Ensuring Safety in PNEUMATIC & HYDROSTATIC testing

Pressure Testing Safety Enclosures

Pressure testing procedures can release high-impact energy in the form of ruptured components and high-velocity fragments, making engineered shielding critical to a safe testing environment. Our overpressure protection enclosures are purpose-built to safeguard personnel and equipment during these types of procedures. 

Discover how our Shielded Enclosures are designed to protect your personnel and machinery and why you should include them in your pressure testing equipment.

Clear blast-proof room manufactured with polycarbonate panels and aluminum and steel framing.

The Critical Role of Engineered Enclosures

Hydrostatic & Pneumatic Pressure Test Safety

Engineered enclosures are vital in mitigating the risks associated with overpressure events. These events, often occurring during testing or operational phases, can lead to catastrophic failures if not properly managed.

Built with clear, blast-rated panels and our proprietary modular framing system, TotalShield’s pressure testing enclosures allow full visibility while providing robust containment. Whether you’re testing valves, pipes, vessels, or other pressurized components, our shielded enclosures are designed to absorb and deflect the forces generated by overpressure events.

Risks of Pressure Testing

Pressure testing poses significant risks if not conducted with adequate protection. The sudden release of pressure can result in explosive forces that can lead to equipment destruction, serious injuries, and costly downtime.

These incidents often stem from:

  • The presence of air pockets during hydro tests
  • Improper substitution of pneumatic for hydrostatic testing
  • Rapid pressurization without proper monitoring
  • Failures in pressure relief systems
Our enclosures are specifically engineered to withstand these forces, providing a reliable barrier that minimizes risk and maximizes safety during testing procedures.
Read more about the risks associated with pressure testing and the importance of proper shielding.
Shield enclosure with mobile cart included.

Overpressure Protection Enclosures Features

Our enclosures are designed with advanced materials to withstand extreme pressure conditions, ensuring maximum safety during testing.
Robust Containment
Our overpressure protection enclosures are engineered to absorb and contain the force of unexpected pressure release. Manufactured with impact-rated panels and our proprietary framing system, they’re ideal for procedures involving gas pressure buildup, combustible fluids, or critical failure points.
Customizable Designs
We offer a range of customizable options to fit specific testing requirements so your shielding solution adapts to your workflow.

  • Single-door or wall configurations
  • Full shielding rooms
  • Benchtop enclosures
  • Mobile cart-integrated enclosures
  • Hinged or sliding access panels
  • Integrated vented panels for pressure relief
  • Anchored floor mounts for fixed test bays
  • Ceiling
Clear Blast-Rated Panels
Our modular enclosures are built with transparent, blast-rated panels that provide visibility into your test area while maintaining full containment of any failure events.
Integrated Safety Features
Equipped with pressure relief mechanisms, our enclosures provide safe operation and minimize risk during testing.

They can include lighting integration, fume extraction, fire impression system integration, ventilation, ballistic blanket integration, and more.

Explore Our Enclosures in Action

Our Past Projects

Shield Barrier Side
Img 2 Standalone Shield Barrier. 6’ wide x 7.5’ tall Mobile Barrier designed to protect personnel during hydrostatic testing. It has a base level of protection, with 4 identical polycarbonate panels for maximized visual contact. It includes 4 braces for framing support and stability.
Standalone Shield Barrier
Img 1 Standalone Shield Barrier. 6’ wide x 7.5’ tall Mobile Barrier designed to protect personnel during hydrostatic testing. It has a base level of protection, with 4 identical polycarbonate panels for maximized visual contact. It includes 4 braces for framing support and stability.
Enclosure for pressure testing
Image 1, front. This enclosure is designed for pressurizing heat exchanger coils to test for leaks. It features a mild steel base, an interface panel, and a vented shield panel for overpressure release. The metal-framed mobile cart has caster wheels for easy relocation. Dimensions: 3 x 3 x 4 ft, 32” tabletop.
Pneumatic Testing Mobile Enclosure
Mobile Enclosure designed to contain high-impact upon pneumatic failure of a vessel charged with Helium. It includes a top and side vented panels to enhance max pressure release. It also features an internal polycarbonate sliding door NIJ Level 3 rated, and 4 sides with steel interface panels, with a powder gray coat finish, and a mobile cart with 4 wheels and 4 hoist rings.
Mobile enclosure with features that allow internal overpressure relief
Mobile enclosure designed with a vented offset shield panel in the ceiling for internal overpressure relief and steel user interface plate, which allows drilling holes and cutouts for access ports into the enclosure.
Enclosure with mobile cart designed for high-pressure pneumatic testing.
Enclosure designed for high-pressure pneumatic testing of a COPV (Composite Overwrapped Pressure Vessel). It features a vented shield panel in the ceiling to relieve pressure in case of a burst of the UUT, a heavy-duty mobile cart on locking casters, and a sliding door on ball rollers. It also has a steel interface panel for custom access holes.
Walk-in safety chamber for hydrostatic testing
Image 2, front. Custom walk-in chamber with a fully retractable roof and two access-man doors, designed for a hydrostatic test. Roof access for overhead crane access to drop unit under test.
Containment Enclosure
Mobile enclosure designed to connect to a high-pressure and explosive blast test rig capable of containing fumes and overpressure peaks while maintaining visual contact with the process.
Shield enclosure with mobile cart included.
Mobile shielding enclosure designed to contain projectiles impact from a pneumatic compressor upon failure. It's capable of withstanding fittings and components of small diameter, made of metal, and offers a pressure release solution through its vented panel on top of the unit. It also features a quick-access ballistic-rated polycarbonate sliding door.
Mobile containment enclosure designed for pneumatic pressure testing.
Portable shield enclosure with mar-resistant polycarbonate mounted in a TotalShield steel and aluminum framing system. It was designed with a removable front sliding door on teflon track. Requested for pneumatic pressure testing.
Containment enclosure manufactured by TotalShield for pneumatic pressure testing procedures.
Custom tested containment enclosure manufactured by TotalShield for pneumatic pressure testing procedures. Features include interface and venting panels, mobile cart base, dual sliding doors, and steel plate base.
Transparent pneumatic pressure testing containment.
Transparent benchtop shield enclosure designed with mar-resistant polycarbonate laminate solvent weld bonded construction. Requested as pneumatic pressure testing containment.
Impact-resistant mobile shield barrier designed for laboratory fume hood testing procedures.
Laboratory Fume Hood testing shield. The mobile barrier is pushed in front of an open fume hood during pressure test operations. It features handles to assist with mobility, with swivel hoist rings, and low profile swivel casters with brakes.
Containment room manufactured by TotalShield.
Pressure testing room with full side opening access and rolling roof access door for overhead crane use. Includes interface and vent panels.
Impact-resistant room for industrial procedures
The labyrinth opening is a hands-free entry and exit point that gives a direct line of sight or path for projectiles. This prevents projectiles from entering the protected office area.
Lithium-ion battery walk-in testing chamber manufactured by TotalShield.
Shield Room with 1.25” thick mar-resistant polycarbonate mounted in TotalShield’s proprietary framing system, with a high sliding door, two ceiling vents, and steel plate interface panel.
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Considerations for Pressure Testing Shielding

TotalShield pressure testing enclosures are not a replacement for procedure safety, they’re a complement to it. We work closely with engineers, EHS teams, and plant managers to ensure each unit supports the broader safety protocols you already have in place.

Whether you’re performing a hydrotest or pneumatic pressure test or pressure vessel testing, our engineering team will design the shielded enclosure you need.

Why Engineers Choose TotalShield

TotalShield enclosures give you a critical layer of protection that doesn’t disrupt your workflow but drastically reduces your exposure to high-risk scenarios.

Our over 20 years of experience spreads over industries such as: 

  • Oil and Gas 
  • Aerospace 
  • Automotive 
  • Manufacturing 
  • Green Energy
  • Test Labs

That’s why leading engineers trust TotalShield as an essential part of their pressure testing safety strategy.

You can also read our Pneumatic Pressure Testing Handbook.

Protect What Matters

Your people. Your equipment. Your facility. When pressure testing is part of your operation, overpressure protection isn’t optional, it’s essential.

With TotalShield’s custom-engineered containment enclosures, you can maintain testing precision without compromising safety. We help you meet industry codes, reduce liability, and foster a culture of operational excellence.

Let’s build a safer testing environment together 🛡️

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