40mm 15 PSI Stainless Steel Pressure Gauge 304 Glycerin Filled 1/4 NPT EN 837-1 Low Pressure Manometer

Product Overview

This 40mm compact stainless steel pressure gauge is designed for low-pressure industrial systems requiring stable and accurate readings under vibration conditions.

With a measurement range of 0–15 PSI (0–1 bar), it is widely used in water pumps, HVAC systems, compressors, and industrial fluid control systems.

The glycerin-filled case significantly reduces vibration and pulsation effects, ensuring smooth pointer movement and improved reading stability.

Technical Specifications

Applications

• Water pump systems
• Low pressure pipelines
• HVAC systems
• Air compressor equipment
• Industrial fluid control systems
• Water treatment systems
• Light industrial machinery

Key Advantages

Compact 40mm Design for Tight Space Installation

::contentReference[oaicite:0]{index=0}

Small size design allows installation in compact equipment where space is limited.

Glycerin Filled Anti-Vibration Technology

The filled liquid reduces vibration impact and improves pointer stability in dynamic systems.

304 Stainless Steel Construction

Corrosion-resistant stainless steel case ensures long service life in industrial environments.

Low Pressure High Sensitivity Design

Optimized for low-pressure measurement with high responsiveness and stable output.

EN 837-1 Industrial Standard

Manufactured according to international standard ensuring reliability and interchangeability.

Working Principle

The bourdon tube inside the gauge deforms under pressure and transfers mechanical motion to the pointer.

Glycerin damping fluid reduces vibration, ensuring stable readings in fluctuating pressure environments.

FAQ

Why use glycerin filled pressure gauge?

It improves vibration resistance and ensures stable readings in pump and HVAC systems.

What is 40mm pressure gauge used for?

It is used in compact systems requiring small installation space and low pressure monitoring.

Is it suitable for water pump systems?

Yes, it is widely used in water pump and low pressure pipeline systems.

What does EN 837-1 mean?

It is an international standard for mechanical pressure gauges ensuring accuracy and safety.