Pressure Protection

The structural integrity of storage vessels are vulnerable to the relatively small changes in pressure routinely encountered during normal operating conditions. Elmac Technologies’ Low Pressure Protection Equipment is designed to protect tanks from rupture or implosion during filling and/or emptying cycles. They limit product loss and environmental discharges whilst also protecting tanks during thermal changes. Adequate pressure protection is required to stop the catastrophic failure of a tank or vessel.

We are committed to developing world-leading Pressure/Vacuum Relief Valves, and associated safety equipment, that provide ultimate protection in low pressure process environments. Our experienced technical team work closely with our worldwide customers to design and size bespoke, cost-effective solutions that meet or exceed their requirements in terms of both safety and operational performance benefits.

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Products

The filling and emptying cycles of tanks and vessels causes change to the liquid volume and vapour space, and this together with fluctuating operating temperatures and pressures, results in the need for pressure protection equipment. Situations where a tank or vessel may be vulnerable to engulfment by fire could result in the need for large volumes of vapour to be rapidly vented in order to protect the tank and its environment. Safety devices, such as high level alarms or control systems, can malfunction, leading to catastrophic failure of the tank. This can result in critical injuries, loss of product and severe environmental damage. Accordingly, fail-safe devices, such as Pressure/Vacuum Relief Valves, Emergency Relief Vents, and/or other venting relief devices such as Bursting Discs should be fitted in addition to Flame Arresters where these may be required.

Elmac offers a full range of Pressure Protection equipment. For more detailed information, please select a specific product from our range below.

Pressure Relief Valve & Safety Relief

The Elmac Technologies® range of direct acting Vacuum Relief Valves are low pressure devices specifically designed to protect tanks, process systems and equipment from excessive pressure and vacuum.

Emergency Relief Vents

The Elmac Technologies® non-sparking Emergency Relief Vents provide emergency venting capacity in the event of fire. They can also permit access to low pressure storage tanks for inspection and maintenance.

Free Vents

The Elmac Technologies® series of Free Vents is designed for use on any atmospheric tank to prevent the build-up of internal pressure and stop the ingress of foreign matter.

Tank Gauge Hatches

The Elmac Technologies® series of Gauge Hatches allow easy access to atmospheric liquid storage tanks for manual level measurement and sampling.

Rupture Discs & Bursting Discs

The Elmac Technologies® series of Bursting Discs (or Rupture Discs) are used to protect plant, pipework, and vessels from high levels of overpressure and vacuum.

Tank Blanketing Valves

The Elmac Technologies® series of Tank Blanketing Valves offer complete protection to the storage tank product against contamination and to the storage tank itself against rupture or damage.

Elmac Technologies Technologies & Expertise

Elmac also offers far more than just flame arresters. Our range of low-pressure protection equipment is designed to safeguard tanks and vessels from under or over pressure, during both normal and emergency conditions. So, as well as being a flame arrester manufacturer, we are also pressure protection specialist.

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