Pressure Gauges

Pressure gauges are used in fluid transmission systems to monitor the fluctuations during fluid transmission. Most fluid transmission systems are operated in challenging environments, so, the pressure gauges must be chosen carefully to withstand these conditions. At Cannon Water Technology, Inc., we provide high-accuracy pressure gauges with isolators for water treatment applications. We stock water pressure gauges from leading brands like Truflo and Beta Technology. They are built to NSF/ANSI 14, CIPET, and IGBC standards. We assure the fastest turnaround times on these pressure gauges. Browse our selection to find the right pressure gauge meter for your water treatment needs!

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Types of Pressure Gauges Offered by Cannon Water Technology, Inc.

Any failure in the functioning or performance of pressure gauges can affect the process outcomes in the water treatment or chemical industries. This is why we only stock pressure gauges from Truflo, which are proven to withstand challenging environments. At Cannon Water Technology, we offer the following pressure gauges.

  • Truflo 2VU Double-Sided Pressure Gauge: This is a double-sided pressure gauge made entirely of plastic. It has a single-mold robust construction, and comes with an isolator. This pressure gauge is compatible with slurry and corrosive media. These RoHS-compliant, chemical pressure gauges offer clear scale visibility from any angle. They can be availed in different material constructions, such as PVC, CPVC, PP, and PVDF.
  • Truflo OBS Plastic Pressure Gauge: Truflo OBS plastic pressure gauges feature diaphragms, which make them suited for high pressure water transmission systems. The diaphragms help reduce metering pulsations or water hammers produced by these systems. The pressure gauges are made from RoHS compliant materials such as PVC, CPVC, PVDF, PP, etc., whereas the diaphragm of these gauges is made from PTFE Teflon®. The pressure gauge is fitted with a bourdon tube Teflon diaphragm.
  • Manifold QF | Pressure gauge: This pressure gauge by Beta Technology stands out due to its modular construction, ease of assembly and installation, and tool-free calibration. These pressure gauges are provided with common backplates, which assure tool-free quick connections for the delivery outlet, water inlet, blanking plug, and chemical NRV.

Factors to Consider When Choosing an Industrial Water Pressure Test Gauge

Industrial pressure gauges hold a great significance in fluid transmission systems. They are designed to measure and display fluid or gas pressure within a closed system. Thus, selecting the right pressure gauge is essential to ensure accurate monitoring and safety in various applications. There are several factors to consider before making any firm decision. Here are some important factors.

  • Material and Construction: The type of material used in the industrial pressure gauge construction plays a key role, especially when they are used in corrosive or harsh environments. Brass or stainless steel is the most commonly used material for gauge construction. The material used must be compatible with the concerned fluids. 
  • Size and Display: This is another critical consideration. Choose an appropriate gauge size considering the space available for installation. Also, the gauge must have a large display for easy readability of measured values. Today, most gauges come with large dials for improved visibility.
  • Temperature and Pressure: Fluid pressure and operating temperature are important considerations. Our gauges can withstand temperature variations and cover most pressure types with wide ranges. Select a pressure gauge that can handle these requirements without compromising safety, accuracy, and performance. 
  • Accuracy: The accuracy level required for your application is a crucial factor. Different gauges offer different accuracy classes, expressed as a percentage of full scale. Higher classes provide precise measurements; however, they are expensive.
  • Environmental Conditions: The environmental conditions in which the gauge will be used should be considered. Consider factors such as humidity, temperature, chemical exposure, and vibration. Select a pressure gauge with materials and features designed to withstand these conditions. Do consider other parameters specific to your application.
  • Mounting and Installation: Consider where and how the gauge will be mounted. Consider the available space, the mounting orientation, and its impact on the process or functioning. Ensure the gauge's size and connection options match these installation requirements.
  • Certification and Standards: The gauge must comply with industry standards and regulations, especially if you're in a regulated industry. ASME, ISO, or NIST are some recognized certifications that help establish the accuracy and reliability of the gauge.
  • Cost and Budget: Determine the budget range for the pressure gauge. Weigh the gauge cost against its capabilities and features. High-quality pressure gauges are expensive but offer the best return on investments (ROI) in the long run.

Selecting a pressure gauge for water treatment facilities involves balancing these factors, considering your application requirements and budget. We can help you with various reputed brands of pressure gauges with distinct features. We also assist in the selection process.

Maintenance Tips for Industrial Pressure Gauge

Continuous usage may damage pressure gauges or hamper their performance in some ways. Regular or schedules maintenance helps prevent costly downtimes and also prolongs their lifespan. The following are some important tips to keep them in a good working condition.

  • Regular Visual Inspection: It is important to conduct routine visual inspection of the gauge for any sign of damage, corrosion, or leaks. Also, check for cracks and loose connections. By identifying these issues early, you can save time, cost, and effort. 
  • Clean Surrounding Areas: Ensure the gauge and its surroundings are clean and debris-free. If you find dirt, dust, or particles, remove them, as they may affect their readings.
  • Calibration Checks: Pressure gauges may need regular calibration to get the desired results. The calibration frequency highly depends on the application and usage of the gauge. Follow the manufacturer’s guidelines and recommendations for calibration procedures and intervals to ensure precise readings.
  • Overpressure Protection: Pressure spikes and surges can occur in many industrial processes for several reasons. The sudden and transient increases in pressure beyond the defined range can harm the devices and equipment. Therefore, using overpressure protection devices to safeguard the gauge is a good practice.
  • Maintain Record History: Keep records of the gauge's maintenance, calibration history, and any issues or repairs. This information will be helpful for troubleshooting and ensuring compliance with industry standards.
  • Gauge Replacement: When there is no chance of gauge repair or its accuracy is questionable, it is advisable to replace it promptly to avoid inaccurate readings, which could lead to safety risks or process inefficiencies.
  • Compliance and Standards: Ensure the personnel understand industry-specific regulations and pressure gauge maintenance and calibration standards. Make sure your gauges meet these requirements.
  • Safety Precautions: Following safety procedures when working with pressure gauges is essential. Understand and follow all required precautions to protect personnel during maintenance, such as using PPE if required.

Applications of Fluid Pressure Gauges

Our fluid pressure gauges are used in various applications where pressure fluctuations may be high. The following are only a few common applications of these gauges.

  • Chemical Manufacturing Facilities: Our chemical pressure gauges are used for accurate pressure measurements in reactors, distillation columns and other equipment involved in chemical production.
  • Petrochemical Industry: Chemical pressure gauges are extensively used in the petrochemical industry to monitor pressure in pipelines and storage tanks used in the production and transportation of petroleum-based products.
  • Water Treatment Industry: Water pressure test gauges are commonly used in the water treatment industry to measure pressure during processes such as filtration, reverse osmosis, disinfection, and chemical dosing.
  • HVAC Industry: Our fluid pressure gauges find application in the heating, ventilation, and air conditioning (HVAC) industry, where they are used to measure pressure in boilers, chillers, pumps, and other HVAC equipment.
  • Agriculture and Irrigation: Our inline water pressure gauges are widely employed in agricultural applications, including irrigation systems, to ensure optimal water pressure for efficient water distribution and irrigation control.
  • Industrial Manufacturing: Our fluid pressure gauges are used in various industrial manufacturing processes to measure pressure variations in hydraulic systems, pneumatic systems, pressure vessels, and compressors.
  • Food and Beverage Industry: Fluid pressure gauges are used in the food and beverage industry to monitor and control pressure during various processes such as food processing, bottling, and canning. Fluid pressure gauges are crucial for monitoring and controlling pressure in pipelines, tanks, boilers, and other fluid-handling systems.
  • Pharmaceutical Industry: Fluid pressure gauges are commonly used in the pharmaceutical industry to measure and regulate pressure in manufacturing processes, sterile filtration systems, and cleanrooms.
  • Aerospace and Automotive: Pressure gauge meters are used in aerospace and automotive industries to monitor pressure in hydraulic systems, pneumatic systems, gas pipelines, tanks, and other areas as well where precise pressure measurement is critical.


These are some additional questions regarding pressure gauges. We have answered them below.

1What is the Measurement Unit for Pressure Gauges?

Pascal (Pa) is the measurement unit of the pressure gauge. One pascal equals one newton per square meter (N·m−2 or kg·m−1·s−2).

2. What is the Right Procedure to Install a Pressure Gauge?

Appropriate installation of a pressure gauge will provide precise readings. Before installing them, fix the position and location where they are installed. Once done, make a secure connection to prevent leaks. The gauge should be at the same level as the point of measurement to get the desired outcome.

3. Are Pressure Gauges Suitable for Measuring Extremely High or Extremely Low Pressures?

Yes. Today, pressure gauges are available with a wide range of pressure ratings. Make sure you choose the right one, considering your application requirements.


4. Are these pressure gauges suited for measuring the pressure variations in fluid transmission systems carrying corrosive fluids?

Yes, these pressure gauges are suited for measuring the pressure variations in fluid transmission systems carrying corrosive fluids like slurries. Our pressure gauges are designed with materials like PVC, PP, CPVC, and PVDF, which assures their corrosion resistance.

5. Are these pressure gauges RoHS compliant?

Yes, the pressure gauges are RoHS compliant. They are made of RoHS compliant materials such as PVC, PP, PVDF, and CPVC. This construction has contributed to its widespread use in water treatment and chemical processing industries.

6. How are these fluid pressure gauges protected against pressure surges?

Our Truflo 2VU Double-sided Pressure Gauges feature diaphragms, which protect them against pressure surges

7. Do these fluid pressure gauges require additional assembly?

All our pressure gauges possess single-piece molded assembly, so, no additional assembly is required. They can be easily installed following the manufacturer’s instructions.

8. Do the fluid pressure gauges ensure clear scale visibility?

Yes, these fluid pressure gauges ensure clear scale visibility. They feature high-impact carbonate lenses, as well as clear marked scales.

We understand how quality instruments and equipment contribute to effective water treatment. This is why we always take care to include only the best equipment in our collection. Contact us right away to learn about pressure gauge meters and associated solutions. Our team of professionals will be happy to help you and will locate the right gauge for your unique demands as well as provide professional guidance for all of your requirements.