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ST Series Pumps

Our industrial pumps, including the ST Series, are manufactured in compliance with international standards using advanced yet straightforward methods. These series offer a selection of options tailored for industrial use, ensuring exceptional quality and performance for oil and gas companies and governments.

The versatile ST Series Pumps offer a variety of mounting configurations, including close-coupled, SAE engine-mount, horizontal frame-mount, vertical, and vertical coupled options. These pumps are well-suited for firefighting applications. The ST Series pumps are available in Iron and CD4MCu stainless steel, which provides corrosion resistance equal to or better than 316 SS while boasting double the yield strength.

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ST Series Pumps

ST Series Pumps – Unleash Industrial Excellence

Welcome to the world of MERAJ’s Industrial Pump Series, a realm where performance meets precision. Designed to excel in a multitude of applications across various industries, our ST Series Pumps redefine industrial pumping. Whether it’s water, chemicals, petroleum, or the toughest sludge, these heavy-duty process pumps are your unwavering companions in tackling diverse challenges.

Elevate Efficiency with ST Series

In the heart of industrial operations, efficiency reigns supreme. The ST Series Pumps embody efficiency at its finest. Crafted to handle water, chemicals, oil, and more, their centrifugal force propels them to the forefront of industrial excellence. From sewage systems to dewatering, canneries to construction sites, the ST Series takes on each task with unwavering determination.

Crafted for Reliability

When the stakes are high, reliability becomes non-negotiable. Our ST Series Pumps are manufactured to international standards, marrying advanced engineering with straightforward functionality. Perfect for oil and gas companies and governments, these pumps are your partners in conquering industrial frontiers.

Innovation Meets Adaptability

The ST Series Pumps boast an array of mounting configurations, offering tailored solutions for industrial settings. From close-coupled to vertical options, their versatility adapts to your specific needs. These pumps shine in firefighting applications, ready to combat emergencies with the utmost precision.

Unyielding Strength

Choose from Iron or CD4MCu stainless steel for your ST Series pump, both promising corrosion resistance that rivals or surpasses 316 SS. With double the yield strength, these pumps embody durability that stands the test of time. The ST Series pumps handle the harshest substances without a hint of compromise.  


When the job demands unmatched power and reliability, the MH Series steps up to the challenge.

  • Variable Speeds
Enjoy adjustable performance tailored to your specific needs, enhancing efficiency and adaptability.
  • Hydraulic Drive
The hydraulic drive system ensures optimal power delivery, contributing to consistent and reliable pumping operations.
  • Two-Vane Closed Impeller
The advanced 2-vane closed impeller design maximizes fluid movement, providing high efficiency and performance.
  • Dry-Run Capability
Built to withstand challenging conditions, these pumps can operate dry without compromising their functionality.
  • Oil-Lubricated Seals
The oil-lubricated seals contribute to the pumps’ longevity by minimizing wear and tear, ensuring sustained performance.
  • Booster Pump Compatibility
Harness the ST Series pumps as efficient booster pumps, enhancing overall fluid transportation and pressure.
  • Direct Pipeline Bolting
Seamlessly integrate the ST Series pumps into your existing pipelines, streamlining installation and minimizing downtime.
  • Electric Drive Compatibility
These pumps are designed to work seamlessly with electric drives, offering flexibility in power sources.    

ST Series – Technical Data

ST-4 ST-6 ST-8 ST-10 ST-12 ST-14 ST-16 ST-20 ST-24
Discharge 4” 6” 8” 10” 12” 14” 16” 20” 24”
Max. Head (ft.) 450 300 360 360 200 120 240 140 140
Max. Flow (GPM) 1600 3200 5225 10,000 10,000 12,000 17,000 24,000 32,000
Max. RPM 2000 2000 1800 1800 1800 1200 1200 750 750
Max. Power (HP) 250 125 300 500 250 200 500 500 700
Impeller 17.5" 14" 17.5" 18.5" 14" 17.5" 22" 28" 28"
Max. Solid Sphere 3" 3" 3.38" 4.75" 3" 4" 4.5" 5" 5.25"
About Meraj

We offer a diverse range of high-quality and innovative equipment & vehicle solutions for various industries. Our commitment to excellence and customer-centric approach ensures that our equipment is designed to meet your specific needs and deliver exceptional performance.



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