Hot Tapping
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HOT TAPPING SERVICE
Live Pipeline Connections Without Shutdown
WellFab provides professional hot tapping services for live, pressurized piping systems. Our solutions allow new branch connections, valves, bypasses, thermowells, instrumentation points, and system modifications to be completed without shutting down your facility.
When downtime is not an option, hot tapping helps keep critical systems operating while controlled pipeline modifications are performed safely, efficiently, and in accordance with applicable TSSA and Ontario code requirements.
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Hot Tapping Capabilities
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Size Range: DN20 ¾ inch to DN1200 48 inch, including custom sizes
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Pressure Capability: Up to 1,100 PSI
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Temperature Capability: Up to 500°F
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Flange Classes: 150, 300, 600, and 900
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Materials: Carbon steel, stainless steel, special alloys, fiberglass, HDPE, PVC, copper, ductile iron, and cast iron
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Water, Hydrocarbons, Acids/Caustics, Process Chemicals, Solids/PCI, Wastewater, Steam
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Services: Water, glycol, steam, natural gas, hydrocarbons, wastewater, acids, caustics, process chemicals, and industrial utilities
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WellFab is authorized to perform regulated hot tapping work in accordance with TSSA requirements and applicable Ontario codes.
Where Hot Tapping Used
Hot tapping is used when a piping modification is needed but a shutdown is costly, difficult, or not possible.
✔ Water, Glycol & Steam Lines
✔ District Energy (Heating & Cooling)
✔ Oil & Gas Networks
✔ Natural Gas & Fuel Systems
✔ HVAC & Mechanical Systems
✔ Process Piping
✔ Wastewater & Sewer Systems
✔ Commercial & Industrial Facilities
✔ Custom piping applications reviewed by Wellfab
WellFab is authorized to perform regulated hot tapping work in accordance with TSSA requirements & applicable Ontario codes.
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How Hot Tapping Works?
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Install Fitting & Valve
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Mount Hot Tap Machine
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Perform Live Cut
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Pressurize & Seal System
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Retrieve Cutter & Close Valve
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Why Choose Hot Tapping?
Designed for Industrial Flexibility
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No Shutdown Required
Create new connections while the system remains live and operational.
Ideal for Critical Facilities
A practical solution for buildings, plants, utilities, and mechanical systems where continuous operation is required.
Controlled Work Under Pressure
Hot tapping allows modifications to be performed while maintaining pressure and flow within the existing system.
Reduces Downtime Costs
Zero downtime during pipeline modifications, saving thousands in lost productivity.
Flexible for Different Systems
Complete project management from planning to execution with certified technicians.
Why Choose WellFab?
WellFab combines live-system field experience with in-house fabrication, technical planning, and QA/QC documentation.
Our team supports each project from review to completion, including fitting selection, valve coordination, method planning, live tapping execution, testing, and final handover documentation.
We help engineers, owners, and facility teams complete critical piping modifications while protecting safety, uptime, and long-term system performance.
Technical Advantages
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Confined Space Capability – Engineered solutions for tight and restricted environments without system shutdown.
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TSSA Authorized – Fully compliant with applicable TSSA regulations and industry standards.
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Qualified Technicians – Experienced personnel trained in live system intervention and pressure containment.
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In-House Fabrication – Custom-built fittings and components designed to meet specific system and project requirements.
Frequently Asked Questions
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