40mm Radial All Stainless Steel Pressure Gauge 0–5 Bar Vacuum Manometer EN 837-1

Product Overview

This 40mm radial all stainless steel pressure gauge is designed for low pressure and vacuum measurement applications ranging from -1 to 5 bar. It adopts a Bourdon tube mechanical sensing system, ensuring reliable and stable pressure readings without the need for electrical power.

With its compact 40mm dial design and full stainless steel construction, the gauge is ideal for space-limited installations in HVAC systems, vacuum pumps, laboratory equipment, and industrial machinery.

Manufactured according to EN 837-1 standard, it ensures high accuracy, durability, and compatibility with global industrial instrumentation requirements.

Technical Specifications

Applications

• Vacuum pump systems
• HVAC refrigeration systems
• Laboratory and testing equipment
• Small industrial machinery
• Food & beverage processing systems
• Water treatment systems
• General pneumatic systems

Key Advantages

1. Compact 40mm Design

Ideal for tight installation spaces in compact equipment and instrumentation panels.

2. Stainless Steel Full Construction

Provides corrosion resistance and long service life in humid or industrial environments.

3. Vacuum & Low Pressure Measurement

Accurate measurement from vacuum to low pressure ranges (-1 to 5 bar).

4. Mechanical Bourdon Tube System

No power supply required, ensuring stable and maintenance-free operation.

5. EN 837-1 Standard Compliance

Ensures international compatibility, accuracy, and safety compliance.

Working Principle

The Bourdon tube inside the gauge deforms under vacuum or pressure changes. This mechanical movement is transmitted to the pointer, providing real-time pressure readings.

FAQ

What is a 40mm vacuum pressure gauge used for?

It is used in vacuum systems, HVAC equipment, and compact industrial installations requiring low pressure measurement.

What does radial mounting mean?

Radial mounting means the pressure connection is located at the bottom of the gauge.

Is stainless steel necessary for vacuum gauges?

Yes, stainless steel improves corrosion resistance and durability in industrial environments.

What is EN 837-1 standard?

It is the European standard defining mechanical pressure gauge accuracy and safety requirements.