WATER PRESSURE GAUGE | PM-E.VN

What Is a Water Pressure Gauge?

A Water Pressure Gauge is a device used to measure water pressure in pipelines, tanks, pumping systems, and industrial or residential water supply systems.

The gauge helps operators monitor water pressure to ensure stable operation, detect leakage, and protect pipelines and related equipment.

A typical water pressure gauge consists of:

• Pressure dial display
• Pointer needle
• Mechanical movement
• Threaded or flanged connection

Water pressure gauges are widely used in:

• Water supply systems
• Pumping systems
• Water treatment plants
• Irrigation systems
• HVAC systems
• Industrial facilities

What Is Water Pressure?

Water pressure is the force exerted by water as it flows through a piping system.

Pressure is commonly measured in units such as:

• Bar
• PSI
• MPa
• kPa

In practical terms:

• A 10-meter water column is approximately equal to 1 bar pressure

The higher the pressure, the greater the force pushing water through the system. Using a water pressure gauge helps monitor and control system pressure for safe and efficient operation.

Key Features of Water Pressure Gauges

Water pressure gauges are widely used because of the following advantages:

• Accurate and stable pressure measurement
• Durable and rugged construction
• Easy installation and maintenance
• Wide range of sizes and pressure ranges
• Good vibration and corrosion resistance
• Suitable for various water and liquid applications
• Stable operation in industrial environments

The device allows operators to continuously monitor water pressure conditions in real time.

Technical Specifications

Dial Sizes

• 63 mm
• 100 mm
• 150 mm
• 200 mm

Case Materials

• Stainless Steel 304
• Stainless Steel 316
• Brass

Thread Sizes

• 1/4”
• 3/8”
• 1/2”
• 3/4”
• 1”
• 1-1/4”

Connection Types

• Threaded connection
• Flanged connection

Mounting Styles

• Bottom mount
• Back mount
• Offset back mount

Gauge Types

• Liquid-filled
• Dry type

Protection Ratings

• IP65
• IP67
• IP68

Accuracy Classes

• Class 1.0
• Class 1.6
• Class 2.5

Pressure Range

• 2 bar to 40 bar
• Or customized according to system requirements

Operating Temperature

• Up to 180°C

Suitable Media

• Clean water
• Industrial water
• Non-corrosive liquids

Construction of a Water Pressure Gauge

A water pressure gauge consists of the following main components:

Gauge Case

Typically made from:

• Plastic
• Brass
• Stainless steel

Depending on the application and technical requirements.

Dial Face

Usually manufactured from aluminum or steel with clearly marked pressure scales for easy reading.

Pointer Needle

Displays the measured pressure value on the dial.

Mechanical Movement

Receives motion from the Bourdon tube and transfers it to the pointer.

Socket Connection

The connection point between the gauge and the pipeline system.

Protective Lens

Normally made of reinforced glass to provide impact resistance and clear visibility.

Bourdon Tube

This is the most important component in a mechanical pressure gauge, converting pressure into mechanical movement.

Working Principle

When water pressure inside the pipeline increases, the pressure acts on the Bourdon tube or sensing diaphragm inside the gauge.

This deformation is transferred to the movement mechanism, causing the pointer to rotate across the dial.

The pressure value is displayed directly on the dial face, allowing operators to continuously monitor system pressure.

Types of Water Pressure Gauges

Mechanical Water Pressure Gauge

This is the most commonly used type because of:

• Affordable cost
• No power supply required
• Easy operation
• Simple maintenance and replacement

Mechanical gauges operate based on the movement of a Bourdon tube.

Digital Water Pressure Gauge

Digital pressure gauges use pressure sensors to display pressure values on a digital screen.

Advantages include:

• High accuracy
• Easy-to-read display
• Clear digital indication
• Unit conversion capability

Some models support units such as:

• Bar
• PSI
• MPa
• kPa

These gauges are suitable for automation systems and high-precision applications.

Industrial Applications

Water pressure gauges are widely used in:

• Water supply and distribution systems
• Water treatment plants
• Industrial pumping systems
• HVAC systems
• Fire protection systems
• Irrigation systems
• Industrial production lines
• Food processing plants
• Chemical factories

The device helps:

• Monitor water pressure
• Detect pipeline leakage
• Check pump system performance
• Protect pipelines and equipment

Residential Water System Applications

In residential plumbing systems, sudden pressure fluctuations may cause:

• Water leakage
• Pipe damage
• Failure of household appliances

Using a water pressure gauge helps monitor pressure effectively and improve the safety of household water systems.

Irrigation System Applications

For sprinkler and drip irrigation systems, stable pressure and flow are essential.

A water pressure gauge helps:

• Monitor water pressure
• Calculate flow rate
• Ensure efficient irrigation system performance

The device is especially important in agricultural and automated landscaping systems.

PM-E.VN – Trusted Supplier of Pressure Gauges in Vietnam

PM-E.VN – Phuc Minh Engineering specializes in supplying pressure gauges, industrial valves, and instrumentation equipment for industrial systems throughout Vietnam.

Our products are imported directly from Japan, Korea, and Europe with full CO-CQ certification.

We distribute products from reputable brands such as:

• YAMAMOTO KEIKI
• WIKA
• WISE

Why Choose PM-E.VN?

• Genuine imported products
• Full CO-CQ documentation
• Competitive pricing for projects and distributors
• Professional technical support
• Wide range of pressure ranges and connection options
• Fast nationwide delivery
• Application-focused consultation

Our engineering team is always ready to help customers choose the right pressure measurement solution for water systems and industrial applications.

Related Products

• Liquid-filled pressure gauges
• Stainless steel pressure gauges
• Vacuum pressure gauges
• Low pressure mbar gauges
• Differential pressure gauges
• Pneumatic pressure gauges
• Diaphragm pressure gauges
• Compound pressure gauges
• Industrial thermometers

Contact Us for Consultation & Quotation

📧 Email: info@pm-e.vn
☎ Hotline: 0902 720 814 – 0907 450 506 – 0902 601 875
🌐 www.pm-e.vn

PM-E.VN is committed to supplying high-quality water pressure gauges that meet industrial standards for water supply systems, HVAC, fire protection systems, and industrial manufacturing plants.