Compact General Purpose Pressure Gauge for Light Duty Hydraulic & Pneumatic Use

The GNW 40mm Back Entry General Purpose Pressure Gauge is a compact, cost-effective gauge designed for light duty hydraulic and pneumatic applications where a small dial size and reliable indication are required. With robust construction and a clear dual-scale dial, it’s ideal for panels, tight spaces, machines and general workshop installations.

Available in a range of dual-scale bar/psi ranges from -1/0 bar compound up to 0–28 bar (0–400 psi), this gauge is supplied with a 1/8" BSPT centre back connection as standard. An optional traceable calibration certificate is available for compliance and documentation.

Key Features

• Compact 40mm Dial: Ideal for panels, tight spaces, machines and general plant use.
• General Purpose Construction: Brass connection, element and movement suited to compatible media in standard industrial environments.
• Robust Case: Black enamelled steel case for everyday durability.
• Dual Scale Dial: PSI outer scale with Bar inner scale for quick reading.
• Bottom Entry Connection: 1/8" BSPT thread as standard for straightforward installation.
• Optional Calibration: Add a traceable calibration certificate at checkout.

Technical Specifications

Applications

• Hydraulic Systems – Compact gauge for light duty equipment and local indication.
• Pneumatic Installations – Compressed air and general plant pressure indication.
• OEM & Workshop Equipment – Space-saving dial size for panels, machines and test setups.
• General Industrial Use – Everyday monitoring where brass wetted parts are suitable for the media.