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Request a Quote
  • About
    • Company History
    • Safety EMR
    • Our Clients
    • Our Affiliates
    • Employment Opportunities
    • Contact Us
    • Testimonials
  • Services
    • Cleaning Services
      • Condenser Tube Cleaning
      • Heat Exchanger Tube Cleaning
      • Mobile Heat Exchanger Cleaning
      • Plate & Frame Heat Exchangers
      • Service & Circulating Water Pipe Cleaning
      • Cooling Water Pipe Cleaning
      • Pipe and Tank Cleaning
      • Industrial Cleaning/ Coating
      • Boiler System Cleaning
    • Testing Services
      • Hydrostatic Pressure Testing
      • Tube Leak Detection Services
      • Pipe Leak Detection
      • Helium Leak Detection
      • Ultrasonic Leak Testing
      • Eddy Current Services
    • Decontamination Services
      • Steam Generator/ Channelhead Decontamination/ MSR
      • Industrial Decontamination
      • Radiological Decontamination
      • COVID-19 Capabilities
    • Surface Preparation Services
      • Water Intrusion Control & Concrete Repair
      • Surface Preparation & Coating Application
      • Coating Removal
      • Hydro Demolition/ Concrete Preparation
      • Consulting & Reporting
    • Inspection Services
      • Video Inspection
      • Tube Leak Detection
      • Eddy Current Services
    • Other Services
      • Tube Plugs
  • Industries
    • Nuclear
    • Fossil
    • Industrial
    • Construction
    • Marine
    • Pulp & Paper
    • Petrochemical
  • News/Events
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    • Brochure
    • Subcontractor Agreement
    • T&C
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  • Request a Quote

Hydrostatic Pressure Testing

Home > Our Services > Testing Services > Hydrostatic Pressure Testing

“Hydrostatic Pressure Testing” is a diagnostic technique to check pressure vessels, pipes, and boilers for leaks or defects. The device to be tested is filled with an incompressible liquid, usually water or oil. With the assistance of a positive displacement pump incorporating appropriate safety reliefs and controls, the pressure of the test component is slowly increased to a predetermined set point and held for a predetermined time. Visual inspection is subsequently performed to determine if any leakage exists and if the pressure set point reduces.

hydrostatic-pressure-testing-1

Hennigan Engineering deploys the appropriate electric, air or diesel-driven positive displacement pump system as well as experienced personnel to perform our testing. Normal testing utilizes a low volume, medium-pressure (20 psi to 2,000 psi), hydrostatic test pump designed to test low-pressure systems. Larger capacity diesel driven pumps are also available to test large systems or vessels to pressures up to 60,000 psi. The test pump assemblies are complete with an unloader valve or pressure regulator to regulate pressure, a high-pressure discharge valve to isolate the device being tested and a pressure gauge or transducer with a digital recorder that is traceable to the National Institute of Standards and Technology (N.I.S.T.)  for certification of the test.

Please feel free to contact us directly regarding case studies on hydrostatic pressure testing.

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