Pressure Gauge Industrial service Liquid filled

Liquid-filled pressure gauges are a type of industrial pressure gauge that is filled with a liquid (usually glycerin or silicone oil) to dampen the effects of vibration and pulsation. Here’s an overview of their features and benefits:

  1. Dampening: The primary purpose of filling the pressure gauge with liquid is to dampen the movement of the gauge pointer caused by vibration and pulsation in the system being measured. This dampening effect improves the readability of the gauge and prolongs its lifespan by reducing wear on internal components.

  2. Enhanced Accuracy: Liquid-filled pressure gauges offer improved accuracy compared to dry gauges, especially in applications where there are rapid pressure fluctuations or pulsations. The liquid filling helps to stabilize the gauge pointer, resulting in more consistent and reliable pressure readings.

  3. Shock Resistance: The liquid filling provides additional shock resistance, making liquid-filled pressure gauges suitable for rugged industrial environments where mechanical shocks and vibrations are common. This shock resistance helps prevent damage to the gauge and ensures accurate readings even under harsh conditions.

  4. Extended Lifespan: By reducing the wear and tear on internal components, liquid-filled pressure gauges tend to have a longer lifespan compared to dry gauges. The dampening effect of the liquid filling helps protect delicate components such as the movement mechanism and pointer, resulting in less frequent maintenance and replacement.

  5. Corrosion Resistance: Liquid-filled pressure gauges are often equipped with stainless steel cases and wetted parts, making them resistant to corrosion from exposure to harsh chemicals and environmental conditions. This corrosion resistance ensures the longevity of the gauge and maintains its accuracy over time.

  6. Wide Range of Applications: Liquid-filled pressure gauges are suitable for a wide range of industrial applications, including hydraulic systems, pneumatic systems, process control, HVAC systems, water and wastewater treatment, and marine applications. They are particularly well-suited for applications where accurate pressure measurement is critical and where there are high levels of vibration or pulsation.

  7. Easy-to-Read Dial: The liquid filling helps to dampen the movement of the gauge pointer, resulting in a steadier and more stable display on the gauge dial. This makes it easier for operators to read and interpret pressure readings, even in dynamic or high-vibration environments.

Overall, liquid-filled pressure gauges offer enhanced accuracy, durability, and reliability compared to traditional dry gauges, making them an ideal choice for demanding industrial applications where precise pressure measurement is essential.

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