This Stainless Steel Bourdon Tube Pressure Gauge provides a visual pressure level indication of lquid or pneumatic media of a corrosive nature. Suited for BERMAD fire protection valves that are intended to be installed in harsh conditions such as chemical or petro-chemical plants, power plants, mining, offshore and onshore. The core of the Pressure Gauge is a spring suspended movement, which is resistant to shock, vibration and pulsation, assuring long lasting and accurate performance. The Glycerin liquid filled case is suitable for high dynamic pressure pulsations or vibrations, with excellent shock resistance. The pressure gauge utilizes an impact/heat resistant window, rated for IP 65 ingress protection per EN 60 529 / IEC 529 and complies with EN 837-1 design.