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Allison Engineering has released a TUV-approved stainless-steel guard that protects against dangerous spray outs of flammable liquids and fuel oils from flanged pipe joints.

The Allison safety shield incorporates a steel band and an internal stainless-steel mesh that wraps around flanges and valves.

This mesh is designed to sit against the flange, between it and an outer steel band, and compresses against it to ensure that sprays or leaks are dispersed, while also preventing lateral spray.

The mesh acts as a seal: it is ‘pinched’ in the middle to form a raised layer that squeezes in the small gap between the two flange faces.

The shield, which is TUV approved and has been pressure tested up to 50 bar, has a quick-release connection and does not require tools or knots to be tied, making installation and removal quick and simple.

It provides effective spray control on most flange configurations – round, oval or square – and regardless of the flange gap, the internal stainless mesh adapts accordingly.

Allison Engineering

Allison Engineering Ltd has been established for 30 years and specializes in the supply of high quality process instrumentation and safety related equipment. Markets served include Oil, Gas and Petrochem, Water & Waste, Environmental, Power, Pharmaceutical and Automotive.


We supply an extensive range of flow and level products, such as Thermal Gas Mass Flow Transmitters, Thermal Flow & Level Switches, Flow conditioners, Magnetostrictive Level, Guided Wave Radar, Laser level transmitters and Magnetic Level Gauges.


More recently our range has extended with the addition of specialised safety products, such as safety shields that prevent pipeline spray-outs, acid detection paint and Tuneable Laser Gas Detection products. We are proud of our reputation of being able to solve ‘difficult’ process problems by offering non-competing, alternative, state-of-the-art technologies. This means we can guarantee product knowledge, application knowledge as well as competition knowledge.

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