Pressure-Gauge.com | High-Quality Pressure Gauges & Measurement Instruments

About Huadong Pressure Gauge

For more than 20 years, Huadong Pressure Gauge Company has developed rapidly into a modern enterprise with an annual production capacity of five million gauges. We are proud to hold ISO9001, CE, UL, EUROCERT, KS, and WSF certifications, ensuring the highest standards in every product we deliver.

Our main products include a wide variety of pressure gauges, vacuum gauges, diaphragms, regulators, and thermometers. With a global reputation for quality and reliability, we serve industries ranging from oil & gas to HVAC, water treatment, and industrial automation.

20+ Years of Manufacturing Excellence
5 Million Annual Production Capacity
OEM & Custom Design Services Available
Global Export to Over 50 Countries

Our Products

Engineered for precision, durability, and reliability in industrial environments.

General Purpose Pressure Gauge

Durable brass construction, 1.5% accuracy, available in 1.5" to 4.5" sizes.

• Range: 0-100 to 0-10,000 PSI
• Connection: Bottom or Back
• Dial: 50mm, 63mm, 100mm, 160mm

Stainless Steel Pressure Gauge

Corrosion-resistant design for harsh environments and chemical applications.

• Case & Lens: SS304/SS316
• Accuracy: ±1.0% or ±1.6%
• IP65 Protection Rating

Digital Pressure Gauge

High-precision digital readout with data logging and multiple units.

• Accuracy: ±0.1% to ±0.5%
• Display: LCD with backlight
• Power: 9V battery or USB

Differential Pressure Gauge

Measures pressure difference between two points in piping systems.

• Range: 0-10 to 0-1000 PSI
• Dual inlet connections
• Ideal for filter monitoring

Vacuum Pressure Gauge

Designed for measuring vacuum levels in refrigeration and HVAC systems.

• Scale: 0 to -76 cmHg or -30 inHg
• Dual scale options available
• Glycerin-filled for damping

Compound Pressure Gauge

Measures both positive pressure and vacuum in a single instrument.

• Range: -30 inHg to +100 PSI
• Common in compressor systems
• Brass or stainless wetted parts

Industrial Thermometer

Bimetallic dial thermometers for temperature monitoring in pipelines.

• Range: -50°C to +600°C
• Stem lengths: 2.5" to 12"
• Accuracy: ±1.5%

Pressure Regulator

Maintains consistent downstream pressure in gas and liquid systems.

• Inlet: Up to 3000 PSI
• Outlet: Adjustable 0-300 PSI
• Materials: Brass, SS, Aluminum

Glycerin-Filled Pressure Gauge

Filled with glycerin to reduce vibration damage and improve readability.

• Vibration & pulsation resistant
• Ideal for pumps and compressors
• Long-term stability

Low Pressure Gauge

Precision measurement for low-pressure air, gas, and water systems.

• Range: 0-15 PSI to 0-100 PSI
• High sensitivity movement
• NPT or BSP connections

Why Choose Our Gauges?

Engineered for performance, reliability, and compliance.

Global Certifications

All products meet ISO9001, CE, UL, EUROCERT, KS, and WSF standards. We ensure compliance with international safety and quality regulations.

OEM & Customization

We welcome OEM orders and can customize dials, ranges, connections, and materials to meet your exact specifications.

Fast Global Shipping

With a production capacity of 5 million units annually, we ensure fast turnaround and reliable delivery worldwide.

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Precision Pressure Gauges for Industry