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TRINIDAD AND TOBAGO – We got you covered
Gauges & Valves
Industrial Supplies

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Valve &
Pressure Testing

Pressure Testing &
Equipment Certification

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Equipment
Certification


Maintenance
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Delivering Excellence with Over 10 Years of Industry Expertise

With over a decade of expertise, our company brings together a wealth of experience across diverse industries, including oil and gas, manufacturing, and the built environment. We take pride in offering products and services that not only meet but exceed global benchmarks, ensuring full compliance with international standards and best practices.

As part of our ongoing commitment to excellence, we are continuously enhancing our processes and systems as we work towards achieving ISO 17025 certification. Our dedication to quality and precision is at the core of everything we do, ensuring that we deliver exceptional value to our clients across all sectors.




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High-Quality Products

We supply premium pressure gauges and valves, handpicked from trusted manufacturers to ensure both quality and performance. Our direct involvement in the design and sourcing process means that we provide only the best equipment to our clients.

  • Valves: Available in stainless steel and carbon steel, with threaded and flanged connections to meet various industry requirements.
  • Gauges: We offer a wide range of gauges, from laboratory-grade test gauges to commercial options, with sizes from 1.5” to 4” and pressure ratings from vacuum (-15 psi) up to 15,000 psi. Options include brass and stainless steel (SS), ensuring that we have the right product for your application.


pressure gauges in Trinidad

Pressure Gauges

gate valve

Valves

Technical Services

In addition to supplying gauges and valves, we offer a range of technical services to ensure your equipment performs at its best:

  • Pressure Testing: We conduct pressure testing on equipment, hoses, and spools to ensure they meet safety standards.
  • Calibration & Verification: We provide calibration and pressure testing for valves and gauges, verified through third-party inspections, up to 15,000 psi.
Commitment to International Standards

We adhere to globally recognized standards for testing and calibration, ensuring the highest levels of accuracy and reliability:

  • ANSI/Z 540-3:2006
  • ASME B40.100-2013

Our processes for storing, documenting, and delivering gauges and valves are also aligned with international best practices, ensuring that every product arrives in top condition.






“Precision, quality, and reliability — Zelwan Industrial Supplies delivers the tools you trust for the results you need.“

Zelwan Industrial Supplies

Our Services

Delivering top-quality industrial solutions with unmatched expertise and personalized service for all your pressure gauge and valve needs.

calibrating pressure gauge

Calibration: Ensuring Precision and Accuracy

Calibration is the process of adjusting and verifying the accuracy of equipment to ensure it delivers precise results.


Pressure Testing: Ensuring System Integrity

Pressure testing confirms a system’s strength and safety under real-world conditions.


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    Statutory Inspection of Air Receivers

    Regular statutory inspections of air receivers are essential to ensure their safe operation and compliance with legal standards.


    Equipment Certification: Guaranteeing Compliance

    Equipment certification ensures that tools and machinery meet industry standards, guaranteeing safety and reliability for use.


    Precision Mechanics

    Keeping your eye on the ball while performing a deep dive on the start-up mentality.


    Zelwan Industrial Supplies

    About Us

    Zelwan Industrial Supplies provides a variety of industrial products and services, catering to sectors like manufacturing and construction with tools, equipment, and maintenance supplies.
    + 1 868 776-9590/ 355-5420

    zelwanindustrialsupplies.com

    [email protected]

    LOCATIONS

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