearing assemblies mounted well above the liquid surface, and precision-engineered hydraulic wet ends that operate reliably in aggressive chemical circuits. Chemical manufacturers and fertilizer producers worldwide rely on the brand to achieve long mean-time-between-failures (MTBF) and prevent costly unplanned plant shutdowns.

Lewis Pumps product range

The manufacturer offers an extensive portfolio of heavy-duty chemical process equipment engineered for extreme mineral acid service:

  • Vertical Sulphuric Acid Pumps: Heavy-duty vertical process pumps manufactured in proprietary Lewmet alloys for circulating ninety-three to ninety-eight percent sulphuric acid in absorption and drying towers.
  • Molten Sulfur Immersion Pumps: Specialized vertical sump pumps featuring steam-jacketed columns, discharge pipes, and casings that maintain liquid sulfur temperatures to prevent solidification during transfer.
  • Lewmet High-Performance Acid Gate Valves: Robust isolation valves engineered with corrosion-resistant Lewmet seats and bodies, designed for tight shutoff in high-temperature sulphuric acid pipelines.
  • Horizontal Chemical Process Pumps: Heavy-duty horizontal centrifugal pumps designed for acid transfer, chemical unloading, and auxiliary process loops where vertical mounting is not feasible.
  • High-Capacity Axial Flow Circulators: High-volume, low-head axial flow pump units designed for acid evaporators and cooling circulation loops in fertilizer manufacturing plants.

Engineers can examine related industrial flow control hardware in the industrial valves category on ListGCC.

Industries and applications in Saudi Arabia

Saudi Arabia's world-scale mining, fertilizer, and petrochemical manufacturing complexes represent major operating centers for severe-duty chemical pumps and acid valves. At major phosphate processing hubs in Ras Al Khair and Wa'ad Al Shamal operated by Ma'aden, massive sulphuric acid and phosphoric acid production units utilize Lewis vertical pumps to circulate millions of liters of concentrated acid daily through absorption towers.

In the Eastern Province and Western Province, petrochemical complexes and refinery alkylation units in Jubail, Yanbu, and Petro Rabigh deploy molten sulfur transfer pumps in sulfur recovery units (SRU) to safely transport liquid sulfur byproduct. Furthermore, specialized chemical recycling plants and acid regeneration facilities across the Kingdom utilize Lewmet gate valves to isolate high-pressure acid streams during critical maintenance cycles.

Sourcing Lewis Pumps in Saudi Arabia

Acquiring authentic process pumps, specialty acid valves, and genuine Lewmet replacement parts within the Kingdom involves coordinating with authorized Weir Minerals entities and certified Saudi process equipment suppliers. Local distributors manage mandatory import compliance through the Saber platform, furnishing SASO-certified documentation to support customs clearance and plant safety audits.

Authorized stockists based in Al Khobar, Jubail, and Riyadh maintain local support teams that assist with pump overhauls, hydraulic upgrades, and critical spare parts inventory management. Project engineers should provide comprehensive process datasheets, including acid purity levels, chlorine and fluoride trace contaminants, flow rates, and operating heads when requesting equipment proposals.

Why buy through ListGCC

ListGCC streamlines the sourcing of severe-service chemical pumps and industrial valves across Saudi Arabia by connecting process engineers, plant buyers, and EPC contractors with verified local distributors. Procurement teams can issue detailed RFQs specifying process media, pump performance curves, and project timelines to receive itemized commercial bids.

The platform offers verified vendor credentials, allowing commercial teams to compare technical capabilities, local stock availability in the Eastern or Western provinces, warranty terms, and field engineering support. This transparent bidding process ensures competitive pricing while securing genuine, high-reliability chemical handling equipment.

Frequently Asked Questions

Are Lewis Pumps and Lewmet valves compliant with Saudi SASO and Saber certification requirements?
Yes, authorized Saudi distributors manage product registration on the Saber platform, providing full SASO compliance certificates for seamless plant installation across Saudi Arabia.
How do Lewmet alloys resist erosion in Maaden phosphate and sulphuric acid plants?
Lewmet alloys feature high chromium and nickel content that form a self-healing protective layer, resisting both chemical attack and solid particle erosion at high velocities.
Why are vertical immersion pumps preferred over horizontal pumps for molten sulfur transfer?
Vertical immersion pumps place the hydraulic wet end directly inside the molten sulfur pit, eliminating dynamic suction seals that could leak or freeze.
What steam pressure is required for the heating jackets on Lewis sulfur pumps?
Steam jackets typically operate with low to medium pressure saturated steam around three to five bar to maintain optimal molten sulfur fluidity.
Can Lewis Pumps handle sulphuric acid containing fluoride or chloride impurities?
Yes, specific Lewmet alloy grades are tailored to resist severe localized pitting and crevice corrosion caused by halogen impurities in wet-process phosphoric acid.
What is the standard design life of Lewmet components compared to cast iron or standard stainless?
Lewmet components frequently deliver operating lifespans five to ten times longer than standard stainless steels or cast irons in aggressive hot acid service.
Are certified field service engineers available in Saudi Arabia for Lewis pump commissioning?
Yes, authorized regional engineering centers in Jubail and Al Khobar provide factory-trained technicians for alignment, vibration testing, and site commissioning.
How can Saudi industrial facilities submit an RFQ for Lewis Pumps through ListGCC?
Publish an RFQ detailing required pump flow, head, sulphuric acid concentration, operating temperature, and site location to receive proposals from verified distributors.