Hot Product

Supplier of Water Filled Pressure Gauge for Hydraulic Systems

Guanshan Instruments, a leading supplier, offers water filled pressure gauges for hydraulic systems, ensuring stability and accuracy in diverse industrial applications.


Product Features:
  • Nominal size: 100mm
  • Accuracy: 1.6% 
  • Case: SS 304
  • Process connection: SS 304
  • Thread: 1/2 (G, PT, NPT)

Product Detail

Product Tags

Product Main Parameters

ModelPG-L-04
DescriptionLiquid filled pressure gauge
Nominal size in mm100
Accuracy class1.6
Scale ranges-1~600bar
Permissible temperatureAmbient: -5~60℃, Medium: 60℃
Process connectionCopper alloy
Connection thread1/2 (G PT NPT)
Bourdon tubePhosphor Bronze
MovementCopper alloy
CaseS.S case
BezelS.S Rolling
WindowPC
DialAluminum (customized logo)
PointerAluminum, black

Common Product Specifications

Media CompatibilityGaseous and liquid media
Vibration DampingYes
LubricationInternal components
Operating EnvironmentsIndustrial applications

Product Manufacturing Process

According to a study published in 'Journal of Manufacturing Processes,' the production of liquid-filled pressure gauges involves precision engineering and strict quality control to ensure reliability in varying conditions. The manufacturing process includes the selection of high-quality materials, such as copper alloy and stainless steel, which are resistant to corrosion and wear. Advanced techniques, including CNC machining and automated assembly lines, ensure that each unit meets the stringent accuracy requirements. After assembly, each gauge undergoes rigorous testing, including pressure and vibration tests, to confirm its performance under real-world conditions. The liquid-filling process, typically involving glycerin or silicone, is carefully controlled to prevent air bubbles, which can affect gauge accuracy. These steps contribute to the durability and precision of the gauges, confirming their suitability for demanding industrial applications.

Product Application Scenarios

A paper from 'Instrumentation and Measurement Magazine' highlights the diverse applications of water-filled pressure gauges in industries such as chemical processing, petrochemical, and HVAC systems. These gauges are critical in environments prone to mechanical vibrations, where they ensure accurate pressure readings by stabilizing needle movement. In the oil and gas sectors, they monitor pressures in pipelines and storage tanks, where reliability is paramount to prevent leaks and ensure safety. In chemical plants, water-filled gauges help manage high-pressure systems where precise readings are essential for maintaining process efficiency and preventing system failures. Their use in shipbuilding and marine applications is favored due to their resistance to saltwater corrosion and ability to function in varying environmental conditions.

Product After-Sales Service

Guanshan Instruments provides comprehensive after-sales support, including warranty services, technical assistance, and replacement parts availability. Customers can rely on a dedicated support team for troubleshooting and maintenance tips, ensuring the optimal performance of their water-filled pressure gauges. With an emphasis on customer satisfaction, the company offers flexible service options tailored to meet diverse customer needs.

Product Transportation

Guanshan Instruments ensures safe and timely delivery of water-filled pressure gauges worldwide. Each gauge is packaged securely to prevent damage during transit, with a choice of shipping options available to suit customer requirements. The company partners with leading logistics providers to guarantee reliable and efficient transportation, ensuring products reach customers in excellent condition.

Product Advantages

  • Vibration Dampening for Stable Readings
  • Enhanced Component Protection
  • Temperature Compensation Features
  • Suited for Dynamic Environments
  • Extensive Range of Sizes and Configurations

Product FAQ

  • What media can the water filled pressure gauge be used with?

    The gauge is suitable for gaseous and liquid media that are non-crystallizing and do not attack copper alloys. It is ideal for measuring hydraulic pressure in various industrial applications.

  • How does the liquid filling enhance gauge performance?

    The liquid filling dampens vibration, lubricates internal components, and provides temperature compensation, which improves gauge stability and accuracy, particularly in dynamic and high-temperature environments.

  • Can I use the gauge in freezing temperatures?

    Using water as the filling liquid in freezing conditions is not recommended due to the risk of freeze damage. Consider glycerin or silicone filling for broader temperature ranges.

  • Is the gauge suitable for corrosive environments?

    The gauge case and components are made of materials resistant to corrosion, such as stainless steel and phosphor bronze, making them suitable for various industrial environments, except highly corrosive applications.

  • What is the typical service life of the gauge?

    With proper maintenance, water filled pressure gauges can have a long service life due to their robust construction and the protective function of the liquid filling.

  • Can the gauge be customized for specific applications?

    Yes, Guanshan Instruments offers customization options, including custom dials and connection threads, to suit unique application requirements.

  • What maintenance is required for optimal performance?

    Regular inspections for leakage or damage, ensuring the integrity of the liquid filling, and keeping connection threads clean will help maintain the gauge's accuracy and longevity.

  • Does the gauge require recalibration?

    Periodic recalibration is recommended to maintain accurate readings, especially in applications where it is subjected to frequent pressure cycling.

  • How should the gauge be installed?

    Installation should be performed with consideration for pressure and temperature limits. Ensuring proper alignment and secure connections is crucial for accurate pressure measurements.

  • Are replacement parts available?

    Yes, Guanshan Instruments provides a full range of replacement parts and technical support to ensure continued performance and serviceability of gauges.

Product Hot Topics

  • The Role of Water Filled Pressure Gauges in Industrial Automation

    Water filled pressure gauges play a vital role in industrial automation by providing reliable pressure measurements in systems where accuracy is crucial to operational efficiency. These instruments are indispensable in processes that demand constant monitoring, such as chemical processing and hydraulic systems, where they help in preventing over-pressurization and system failures. With the rise in automation technologies, the demand for such precise gauges has increased, making them a staple in industrial setups that leverage automated control systems for enhanced productivity and safety.

  • Why Choose Guanshan Instruments as Your Gauge Supplier?

    Guanshan Instruments stands out as a supplier due to its extensive experience, proven product quality, and commitment to customer service. With over 30 years in the industry, the company has developed a robust portfolio of pressure measurement solutions, backed by rigorous quality control and innovative manufacturing processes. Choosing Guanshan as your supplier ensures access to reliable products designed to meet the diverse needs of modern industries, supported by excellent after-sales service and technical support.

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